banner u gage qt50u series sensors
TRANSCRIPT
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U-GAGEQT50U Series Sensors with AnalogLong-Range Ultrasonic Sensors with TEACH-Mode Programming
WARNING . . . Not To Be Used for Personnel ProtectionNever use these products as sensing devices for personnel protection. Doing so could lead to serious injury or death.These sensors do NOT include the self-checking redundant circuitry necessary to allow their use in personnel safetyapplications. A sensor failure or malfunction can cause either an energized or de-energized sensor output condition. Consultyour current Banner Safety Products catalog for safety products which meet OSHA, ANSI and IEC standards for personnelprotection.
Features Fast, easy-to-use TEACH-Mode programming; no potentiometer adjustments
Scalable output automatically distributes the output signal over the width of theprogrammed sensing window.
Minimum and Maximum window limits can be adjusted independently.
Selectable 0 to 10V dc or 4 to 20 mA output, selected via DIP-switch
Access to bank of 8 DIP switches through sealed cover for superior userfunctionality
Rugged encapsulated design for harsh environments
Unique housing design allows for multiple mounting configurations.
Choose models with integral 2 m (6.5') or 9 m (30') cable, or withMini-style or Euro-style quick-disconnect fitting
Wide operating range: -20 to +70C (-4 to +158F)
Temperature compensation
Programmable for either positive or negative output slope
Ultrasonic
Models
* NOTES: 9 m cables are available by adding suffix w/30 to the model number of a cabled sensor (e.g., QT50ULB w/30). A model with a QD connector requires a mating cable; see page 10.
Models Sensing Range Cable* Supply Voltage Output
QT50ULB
200 mm to 8 m(8" to 26')
5-wire, 2 m (6.5') cable
10 to 30V dc
Selectable:0 to 10V dc
or4 to 20 mA
QT50ULBQ 5-pin Mini-style QD
QT50ULBQ6 5-pin Euro-style QD
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U-GAGEQT50U Series Sensor Analog Output
Principles of Operation
Ultrasonic sensors emit one or multiple pulses of ultrasonic energy, which travelthrough the air at the speed of sound. A portion of this energy reflects off the target
and travels back to the sensor. The sensor measures the total time required for theenergy to reach the target and return to the sensor. The distance to the object is thencalculated using the following formula:
D = ct
2
D = distance from the sensor to the targetc = speed of sound in airt = transit time for the ultrasonic pulse
To improve accuracy, an ultrasonic sensor may average the results of several pulsesbefore outputting a new value.
Temperature EffectsThe speed of sound is dependent upon the composition, pressure and temperature ofthe gas in which it is traveling. For most ultrasonic applications, the composition andpressure of the gas are relatively fixed, while the temperature may fluctuate.
In air, the speed of sound varies with temperature according to the followingapproximation:
Cm/s = 20 273 + TC
Cm/s = speed of sound in meters per secondTC = temperature in C
Or, in English units: C ft/s = 49 460 + TF
Cft/s = speed of sound in feet per secondTF= temperature in F
The speed of sound changes roughly 1% per 6 C (10 F). QT50U series ultrasonicsensors have temperature compensation available, via the 8-pin DIP switch.Temperature compensation will reduce the error due to temperature by about 90%.
NOTE: If the sensor is measuring across a temperature gradient, the compensation willbe less effective.
Analog Output Slope
The U-GAGE QT50U sensor may be programmed for either a positive or a negativeoutput slope, depending on which conditions are taught for the Min and Max Analoglimits (see Figure 1). If the Min Analog limit is the Near Window setting and the MaxAnalog limit is the Far Window setting, then the slope will be positive. If the opposite istrue, then the slope will be negative.
0
NearLimit
FarLimit
10
Target Position
A n a
l o g
O u t p u t
( V d
c ) Positive
Slope
Voltage-Sourcing Models
4
NearLimit
FarLimit
20
Target Position
A n a
l o g
O u t p u t
( m A ) Positive
Slope
Current-Sourcing Models
Figure 1. Positive and negative output slopes
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U-GAGEQT50U Series Sensor Analo
1 2 3 4 5 6 7 8
ON DIP
1 2 3 4 5 6 7 8
ON DIP
O N
P o s
i t i o n
Figure 2. DIP switch location
* Factory default settings
Factory defaultpositions shown
Sensor Programming
Two TEACH methods may be used to program the sensor: by teaching individualminimum and maximum limits, or by using the auto-window feature to center a
sensing window around the taught position. The sensor may be programmed either viaits two push buttons, or via a remote switch. Remote programming may also be usedto disable the push buttons, preventing anyone on the production floor from adjustingany of the programming settings. To access this feature, connect the gray wire of thesensor to 0 - 2V dc, with a remote programming switch connected between them.
NOTE: The impedance of the Remote Teach input is 12 k .
Programming is accomplished by following the sequence of input pulses (seeprogramming procedures starting on page 5). The duration of each pulse(corresponding to a push button click), and the period between multiple pulses, aredefined as T:
0.04 seconds < T < 0.8 seconds
Configuration
The QT50U features an 8-pin DIP switch bank for user setup. The DIP switches arelocated behind the access cover on the back of the sensor as shown in Figure 2.A spanner tool is included with each sensor for removing the cover.
DIP Switch Settings
ON
DIP
Figure 3. Removing the access cover
Spanner toolincluded withsensor
Switch Function Settings
1 Voltage/Current Mode ON = Current mode: 4 to 20 mAOFF* = Voltage mode: 0 to 10V dc
2 Loss of EchoON* = Min-Max ModeOFF = Hold Mode
3 Min-Max
ON = Default to maximum output valueon loss of echo
OFF* = Default to minimum output valueon loss of echo
4 Teach/Enable Control ON* = Configured for remote teachOFF = Configured for enable
5and
6
Analog Voltage Output Responsefor 95% of Step Change
100 ms with 100 ms update500 ms with 100 ms update*1100 ms with 100 ms update2300 ms with 100 ms update
Switch 5OFFON*OFFON
Switch 6OFFOFF*ONON
7 Temperature Compensation ON* = EnabledOFF = Disabled
8 Factory CalibrationON = For factory calibration only; switch
should be set to OFF for useOFF* = DIP-switch settings in control
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U-GAGEQT50U Series Sensor Analog Output
DIP-Switch-Selectable Functions
Switch 1: Output Mode Select ON = 4 to 20 mA current output is enabled
OFF = 0 to 10V dc voltage output is enabled
Switch 1 configures the sensor internally to use either the current output or voltageoutput configuration.
Switch 2: Loss of Echo Mode SelectON = Min-Max ModeOFF = Hold Mode
Switch 2 determines the output response to the loss of echo. Min-Max Mode (Switch2 ON) drives the output to either the minimum value or the maximum value when theecho is lost. (Minimum or Maximum value is selected via Switch 3.)
Hold Mode (Switch 2 OFF) maintains the output at the value which was present atthe time of echo loss.
Switch 3: Min-Max DefaultON = Default to maximum output value at loss of echo (10.5V dc or 20.8 mA)OFF = Default to minimum output value at loss of echo (0V dc or 3.6 mA)
Switch 3 selects the output response to loss of echo when Min-Max Mode isselected via Switch 2. When Switch 2 is OFF, Switch 3 has no function.
Switch 4: Teach/Transmit Enable Control ON = Gray (or yellow) wire configured for remote teachOFF = Gray (or yellow) wire configured for transmit enable/disable
High (5 to 30V dc): Transmit Enabled (Power LED solid Green)Low (0 to 2V dc):Transmit Disabled (Power LED flashes at 2 Hz)
When Switch 4 is ON, the gray wire is used to teach window limits to the sensors.
When Switch 4 is OFF, the gray wire is used to enable and disable the sensors transmitburst. The sensor output will react as if a loss of echo occurred and either holdthe output or change to minimum or maximum value (depending on switch 2 and 3settings). This function may be used when multiple sensors are in close proximity,which may make them vulnerable to crosstalk interference. A PLC can be used toenable the sensors one at a time to avoid crosstalk.
Switches 5 and 6: Response Speed Adjustment
Switches 5 and 6 are used to set the speed of the output response. The four valuesfor response speed (see DIP switch settings table on page 3) relate to the number ofsensing cycles over which the output value is averaged.
Switch 7: Temperature Compensation ON = Temperature compensation enabledOFF = Temperature compensation disabled
Changes in air temperature affect the speed of sound, which in turn affects thedistance reading measured by the sensor. An increase in air temperature shifts bothsensing window limits closer to the sensor. Conversely, a decrease in air temperatureshifts both limits farther away from the sensor. This shift is approximately 3.5% ofthe limit distance for a 20 C change in temperature. With temperature compensationenabled (Switch 7 ON), the sensor will maintain the window limits to within 1.8 percentover the -20 to +70 C range.
CAUTION . . . To avoid damage to thesensor caused by staticdischarge (ESD), observe
proper ESD precautions (grounding)while adjusting the DIP switches.
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U-GAGEQT50U Series Sensor Analo
The temperature sensor in the sensors bezel cannot adapt to temperature changeas quickly as an external temperature device can. When there are fast fluctuations intemperature, it may be best to use an external temperature monitor and feed its signaland the uncompensated distance measurement into a controller and perform thecompensation calculations within the controller.
Consult the factory for details on performing temperature compensation calculations.
NOTES: If temperature compensation is enabled, exposure to direct sunlight can affect the
sensors ability to accurately compensate for changes in temperature.
With temperature compensation enabled, the temperature warmup drift upon power-up is less than 0.8% of the sensing distance. After 15 minutes, the apparent distancewill be within 0.5% of the actual distance. After 30 minutes, the apparent distance wilbe within 0.3% of the actual distance.
Switch 8: Factory Calibration ON = Factory calibration onlyOFF = Normal operation
U-GAGE
MINSIGNAL
TM
MAXPOWER
ANALOGWINDOW
LIMIT
Minimum LimitIndicator
Maximum LimitIndicator
Target SignalStrength Indicator
Sensor PowerIndicator
MINANALOG
MAX
Figure 4. Sensor features
Teaching Minimum and Maximum Limits
The Min and Max Analog limits are independent. To readjust either limit, it is necessary to follow the teach procedure for that limitonly.
Push Button Remote Line
Procedure Result Procedure0.04 sec. < T < 0.8 sec . Result
M i n A n a
l o g
L i m i t Push and hold
Min Analog
Min Analog LED turnsON Red; sensor iswaiting for OV dc or4 mA limit.
Position the target for theMin Analog limit
Single-pulse the remote line
Sensor learns the 0V dc or4 mA limit
Min Analog LED flashesRed once
Position the target forthe Min Analog limit
ClickMin Analog
Sensor learns Min limit; Min LED changes
from Red to Yellow orflashing Yellow
M a x A n a
l o g
L i m i t Push and hold
Max Analog
Max Analog LED turnsON Red; sensor iswaiting for 1OV dc or20 mA limit.
Position the target for theMax Analog limit
Double-pulse the remoteline
Sensor learns the 10V dc or20 mA limit
Max Analog LED flashesRed once
Position the target forthe Max Analog limit
ClickMax Analog
Sensor learns Max limit; Max LED changes
from Red to Yellow orflashing Yellow
T
T T
T
MAXMIN
MAXMIN
MAXMIN
MAXMIN
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U-GAGEQT50U Series Sensor Analog Output
Using the Auto-Window Feature
Teaches a sensing distance threshold centered within a fixed sensing window (a 1 m window centered on the position taught). Thisprocedure centers the analog output on the taught position at approximately 5V dc or 12 mA.
Push Button LockoutEnables or disables the keypad to prevent unauthorized personnel from adjusting the programming settings.
General Notes on Programming
1. The sensor will return to RUN mode if the limit is not registered within 120 seconds after entering TEACH Mode.
2. Press and hold the programming push button > 2 seconds (before teaching the limit) to exit PROGRAM mode without saving anychanges. The sensor will revert to the last saved program.
3. If push buttons do not respond, perform remote lockout procedure to enable push buttons.
Push Button Remote Line
Procedure Result Procedure0.04 sec. < T < 0.8 sec . Result
M i n A n a
l o g
L i m i t Push and hold
Min Analog Min Analog LED turns
ON Red
Position the target at the
location where the midpointof the window should be. Triple-pulse the remote line
Min and Max LEDs both
flash Red (0.5 second),then turn Yellow
ClickMax Analog
Max Analog LED turnsON Red (both the Minand Max Analog LEDs
should now be ON)
M a x
A n a
l o g
L i m i t
Position the target at thelocation where the midpointof the window shouldbe.
Click either pushbutton
Its LED will flash Red.
Click the otherpush button
The Red Teach LEDs willchange to Yellow andthe sensor will return toRUN mode
MAXMIN
MIN
MAXMIN
MAX
T
T T
T T
Push Button Remote Line
Procedure Result Procedure0.04 sec. < T < 0.8 sec . Result
P u s h
B u t t o n
L o c k o u t
Not available via push button Not applicable Four-pulse the remote line Push buttons are either
enabled or disabled,depending on previouscondition.
T T
T T T
T T
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U-GAGEQT50U Series Sensor Analo
Power ON/OFF LED(Green) indicates the operating status of the sensor. See Figure 5
Status Indicators
Signal LED(Red) indicates the strength and condition of the sensors incomingsignal. See Figure 5.
Output LEDs(Yellow) indicate the position of the target relative to the window limits.See Figure 5.
Min MaxMin
Power Signal Power Signal Power Signal Power Signal
Max Min Max Min Max
MinimumOperating
Range
MinimumAnalog
Setpoint
MaximumAnalog
Setpoint
MaximumOperating
Range
Target WithinLimits
Target OutsideMin Limit
Target OutsideSensing Range
Target OutsideMax Limit
T a r g e t
T a r g e t
T a r g e t
T a r g e t
Sensor
Figure 5. Status indicator conditions for each target position
Signal Status Indicates
ON Bright Good signal
ON Dim Marginal signal strength
OFF No signal is received, or Target is beyond the sensors range limitations
Output/Teach LED Indicates
ON Red (either) In Teach mode; waiting for limit(s) to be taughtMin Analog ON YellowMax Analog ON Yellow Target is within analog window limits
Min Analog ON YellowMax Analog Flashing Yellow Target is outside max. window limit
Min Analog Flashing YellowMax Analog ON Yellow Target is outside Min window limit
Min Analog OFFMax Analog OFF
No signal condition, or Outside operating limits
Power ON/OFF LED Indicates
OFF Power is OFF
Flashing @ 2Hz Transmit disabled (see page 4)
ON Solid Sensor is operating normally
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U-GAGEQT50U Series Sensor Analog Output
QT50U Response Curves
T a r g e t
R o t a t i o n
( d e g r e e s
)
-10
-20
-30
10
0
20
30
40
-40
Target Distance (m)
0 1 m(3.3')
2 m(6.6')
3 m(9.8')
4 m(13.1')
5 m(16.4')
6 m(19.6')
7 m(22.9')
8 m(26.2')
Hookups
Integral Cable Model
Shield
bk
ye
bn
bu
wh
+10 - 30V dc
Remote Teach 0 - 2V dc
4 - 20 mA or0 - 10V dc
bk
gy
bn
bu
wh
+10 - 30V dc
Remote Teach0 - 2V dc
4 - 20 mA or0 - 10V dc
Shield
T a r g e t
O f f s e t
( m m
)
Target Distance (m)
-200 mm
-400 mm
-600 mm
200 mm
400 mm
0
600 mm
800 mm
1000 mm
-800 mm
-1000 mm0 1 m
(3.3')2 m
(6.6')3 m
(9.8')4 m
(13.1')5 m
(16.4')6 m
(19.6')7 m
(22.9')8 m
(26.2')
7.87"
-7.87"
0
15.74"
-15.74"
23.61"
-23.61"
31.48"
-31.48"
-39.35"
39.35"25 mm Rod500 mm Plate
Quick-Disconnect Model(5-pin Mini-Style)
Quick-Disconnect Model(5-pin Euro-Style)
bk
gy
bn
bu
wh
+10 - 30V dc
Remote Teach 0 - 2V dc
4 - 20 mA or0 - 10V dc
Shield
QT50U Effective Beam PatternQT50U (with 500 mm Plate)
Maximum Target Rotation Angle
* It is recommended that the shield wire be connected to earth ground or DC common.
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U-GAGEQT50U Series Sensor Analo
SpecificationsSensing Range 200 mm to 8 m (8" to 26')
Supply Voltage 10 to 30V dc (10% maximum ripple); 100 mA max at 10V, 40 mA max at 30V (exclusive of load)
Ultrasonic Frequency 75 kHz burst, rep. rate 96 ms
Supply Protection Circuitry Protected against reverse polarity and transient overvoltages
Output Protection Protected against short circuit conditions
Delay at Power-up 1.5 seconds
Analog Output Configuration Voltage Sourcing: 0 to 10V dcMinimum Load Resistance = 500 ohmsMinimum Required Supply Voltage for Full 0-10V Output Span = (1000 + 13)V dc
RLOAD
Current Sourcing: 4 to 20 mAMaximum Load Resistance = 1 k or (V supply - 5) ohms, whichever is lower
0.02
Minimum required supply voltage for full 4-20 mA output span = 10V dc or [(RLOAD x 0.02) + 5]V dc,whichever is greater. 4-20 mA output calibrated at 25 C with a 250 load.
Temperature Effect Uncompensated : 0.2% of distance/CCompensated : 0.02% of distance/C
Linearity +/- 0.2% of span from 200 to 8000 mm; +/- 0.1% of span from 500 to 8000 mm (1 mm minimum)
Resolution 1.0 mm
Output Response Time 100 ms to 2300 ms. See Switches 5 and 6 in the table on page 3.
Minimum Window Size 20 mm
Adjustments Sensing window limits: TEACH-Mode programming of near and far window limits may be set using thepush buttons or remotely via TEACH input (see page 5).
Indicators Green Power On LED:Indicates power is ON (see page 7)Red Signal LED: Indicates target is within sensing range, and the condition of the received signal
(see page 7)
Teach/Output indicator (bicolor Yellow/Red): Yellow Target is within taught limitsFlashing Yellow Target is outside taught window limitsRed Sensor is in TEACH mode
Remote TEACH To Teach: Connect gray or yellow wire to 0 to +2V dc; impedance 12k (See page 4 for transmit disable function)
Construction Transducer: Ceramic/Epoxy composite Housing: ABS/PolycarbonateMembrane Switch: Polyester Lightpipes: Acrylic
Operating Conditions Temperature: -20 to +70 C (-4 to +158 F)Maximum relative humidity: 100%
Connections 2 m (6.5') or 9 m (30') shielded 5-conductor (with drain) PVC jacketed attached cable or 5-pin Euro-stylequick-disconnect or 5-pin Mini-style quick-disconnect
Environmental Rating Leakproof design is rated IEC IP67; NEMA 6P
Vibration andMechanical Shock
All models meet Mil Std. 202F requirements. Method 201A (vibration: 10 to 60Hz max., double amplitude0.06", maximum acceleration 10G). Also meets IEC 947-5-2 requirements: 30G 11 ms duration, half sinewave
Temperature Warmup Drift Less than 0.8% of sensing distance upon power-up with Temperature Compensation enabled (seeTemperature Compensation, pages 4 and 5)
Application Notes Objects passing inside the specified near limit (200 mm) may produce a false response.
Certifications
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U-GAGEQT50U Series Sensor Analog Output
Dimensions
84.2 mm(3.32")
66.0 mm(2.60")
37.0 mm(1.46")
33.0 mm (1.30")
50.8 mm(2.00")
38.1 mm (1.50")
4 x 4.4 mm( 0.17")18 mm
(0.71")
67.4 mm (2.66")
37.0 mm(1.46")
33.0 mm (1.30")
50.8 mm(2.00")
4 x 4.4 mm( 0.17")18 mm
(0.71")
67.4 mm (2.66")
Internal thread 1/2 NPSM;External thread M30 x 1.5
TemperatureSensor Location
34.2 mm(1.35")
34.2 mm(1.35")
50.8 mm(2.00")
Accessories
Cabled Models Models with5-PinMini-Style QD
Models with5-PinEuro-Style QD
Quick-Disconnect (QD) CableStyle Model Length Connector Pin-Outs
5-Pin Miniwith shield
MBCC2-506MBCC2-512MBCC2-530
2 m (6.5')4 m (12')9 m (30')
5-Pin EuroStraight
with shield
MQDEC2-506MQDEC2-515
MQDEC2-530
2 m (6.5')5 m (15')
9 m (30')
5-Pin EuroRight-anglewith shield
MQDEC2-506RAMQDEC2-515RAMQDEC2-530RA
2 m (6.5')5 m (15')9 m (30')
7/8-16UN-2B
28 mm(1.1")
61 mm max.(2.4")
M12 x 1
15 mm(0.6")
44 mm max.(1.7")
38 mm max.(1.5")
M12 x 1
15 mm(0.6")
38 mm max.(1.5")
Black Wire
Blue WireBrown Wire
Yellow Wire
White Wire
White Wire
Blue WireBlack Wire
Brown Wire
Gray Wire
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U-GAGEQT50U Series Sensor Analo
Mounting Brackets
SMB30SC 30 mm split clamp with swivel, black
reinforced thermoplastic polyester
Stainless steel hardware included
SMB30MM
30 mm, 11-gauge, stainless steel bracketwith curved mounting slots for versatilityand orientation
Clearance for M6 (1/4") hardware
50.8 mm(2.00")
58.7 mm(2.31")
66.5 mm(2.62")
30.0 mm(1.18")
30 x 1.5 mminternal thread
29.0 mm(1.14")
12.7 mm(0.50")
35.1 mm(1.38")
35.1 mm(1.38")
69.9 mm(2.75")
7.1 mm0.28 x 90 (2 Slots)
R 25.4 mm(1.00")
30.1 mm(1.19")
57.2 mm(2.25")
25.4 mm(1.00")
25.4 mm(1.00")
6.4 mm(0.25" dia.)
57.2 mm(2.25")
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U-GAGE QT50U Series Sensors Universal SuLong-Range Ultrasonic Sensors with Electromechanical Relay Output
WARNING . . .Not To Be Used for Personnel ProtectionNever use these products as sensing devices for personnel protection. Doing so could lead to serious injuryThese sensors do NOT include the self-checking redundant circuitry necessary to allow their use in personnel safety applications. A senor malfunction can cause either an energized or de-energized sensor output condition. Consult your current Banner Safety Products catasafety products which meet OSHA, ANSI and IEC standards for personnel protection.
Features Fast, easy-to-use TEACH-Mode programming; no potentiometer adjustments
SPDT electromechanical relay for high-capacity switching
Universal supply voltage: 85 to 264V ac / 24 to 250V dc
Rugged encapsulated design for harsh environments
Models available with factory-installed Teflon flange and film coating bonded ovthe transducer for protection from harsh environments. (Sensor dimensions anmounting vary somewhat from standard models; see dimensions, page 8.)
Unique housing design allows for multiple mounting configurations
Choose models with integral 2 m (6.5') or 9 m (30') cable, or withMini-style or Micro-style quick-disconnect fitting
Wide operating range of -20 to +70C (-4 to +158F)
Temperature compensation
Teflon is a registered trademark of Dupont
Ultrasonic
Models
* NOTES: 9 m cables are available by adding suffix w/30 to the model number of a cabled sensor (e.g.,QT50UVR3W w/30). A model with a QD connector requires a mating cable; see page 10.
To order a model with Teflon-protected sensor face and transducer (see page 8), add suffix -CRFV to any model number listed above(e.g., QT50UVR3W-CRFV).
Models Sensing Range Cable* Supply Voltage Operation Mode
QT50UVR3W
200 mm to 8 m(8" to 26')
5-wire, 2 m (6.5') cable
85 to 264V ac,50/60 Hz /
24 to 250V dc
Window-limit(N.O. and N.C.)
SPDTelectromechanical
relay
QT50UVR3WQ1 5-pin Micro-style QD
QT50UVR3WQ 5-pin Mini-style QD
QT50UVR3F 5-wire, 2 m (6.5') cableFill-level control(pump-in and
pump-out)QT50UVR3FQ1 5-pin Micro-style QD
QT50UVR3FQ 5-pin Mini-style QD
Standard Model
Teflon-protectedModel
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U-GAGEQT50U Series Universal Supply Voltage
OverviewUltrasonic sensors excel in position-monitoring applications and in applications involvingclear or multi-colored targets.
QT50U sensors are available in a variety of models: dc sensors with either analog or twodiscrete outputs, or universal voltage models that feature an SPDT electromechanicalrelay for switching larger loads. Programming and setup for the universal voltage modelsare accomplished using the sensors two push buttons.
Models are available with Teflon sensor face and hex nut, plus Teflon-coated transducer and special o-rings for use in harsh environments, such as fill-level monitoring in an acid-filled tank. See models table, dimensions, and installation information on page 8 for moreinformation.
Principles of OperationUltrasonic sensors emit one or multiple pulses of ultrasonic energy, which travel throughthe air at the speed of sound. A portion of this energy reflects off the target and travels
back to the sensor. The sensor measures the total time required for the energy to reachthe target and return to the sensor. The distance to the object is then calculated usingthe following formula:
D =ct
D= distance from the sensor to the targetc = speed of sound in air t = transit time for the ultrasonic pulse
To improve accuracy, an ultrasonic sensor may average the results of several pulsesbefore outputting a new value.
Temperature EffectsThe speed of sound is dependent upon the composition, pressure and temperature of the gas in which it is traveling. For most ultrasonic applications, the composition andpressure of the gas are relatively fixed, while the temperature may fluctuate.
In air, the speed of sound varies with temperature according to the followingapproximation:
In metric units:Cm/s= 0 73 + TC Or, in English units:Cft/s=49460 + TFCm/s = speed of sound in meters per secondCft/s= speed of sound in feet per secondTC = temperature in C TF= temperature in F
Temperature CompensationThe speed of sound changes roughly 1% per 6 C (10 F). QT50U series ultrasonicsensors have temperature compensation available; temperature compensation willreduce the error due to temperature by about 90%.
Changes in air temperature affect the speed of sound, which in turn affects the distancereading measured by the sensor. An increase in air temperature shifts both sensingwindow limits farther away from the sensor. Conversely, a decrease in air temperatureshifts both limits closer to the sensor. This shift is approximately 3.5% of the limitdistance for a 20 C change in temperature. With temperature compensation enabled,the sensor will maintain the window limits to within 1.8% over the entire-20 to +70 C range.
NOTES: If temperature compensation is
enabled, exposure to direct sunlightcan affect the sensors ability toaccurately compensate for changesin temperature.
If the sensor is measuring acrossa temperature gradient, thecompensation will be less effective.
With temperature compensationenabled, the temperature warmupdrift upon power-up is less than1.0% of the sensing distance. After 30 minutes, the apparent switchpointwill be within 0.5% of the actualposition. After 60 minutes, theapparent switchpoint will be within0.3% of the actual position.
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U-GAGEQT50U Series Universal Supply
Sensor ProgrammingTwo TEACH methods may be used to program the sensor, using the TEACH pusbutton:
Teach individual minimum and maximum limits (see page 5), or
Use the Auto-Window feature to center a sensing window around the taught pos(see page 6).
Sensor ConfigurationThe sensor can be configured for one of three output response times and to enabldisable temperature compensation. Both are accomplished using the sensors Spepush button, using the procedures described below.
Figure 1. Sensor features
Output ONIndicator
Output ResponseTime Indicator
TEACHPush Button
SpeedPush Button
Sensor PowerIndicator
Target SignalStrength Indicator
S e
l e c t
O u t p u t
R e s p o n s e
T i m e
Push Button Procedure0.04 click 0.8 sec. Result
RUN Mode No action required
Response LED indicates the currentOutput Response Time setting: ON Red Slow Response (1600 ms) ON Yellow Med. Response (400 ms)* OFF Fast Response (100 ms)
SelectResponse
Time
Click the Speedpush button untilthe desired OutputResponse Timeis selected
Response LED cycles throughONRed, ON Yellow,and OFFto indicateselected Output Response Time(see above)
No further action required; sensor stor
selection and remains in RUN mode
E n a
b l e o r
D i s a
b l e T e m p e r a t u r e
C o m p e n s a t i o n
EnterProgramming
Mode
Push and hold theSpeed push button for 10 seconds
Response LED flashes: Flashing Yellow Temperature
Compensation is enabled* Flashing Red Temperature
Compensation is disabled
Enable/Disable
Click the Speedpush button totoggle betweenselections
Response LED flashes: Flashing Yellow Temperature
Compensation is enabled* Flashing Red Temperature
Compensation is disabled
Return toRUN Mode
Push and hold theSpeed push buttonfor 10 seconds
Sensor stores selection Sensor returns to RUN mode Response LED returns to a solid color
or OFF to indicate current OutputResponse Time setting
*Factory default settings
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U-GAGEQT50U Series Universal Supply Voltage
Status IndicatorsPower ON/OFF LED(Green) ON when sensor power is ON.Signal LED(Red) indicates incoming signal strength and condition.
*If no signal is received, the output will react as if the target is beyond the far limit. The normallyopen output will be OFF, and the normally closed output will be ON.
Output LED(Yellow or Red) indicates the target position relative to the window limits, or TEACH mode status.
Response LED(Yellow or Red) indicates sensor output response time selection.
Output LEDStatus Indicates
RUN Mode Window-Limit Sensor Models Fil l-Level Control Sensor Models
ON Yellow Target is within window limits Level has dropped below far limit
OFF Target is outside window limits Level has risen above near limit
TEACH Mode
ON Red Waiting for first limit to be taught
Flashing Red Waiting for second limit to be taught
Response LED Status Indicates
ON Red Slow response (1600 ms)
ON Yellow Medium response (400 ms)
OFF Fast response (100 ms)
Signal LED Status IndicatesON Bright Good signal
ON Dim Marginal signal strength
OFF No signal is received*, or Target is beyond the sensors range limitations
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U-GAGEQT50U Series Universal Supply
Pump-In Application(using Normally Open Output)
Pump-Out Application(using Normally Closed Output)
Initial Tank Level -Outputs are INACTIVE
Level Drops Below Far Limit -Outputs ACTIVATE
Level Rises Above Near Limit -Outputs DEACTIVATE
1
Flow Flow
Initial Tank Level -Outputs are INACTIVE
Level Rises Above Near Limit -Outputs ACTIVATE
Level Drops Below Far Limit -Outputs DEACTIVATE
Pump ControlPump Control
Level Rises Above Near Limit -Output DEACTIVATES
Level Rises Above Near Limit -Outputs DEACTIVATE
Initial Tank Level -Output is INACTIVE
Level Rises Above Near Limit -Outputs DEACTIVATE
Level Drops Below Far Limit -Output ACTIVATES
Initial Tank Level -Outputs are INACTIVE
Level Drops Below Far Limit -Outputs ACTIVATE
Level Rises Above Near Limit -Outputs DEACTIVATE
Level Rises Above Near Limit -Output ACTIVATES
Level Rises Above Near Limit -Outputs DEACTIVATE
Initial Tank Level -Output is ACTIVE
Level Rises Above Near Limit -Outputs DEACTIVATE
Level Drops Below Far Limit -Output DEACTIVATES
Figure 3. Fill-Level Control
TheFill-Level Controlmode provides theswitching logic required for fill-level, webtensioning control, and similar applicationIn this mode, the output energizes whenthe target reaches the first sensing windowlimit, and stays energized until the targetmoves to the second limit. The outputthen de-energizes at the second limit anddoes not re-energize until the target movesagain, to the first limit.
Teaching Minimum and Maximum LimiTeach procedures are identical for window-limit and fill-level control models. Wimodels function as shown in Figure 2, and fill-level control models function as sh
Figure 3. To readjust minimum or maximum limits, repeat the teach procedure.
Output OFF Output ON Output OFF
MinimumLimit
MaximumLimit
Output ON Output ONOutput OFF
MinimumLimit
MaximumLimit
Normally Closed Output
Normally Open Output
Figure . Teaching independent minimumand maximum limits windowlimit models
Push Button Procedure0.04 click 0.8 sec. Result
P r o g r a m m
i n g
M o
d e Push and hold
TEACH push buttonfor 2 seconds
Output LED turns ON Red Sensor waits for first limit
T e a c
h
F i r s t
L i m i t Position the target
for the first limit Click the TEACH
push button
Sensor learns the first limit position Output LED changes to Flashing Red
T e a c
h
S e c o n
d L i m i t
Position the targetfor the second limit
Click the TEACHpush button
Sensor stores both limits Output LED turns ON Yellow Sensor returns to RUN mode
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U-GAGEQT50U Series Universal Supply Voltage
Output OFF Output ON Output OFF
Position+ 100 mm
Position- 100 mm
Taught Position
Output ON Output ONOutput OFF
Position+ 100 mm
Position- 100 mm
Taught Position
Normally Closed Output
Normally Open Output
Figure 4. Using the Auto-Window featfor programming
Output OFF
Taught Position
(e.g., wall or floor)Position-100 mm
Position+100 mm
Sensor Output
ON
Sensor Output
OFF
Any object in this area will switch the output,whether or not the object returns a good signal to the sensor.
Sensing Range
200 mm
Output ON
Figure 5. An application for Auto-Window feature (retroreflective mode)
Push Button Procedure0.04 click 0.8 sec. Result
P r o g r a m m
i n g
M o
d e Push and hold the
TEACH push buttonfor 2 seconds
Output LED turns ON Red Sensor waits for the first limit
T e a c
h L
i m i t Position the target at the
desired midpoint for thesensing window
Click the TEACHpush button
Output LED changes to flashing Red
R e - T
e a c
h
L i m i t Without moving the
target, click thepush button again
Sensor stores sensing window Output LED turns ON Yellow Sensor returns to RUN mode
Teaching Limits Using the Auto-Window FeatureTeach procedures are identical for window-limit and fill-level control models. Teachingthe same limit twice automatically centers a 200 mm window on the taught position. Toreadjust the sensing midpoint, repeat the teach procedure.
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U-GAGEQT50U Series Universal Supply
SpecificationsSensing Range 200 mm to 8 m (8" to 26')Supply Voltage Universal voltage:85 to 264V ac, 50/60 Hz / 24 to 250V dc (1.5 watts maximum, exclusive of load)
Supply Protection CircuitryProtected against transient over voltages. DC hookup is without regard to polarity.Ultrasonic Frequency 75 kHz burst, rep. rate 96 msDelay at Power-up 1.5 secondsOutput Configuration SPDT (Single-Pole, Double-Throw) electromechanical relay outputOutput Ratings Max. switching power (resistive load):2000 VA, 240 W (1000VA, 120W for sensors with Micro-style Q
Max. switching voltage (resistive load):250V ac, 125V dcMax. switching current (resistive load):8A @ 250V ac, 8A @ 30V dc derated to 200 mA @ 125V dc
(4A max. for sensors with Micro-style QD)Min. voltage and current:5V dc, 10 mAMechanical life of relay:50,000,000 operationsElectrical life of relay at full resistive load:100,000 operationsNOTE: Transient suppression is recommended when switching inductive loads.
Output Response Time Selectable 1600 ms, 400 ms or 100 ms; see page 3.Temperature Effect Uncompensated:0.2% of distance/C
Compensated:0.02% of distance/CHysteresis Window-Limit Sensor Models:5 mm
Fill-Level Control Sensor Models:0 mmRepeatability 1.0 mmMinimum Window Size 20 mmAdjustments Sensing limits:TEACH-Mode programming of near and far limits (see pages 5 and 6).
Sensor configuration:Output response time and temperature compensation mode (see page 3).Factory default settings:400 ms output response; Temperature compensation enabled
Indicators Green Power On LED:Indicates power is ON.Red Signal LED:Indicates target is within sensing range, and the condition of the received signal.Output indicator (bicolor Yellow/Red):Indicates output status or TEACH mode.Response indicator (bicolor Yellow/Red):Indicates output response time selection.See page 4 for more information.
Construction Transducer:Ceramic/Epoxy compositeHousing:ABSMembrane Switch:Polyester CRFV models:Teflon face, flange, hex nut and transducer coating; Viton o-ring
Operating Conditions Temperature:-20 to +70 C (-4 to +158 F)Maximum relative humidity:100%
Connections 2 m (6.5') or 9 m (30') shielded 5-conductor (with drain) PVC jacketed attached cable or 5-pin Micro-stdisconnect or 5-pin Mini-style quick-disconnect fitting
Environmental Rating Leakproof design is rated IEC IP67; NEMA 6PVibration andMechanical Shock
All models meet Mil Std. 202F requirements. Method 201A (vibration: 10 to 60 Hz max., double ampli0.06", maximum acceleration 10G). Also meets IEC 947-5-2 requirements: 30G 11 ms duration, half si
Temperature Warmup DriftLess than 1.0% of sensing distance upon power-up with Temperature Compensation enabled (seeTemperature Effects, page 2)
Application Notes Objects passing inside the specified minimum sensing distance (200 mm) may produce a false responseCertifications
Viton is a registered trademark of Dupont Dow Elastomers
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U-GAGEQT50U Series Universal Supply Voltage
84.2 mm(3.32")
66.0 mm(2.60")
37.0 mm(1.46")
33.0 mm (1.30")
50.8 mm(2.00")
38.1 mm (1.50") 4 x 4.4 mm( 0.17")18 mm
(0.71")
67.4 mm (2.66")
84.2 mm(3.32")
66.0 mm(2.60")
37.0 mm(1.46")
33.0 mm (1.30")
50.8 mm(2.00")
4 x 4.4 mm( 0.17")18 mm(0.71")
67.4 mm (2.66")
Internal thread 1/2 NPSM;External thread M30 x 1.5
TemperatureSensor Location
34.2 mm(1.35")
34.2 mm(1.35")
50.8 mm(2.00")
Cabled Models
Models with 5-PinMini-Style QD Models with 5-PinEuro-Style QD
Dimensions
Installation Chemical-Resistant ModelsThe sensor may be threaded directly into the side of a tank (seedimensions for hole diameter and thread specifications), or into a
non-threaded hole, using the included threaded nut.For a non-threaded hole, install an o-ring onto the flange, andinsert the flange completely into the hole until the sensor frontsurface is against the tanks exterior surface. Place the other o-ring into the groove on the Teflon nut, and thread the nut onto theflange (see Figure 6). Tighten enough to eliminate gaps betweenthe flange and the tank surface. This will ensure that the o-ringsare fully compressed.
Figure 6. Installing a chemical-resistant sensor model into
threaded hole in a tank
QT50U Chemical-Resistant Sensor
Tank Section
O-Ring
O-RingThreaded TeflonNut (included)
Recommendedthrough-hole size:56.5 0.5 mm
73.1 mm(2.88")
35.0 mm(1.38")
10.0 mm(0.39")
67.0 mm(2.64")
74.1 mm(2.92")
66.0 mm(2.60")
M56 x 1.5
Chemical- Resistant Models
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U-GAGEQT50U Series Universal Supply
Performance Curves
T a r g e
t R o
t a t i o n
( d e g r e e s
)
-10
-20
-30
10
0
20
30
40
-40
Target Distance (m)
0 1 m(3.3')
2 m(6.6')
3 m(9.8')
4 m(13.1')
5 m(16.4')
6 m(19.6')
7 m(22.9')
8 m(26.2')
Hookups
E f f e c
t i v e
B e a m
W i d t h
Target Distance
-200 mm
-400 mm
-600 mm
200 mm
400 mm
0
600 mm
800 mm
1000 mm
-800 mm
-1000 mm0 1 m
(3.3')2 m(6.6')
3 m(9.8')
4 m(13.1')
5 m(16.4')
6 m(19.6')
7 m(22.9')
8 m(26.2')
8"
-8"
0
16"
-16"
24"
-24"
31"
-31"
-40"
40"25 mm Rod
500 mm Plate
Loadbkye
bnbu
wh
85-264V ac, 50/60 Hz24-250V dc**
shield*
Output Current8A Max. bk
ye
bnbu
wh
shield*
Output Current(4A or 8A Max.)***Load
85-264V ac, 50/60 Hz24-250V dc**
Cabled Models QD Models
Normally Closed/Pump-Out
bkye
bnbu
wh
shield*
Output Current8A Max.
Load
85-264V ac, 50/60 Hz24-250V dc**
bkye
bnbu
wh
shield*
Load
Output Current(4A or 8A Max.)***
85-264V ac, 50/60 Hz24-250V dc**
*It is recommended that the shield wire be connected to earth ground.**DC hookup is without regard to polarity.***4A max. for sensors with Micro-style QD; 8A max. for sensors with Mini-style QD.
Normally Open/Pump-In
Normally Closed/Pump-Out
Normally Open/Pump-In
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U-GAGEQT50U Series Universal Supply Voltage
Accessories
Quick-Disconnect (QD) Cable
Style Model Length Connector Pinouts
5-PinMini-stylewith shield
MBCC -506MBCC -51MBCC -530
2 m (6.5')4 m (12')9 m (30')
5-PinMicro-style
Straightwith shield
MQVR3S-506MQVR3S-515MQVR3S-530
2 m (6.5')5 m (15')9 m (30')
5-PinMicro-styleRight-anglewith shield
MQVR3S-506RAMQVR3S-515RAMQVR3S-530RA
2 m (6.5')5 m (15')9 m (30')
7/8-16UN-2B
28 mm(1.1")
61 mm max.(2.4")
47.0 mm Max(1.7" Max)
15.2 mm( 0.6")
15.2 mm( 0.6")
38.0 mm Max(1.5" Max)
38.0 mm Max(1.5" Max)
Black Wire
Blue WireBrown Wire
Yellow Wire
White Wire
White
Brown
Black
Blue
Yellow
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U-GAGEQT50U Series Universal Supply
Mounting Brackets
SMB30SC 30 mm split clamp with swivel, black
reinforced thermoplastic polyester
Stainless steel hardware included
SMB30MM 30 mm, 11-gauge, stainless steel bracket wi
curved mounting slots for versatile orientati
Clearance for M6 (1/4") hardware
SAFQT50U PVC mounting flange mounts to the front of a QT50U sensor (not for use with chemical-resistant models). Adapts sensor to thread into standard 2" NPT female threads.NOTE: QT50U sensors are not designed for use in pressurized environments.
50.8 mm(2.00")
58.7 mm(2.31")
66.5 mm(2.62")
30.0 mm(1.18")
30 x 1.5 mminternal thread
29.0 mm(1.14")
12.7 mm(0.50")
35.1 mm(1.38")
35.1 mm(1.38")
69.9 mm(2.75")
7.1 mm0.28 x 90 (2 Slots)
R 25.4 mm(1.00")
30.1 mm(1.19")
57.2 mm(2.25")
25.4 mm(1.00")
25.4 mm(1.00")
6.4 mm(0.25" dia.)
57.2 mm(2.25")
1. Place o-ring in flange groove.
2. Assemble sensor onto threaded flange as shown, using the M4 screws supplied withQT50U sensor.
3. Using the supplied hex wrench, torque screws to approximately 10 in/lbs (1.1 kg/m
4. Mount sensor/flange assembly into 2" NPT fitting.
..
..
25.0 mm(0.98")
10.0 mm(0.39")
65.0 mm(2.56")
64.0 mm(2.52")
2" NPT Threads
Shown mounted onsensor; sensor notincluded
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SAFQT50U Mounting Flange
For use with QT50U sensors
Features
PVC mounting flange mounts to the front of a QT50U sensor; adapts sensor to threadinto standard 2" NPT female threads.
NOTE: QT50U sensors are not designed for use in pressurized environments.
Installation
1. Place o-ring in flange groove.2. Assemble sensor onto threaded flange as shown, using the M4 screws supplied
with the QT50U sensor.3. Using the supplied hex wrench, torque screws to approximately 10 in/lbs.
4. Mount sensor/flange assembly into 2" NPT fitting.
25.0 mm(0.98")
10.0 mm(0.39")
65.0 mm(2.56")
64.0 mm(2.52")
2" NPT Threads
Dimensions
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U-GAGE QT50U Series Sensors with Dual-DiscreLong-Range Ultrasonic Sensors with TEACH-Mode Programming
WARNING . . . Not To Be Used for Personnel ProtectionNever use these products as sensing devices for personnel protection. Doing so could lead to serious injury or death.These sensors do NOT include the self-checking redundant circuitry necessary to allow their use in personnel safetyapplications. A sensor failure or malfunction can cause either an energized or de-energized sensor output condition. Consultyour current Banner Safety Products catalog for safety products which meet OSHA, ANSI and IEC standards for personnelprotection.
Features Fast, easy-to-use TEACH-Mode programming; no potentiometer adjustments
Selectable dual NPN or PNP outputs via DIP switch
Access to bank of 8 DIP switches through sealed cover for superior userfunctionality
Rugged encapsulated design for harsh environments
Unique housing design allows for multiple mounting configurations
Choose models with integral 2 m (6.5') or 9 m (30') cable, or withMini-style or Euro-style quick-disconnect fitting
Wide operating range of -20 to +70C (-4 to +158F)
Temperature compensation
Ultrasonic
Models
* NOTES: 9 m cables are available by adding suffix w/30 to the model number of a cabled sensor (e.g., QT50UDB w/30). A model with a QD connector requires a mating cable; see page 11.
Models Sensing Range Cable* Supply Voltage Output
QT50UDB
200 mm to 8 m(8" to 26')
5-wire, 2 m (6.5') cable
10 to 30V dc Dual NPN or PNPselectableQT50UDBQ6 5-pin Euro-style QD
QT50UDBQ 5-pin Mini-style QD
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U-GAGEQT50U Series Sensor Discrete Output
Principles of Operation
Ultrasonic sensors emit one or multiple pulses of ultrasonic energy, which travelthrough the air at the speed of sound. A portion of this energy reflects off the target
and travels back to the sensor. The sensor measures the total time required for theenergy to reach the target and return to the sensor. The distance to the object is thencalculated using the following formula:
D = ct
2
D = distance from the sensor to the targetc = speed of sound in airt = transit time for the ultrasonic pulse
To improve accuracy, an ultrasonic sensor may average the results of several pulsesbefore outputting a new value.
Temperature Effects
The speed of sound is dependent upon the composition, pressure and temperature ofthe gas in which it is traveling. For most ultrasonic applications, the composition andpressure of the gas are relatively fixed, while the temperature may fluctuate.
In air, the speed of sound varies with temperature according to the followingapproximation:
Cm/s = 20 273 + TCCm/s = speed of sound in meters per secondTC = temperature in C
Or, in English units:
C ft/s = 49 460 + TF
Cft/s = speed of sound in feet per secondTF= temperature in F
The speed of sound changes roughly 1% per 6 C (10 F). QT50U series ultrasonicsensors have temperature compensation available, via the 8-pin DIP switch.Temperature compensation will reduce the error due to temperature by about 90%.
NOTE: If the sensor is measuring across a temperature gradient, the compensation willbe less effective.
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U-GAGEQT50U Series Sensor Discret
1 2 3 4 5 6 7 8
ON DIP
1 2 3 4 5 6 7 8
ON DIP
O N
P o s
i t i o n
Figure 2. DIP switch location
* Factory default settings
Factory defaultpositions shown
Sensor Programming
Three TEACH methods may be used to program the sensor: Teach individual minimum and maximum limits,
Use Auto-Window feature to center a sensing window around the taught position, or Simultaneously use Auto-Window and position a threshold for background
suppression at the taught position.
The sensor may be programmed either via its two push buttons, or via a remoteswitch. Remote programming also may be used to disable the push buttons,preventing unauthorized personnel from adjusting the programming settings. Toaccess this feature, connect the gray wire of the sensor to 0 - 2V dc, with a remoteprogramming switch between the sensor and the voltage.
NOTE: The impedance of the Remote Teach input is 12 k .
Programming is accomplished by following the sequence of input pulses (seeprogramming procedures starting on page 5). The duration of each pulse
(corresponding to a push button click), and the period between multiple pulses, aredefined as T:0.04 seconds < T < 0.8 seconds
Configuration
The QT50U features an 8-pin DIP switch bank for user setup. The DIP switches arelocated behind the access cover on the back of the sensor as shown in Figure 2.A spanner tool is included with each sensor for removing the cover.
ON
DIP
Figure 3. Removing the access cover
Spanner toolincluded withsensor
Switch Function Settings
1 PNP or NPN SelectON = Both outputs set for PNPOFF* = Both outputs set for NPN
2 Window/Fill Level ON = High/Low (fill level control)OFF* = ON/OFF (window)
3 Output Operation
Window selected on Switch 2:ON* = Normally openOFF = Normally closedFill Level selected on Switch 2:ON = Pump-inOFF = Pump-out
4 Teach/Disable Control ON* = Configured for remote teachOFF = Configured for transmit disable
5and
6
Response (100 ms/cycle)
1 cycle4 cycles*8 cycles16 cycles
Switch 5
OFFON*OFFON
Switch 6
OFFOFF*ONON
7 Temperature Compensation ON* = EnabledOFF = Disabled
8 Factory CalibrationON = For factory calibration only; switch
should be set to OFF for useOFF* = DIP-switch settings in control
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U-GAGEQT50U Series Sensor Discrete Output
DIP-Switch-Selectable Functions
Switch 1: Output Mode Select ON = Both outputs set to PNP (current sourcing)
OFF = Both outputs set to NPN (current sinking)
This switch configures the sensor internally to use either the PNP or NPN outputconfiguration.
Switch 2: High/Low Level Control ON = High/Low (fill level control)OFF = ON/OFF (window)
This switch determines whether the sensor is in fill level control mode or normalON/OFF mode. The fill level control is shown in Figure 3. When switch 2 is ON, theswitch 3 setting will determine whether the sensor is set up for pump-in or pump-outoperation.
In ON/OFF mode, the sensor is either ON or OFF when the target is within the windowlimits and opposite when outside of the window limit.
Switch 3: ON/OFF Mode ON = normally open (output is energized when the target is within window)OFF = normally closed (output is energized when the target is outside window)
Switch 4: Teach/Transmit Enable Control ON = Gray (or yellow) wire configured for remote teachOFF = Gray (or yellow) wire configured for transmit disable
High (5 to 30V dc or open): Transmit Enabled (Power LED solid Green)Low (0 to 2V dc):Transmit Disabled (Power LED flashes at 2 Hz)
When switch 4 is ON, the gray or yellow wire is used to teach the sensors window
limits. When switch 4 is OFF, the gray or yellow wire is used to enable and disablethe sensors transmit burst. This function may be used when multiple sensors areoperating in close proximity and may be vulnerable to cross-talk interference. A PLCcan be used to enable the sensors one at a time to avoid cross-talk.
When disabled, the sensor outputs will react as if no target is being sensed.
Switches 5-6: Response Speed Adjustment The speed of the output response is set using DIP-switch positions 5 and 6 (see tableon page 3). There are four values for response speed, which relate to the number ofsensing cycles over which the output value is averaged.
Switch 7: Temperature Compensation ON = Temperature compensation is enabledOFF = Temperature compensation is disabled
Changes in air temperature affect the speed of sound, which in turn affects thedistance reading measured by the sensor. An increase in air temperature shifts bothsensing window limits closer to the sensor. Conversely, a decrease in air temperatureshifts both limits farther away from the sensor. This shift is approximately 3.5% ofthe limit distance for a 20 C change in temperature. With temperature compensationenabled (Switch 7 ON), the sensor will maintain the window limits to within 1.8% overthe -20 to +70 C range.
CAUTION . . . To avoid damage to thesensor caused by static
discharge (ESD), observeproper ESD precautions (grounding)while adjusting the DIP switches.
Pump-In Application(switch #3 ON)
Pump-Out Application(switch #3 OFF)
Initial Tank Level -Outputs are INACTIVE
Level Drops Below Far Limit -Outputs ACTIVATE
Level Rises Above Near Limit -Outputs DEACTIVATE
1
Flow
Flow
Initial Tank Level -Outputs are INACTIVE
Level Rises Above Near Limit -Outputs ACTIVATE
Level Drops Below Far Limit -Outputs DEACTIVATE
Pump Control
Pump Control
Figure 3. High/Low Level Control(switch #2 ON)
The HIGH/LOWmode (switch #2 ON) providesthe switching logic required for fill-level, webtensioning control, and similar applications.In the HIGH/LOW mode, the output energizeswhen the target reaches the first sensingwindow limit, and stays energized until thetarget moves to the second limit. The outputthen de-energizes at the second limit and doesnot re-energize until the target moves, again, tothe first limit.
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U-GAGEQT50U Series Sensor Discret
Power ON/OFF LED(Green) indicates the operating status of the sensor.
NOTES: If temperature compensation is enabled, exposure to direct sunlight can affect the
sensors ability to accurately compensate for changes in temperature.
With temperature compensation enabled, the temperature warmup drift upon
power-up is less than 0.8% of the sensing distance. After 15 minutes, the apparentswitchpoint will be within 0.5% of the actual position. After 30 minutes, the apparentswitchpoint will be within 0.3% of the actual position.
Switch 8: Factory Calibration ON = Factory calibration onlyOFF = Normal operation
U-GAGE
OUTPUT 1
D
TM
OUTPUT 2
D
SIGNALPOWER
Figure 4. Sensor features
Status Indicators
Signal LED(Red) indicates the strength and condition of the sensors incomingsignal.
Output LEDs(Yellow or Red) indicate the position of the target, relative to thewindow limits.
Signal LED Status Indicates
ON Bright Good signal
ON Dim Marginal signal strength
OFF No signal is received*, or Target is beyond the sensors range limitations
Output/Teach LED Indicates
ON Red (Solid) In Teach mode; waiting for first limit to be taught
ON Red (Flashing) In Teach mode; waiting for second limit to be taught
ON Yellow Target is within window limits (normally open mode)
OFF Target is outside window limits (normally open mode)
*If no signal is received, the output will react as if the target is beyond the far limit. In normally openmode, the outputs will be OFF. In normally closed mode, the outputs will be ON.
Power ON/OFF LED IndicatesOFF Power is OFF
ON Solid Sensor is operating normally
Flashing @ 4 Hz Output is overloaded (RUN mode)
Flashing @ 2 Hz Transmit disabled (see page 4)
Output 1Indicator
Output 2Indicator
Output 1Push Button
Output 2Push Button
Sensor PowerIndicator
Target SignalStrength Indicator
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U-GAGEQT50U Series Sensor Discrete Output
Teaching Minimum and Maximum Limits
The outputs are independent. To readjust minimum or maximum limits for eitheroutput, follow the teach procedure for that output only.
Repeat the teach procedure for the other output, if used.
Output OFF Output ON Output OFF
MinimumLimit
MaximumLimit
Output ON Output ONOutput OFF
MinimumLimit
MaximumLimit
Normally Closed Operation
Normally Open Operation
Figure 4. Teaching independent minimumand maximum limits
ProcedureResult
Push Button Remote Wire0.04 sec. < T < 0.8 sec .
P r o g r a m m
i n g
M o
d e Push and hold
push button forselected output
No action required Corresponding output LED turns ON Red Sensor waits for first limit
T e a c h
F i r s t
L i m i t Position the target for
the first limit Click the same
push button
Position the target for the first limit
Sensor learns the first limit position LED for selected output changes to
Flashing Red
Output 1 Single-pulse the
remote line
Output 2 Double-pulse the
remote line
T e a c h
S e c o n
d L i m i t
Position the target forthe second limit
Click the samepush button
Position the target for the second limit Single-pulse the remote line
Sensor stores both limits LED for selected output turns ON Yellow
D D
D D
D D T
T T
T
T
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U-GAGEQT50U Series Sensor Discret
Output OFF Output ON Output OFF
Position+ 100 mm
Position- 100 mm
Taught Position
Output ON Output ONOutput OFF
Position+ 100 mm
Position- 100 mm
Taught Position
Normally Closed Operation
Normally Open Operation
Figure 5. Using the Auto-Window featurefor programming each output
Output OFF Output ON
Taught Position(e.g., wall or floor)
NearRange
Position-100 mm
Position+100 mm
SensorOutput
ON
SensorOutput
OFF
Any object in this area will switch the output,whether or not the object returns a good signal to the sensor.
Sensing Distance
Figure 6. An application for Auto-Window feature (retroreflective mode)
ProcedureResult
Push ButtonRemote Wire
0.04 sec. < T < 0.8 sec .
P r o g r a m m
i n g
M o
d e Push and hold the push
button for theselected output
No action required LED for the selected output turns ON Red Sensor waits for the first limit
T e a c h
L i m i t Position the sensor for the
midpoint of the sensingwindow
Click the same push
button
Position the target for the midpoint of thesensing window
LED for the selected output flashes RedOutput 1
Single-pulse theremote line
Output 2 Double-pulse the
remote line
R e - T
e a c h
L i m i t Without moving the
target, click thebutton again
Without moving the target,single-pulse the remoteline again
LED for the selected output turnsON Yellow
Sensor stores sensing window for theselected output
Sensor returns to RUN mode
D D
D D
D D
T
T T
T
T
Teaching Limits Using the Auto-Window Feature
Teaching the same limit twice for the same output automatically centers a 200 mmwindow on the taught position.
The outputs are independent. To readjust a midpoint for either output, follow the teachprocedure for that output only. Repeat the teach procedure for the other output, ifused.
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U-GAGEQT50U Series Sensor Discrete Output
Simultaneous Auto-Window/Background Suppression
Output 1: Auto-Window (automatically centers a 200 mm window on taught position)Output 2: Background Suppression (sensor ignores objects beyond the taught
position)Taught position is identical for both outputs.
To adjust the Background Suppression limit (different from the limit for Output 1),teach a new limit to Output 2 using the Auto-Window procedure (page 7). Output 2will remain in Background Suppression mode until it is taught new min/max limits(page 6).
Output 1 Output OFF Output ON Output OFF
Output ON Output OFFOutput 2
Position+100 mm
Position- 100 mm
Taught Position
Figure 7. Using simultaneous Auto-Window/ background suppression (normallyopen illustrated)
Push Button Lockout
Enables or disables the keypad to prevent unauthorized personnel from adjusting the programming settings.
Push Button Remote Line
Procedure Result Procedure0.04 sec. < T < 0.8 sec . Result
P u s h
B u t t o n
L o c k o u t
Not available via push button Not applicable Four-pulse the remote line Push buttons are either
enabled or disabled,depending on previouscondition.
T T
T T T
T T
ProcedureResult
Push Button Remote Wire0.04 sec. < T < 0.8 sec .
P r o g r a m m
i n g
M o
d e Push and hold
Output 1 pushbutton
No action required Output 1 LED turns ON Red
ClickOutput 2 push button No action required
Output 2 LED turns ON Red (both OutputLEDs should be ON Red)
T e a c h
L i m i t s t o
B o t h
O u t p u t s
S i m u
l t a n
e o u s l y
Position the target at thesensing window midpoint/ suppression limit
Click eitherpush button
Position the target at the sensing windowmidpoint/suppression limit
Triple-pulse the remote line Both output LEDs Flash Red
Click eitherpush button again Single-pulse the remote line
Both output LEDs turn ON Yellow Sensor stores sensing window on Output 1
and suppression limit on Output 2 Sensor returns to RUN mode
T
T T
T T
T
D D
D D
D D
or
D D
or
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U-GAGEQT50U Series Sensor Discret
SpecificationsSensing Range 200 mm to 8 m (8" to 26')
Supply Voltage 10 to 30V dc (10% maximum ripple); 100 mA max at 10V, 40 mA max at 30V (exclusive of load)
Ultrasonic Frequency 75 kHz burst, rep. rate 96 msSupply Protection Circuitry Protected against reverse polarity and transient overvoltages
Output Protection Protected against short circuit conditions
Delay at Power-up 1.5 seconds
Discrete Output Configuration PNP or NPN, selectable via DIP switch
Output Ratings 150 mA maximumOff-state leakage current: < 5 AOutput Saturation NPN: < 200 mV @ 10 mA and < 650 mV @ 150 mAOutput Saturation PNP: < 1.2V @ 10 mA and < 1.65V @ 150 mA
Output Response Time 100 ms to 1600 ms. See Switches 5 and 6 in the table on page 3.
Temperature Effect Uncompensated : 0.2% of distance/C
Compensated : 0.02% of distance/CHysteresis 5 mm
Repeatability 1.0 mm
Minimum Window Size 20 mm
Adjustments Sensing window limits: TEACH-Mode programming of near and far window limits may be set using thepush buttons or remotely via TEACH input (see page 6).
Indicators Green Power On LED:Indicates power is ON (see page 5)Red Signal LED: Indicates target is within sensing range, and the condition of the received signal
(see page 5)Teach/Output indicator (bicolor Yellow/Red): Yellow Target is within taught limits
OFF Target is outside taught window limitsRed Sensor is in TEACH mode
Remote TEACH To Teach: Connect gray or yellow wire to 0 to +2V dc; impedance 12k (See page 4 for transmit disable function)
Construction Transducer: Ceramic/Epoxy composite Housing: ABS/PolycarbonateMembrane Switch: Polyester Lightpipes: Acrylic
Operating Conditions Temperature: -20 to +70 C (-4 to +158 F)Maximum relative humidity: 100%
Connections 2 m (6.5') or 9 m (30') shielded 5-conductor (with drain) PVC jacketed attached cable or 5-pin Euro-stylequick-disconnect or 5-pin Mini-style quick-disconnect
Environmental Rating Leakproof design is rated IEC IP67; NEMA 6P
Vibration andMechanical Shock
All models meet Mil Std. 202F requirements. Method 201A (vibration: 10 to 60Hz max., double amplitude0.06", maximum acceleration 10G). Also meets IEC 947-5-2 requirements: 30G 11 ms duration, half sinewave
Temperature Warmup Drift Less than 0.8% of sensing distance upon power-up with Temperature Compensation enabled (seeTemperature Compensation, pages 4 and 5)
Application Notes Objects passing inside the specified near limit (200 mm) may produce a false response.
Certifications
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U-GAGEQT50U Series Sensor Discrete Output
84.2 mm(3.32")
66.0 mm(2.60")
37.0 mm(1.46")
33.0 mm (1.30")
50.8 mm(2.00")
38.1 mm (1.50")
4 x 4.4 mm( 0.17")18 mm
(0.71")
67.4 mm (2.66")
37.0 mm(1.46")
33.0 mm (1.30")
50.8 mm(2.00")
4 x 4.4 mm( 0.17")18 mm
(0.71")
67.4 mm (2.66")
Internal thread 1/2 NPSM;External thread M30 x 1.5
TemperatureSensor Location
34.2 mm(1.35")
34.2 mm(1.35")
50.8 mm(2.00")
Cabled Models Models with5-Pin
Mini-Style QD
Models with5-Pin
Euro-Style QD
Performance Curves
T a r g e t
R o t a t i o n
( d e g r e e s
)
-10
-20
-30
10
0
20
30
40
-40
Target Distance (m)
0 1 m(3.3')
2 m(6.6')
3 m(9.8')
4 m(13.1')
5 m(16.4')
6 m(19.6')
7 m(22.9')
8 m(26.2')
Hookups
T a r g e t
O f f s e t
( m m
)
Target Distance (m)
-200 mm
-400 mm
-600 mm
200 mm
400 mm
0
600 mm
800 mm
1000 mm
-800 mm
-1000 mm0 1 m
(3.3')2 m
(6.6')3 m
(9.8')4 m
(13.1')5 m
(16.4')6 m
(19.6')7 m
(22.9')8 m
(26.2')
7.87"
-7.87"
0
15.74"
-15.74"
23.61"
-23.61"
31.48"
-31.48"
-39.35"
39.35"25 mm Rod500 mm Plate
Dimensions
NPN Hookup
bk
gy
bn
bu
wh
+10 - 30V dc
shield
Remote Teach 0 - 2V dc
Load 1
Load 2See note below
PNP Hookup
bk
gy
bn
bu
wh
+10 - 30V dc
shield
Remote Teach 0 - 2V dc
Load 1
Load 2See note below
NPN Hookup
bk
ye or gy
bnbu
wh
+10 - 30V dc
shield
Remote Teach 0 - 2V dc
Load 1
Load 2See note below
PNP Hookup
bk
ye or gy
bnbu
wh
+10 - 30V dc
shield
Remote Teach 0 - 2V dc
Load 1
Load 2See note below
Cabled Models QD Models
NOTES: NPN or PNP hookup must agree with DIP-switch settings (see pages 3 and 4). It is recommended that the shield wire be connected to earth ground or DC common.
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U-GAGEQT50U Series Sensor Discret
Accessories
Quick-Disconnect (QD) Cable
Style Model Length Connector Pin-Outs
5-Pin Miniwith shield
MBCC2-506MBCC2-512MBCC2-530
2 m (6.5')4 m (12')9 m (30')
5-Pin EuroStraight
with shield
MQDEC2-506MQDEC2-515MQDEC2-530
2 m (6.5')5 m (15')9 m (30')
5-Pin EuroRight-anglewith shield
MQDEC2-506RAMQDEC2-515RAMQDEC2-530RA
2 m (6.5')5 m (15')9 m (30')
7/8-16UN-2B
28 mm(1.1")
61 mm max.(2.4")
M12 x 1
15 mm(0.6")
44 mm max.(1.7")
38 mm max.(1.5")
M12 x 1
15 mm(0.6")
38 mm max.(1.5")
Black Wire
Blue WireBrown Wire
Yellow Wire
White Wire
White Wire
Blue WireBlack Wire
Brown Wire
Gray Wire
Mounting Brackets
SMB30SC 30 mm split clamp with swivel, black
reinforced thermoplastic polyester Stainless steel hardware included
SMB30MM
30 mm, 11-gauge, stainless steel bracketwith curved mounting slots for versatility
and orientation Clearance for M6 (1/4") hardware
50.8 mm
(2.00")
58.7 mm(2.31")
66.5 mm(2.62")
30.0 mm(1.18")
30 x 1.5 mminternal thread
29.0 mm(1.14")
12.7 mm(0.50")
35.1 mm(1.38")
35.1 mm(1.38")
69.9 mm(2.75")
7.1 mm0.28 x 90 (2 Slots)
R 25.4 mm(1.00")
30.1 mm(1.19")
57.2 mm(2.25")
25.4 mm(1.00")
25.4 mm(1.00")
6.4 mm(0.25" dia.)
57.2 mm(2.25")
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U-GAGE Chemically Resistant Ultrasonic SeTeflon -protected sensors for harsh environments
Features
Available option for all Banner QT50U and T30U..B models.
Factory-installed Teflon flange and film coating bonded over the transducer provideprotection from harsh environments.
The flange is sealed to the sensor face using a Viton o-ring; other o-ring materialsmay be specified (contact factory).
Performance specifications for these models are identical to those of correspondingstandard models, with the exception of reduced sensing range (see PerformanceCurves below).
Sensor dimensions and mounting vary somewhat from corresponding standardmodels (see dimensions on reverse).
Teflon is a registered trademark of Dupont Viton is a registered trademark of Dupont Dow Elastomers
Models
Add suffix -CRFV to the model number of any standard QT50U or T30U..B modelsensor to get this option. For example: QT50ULBQ6-CRFVor T30UINB-CRFV. Consultfactory for information on T30U..A models.
Performance Curves
QT50U Max. Sensing Range: 200 mm to 8 m (8" to 26')
QT50U Effective Beam Pattern (Typical)
T30U..B Max. Sensing Range: 300 mm to 1.5 m (12" to 5')
T30U..B Effective Beam Pattern (Typical)
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U-GAGE QT50U and T30UChemically Resistant Ultrasonic Sensors
WARRANTY: Banner Engineering Corp. warrants its products to be free from defects forone year. Banner Engineering Corp. will repair or replace, free of charge, any product of itsmanufacture found to be defective at the time it is returned to the factory during the warranty
Installation
The sensor may be threaded directly intothe side of a tank (see dimensions for hole
diameter and thread specifications), or intoa non-threaded hole, using the includedthreaded nut.
For a non-threaded hole, install an o-ringonto the flange, and insert the flangecompletely into the hole until the sensorfront surface is against the tanks exteriorsurface. Place the other o-ring into thegroove on the Teflon nut, and thread thenut onto the flange (see Figure 1). Tightenenough to eliminate gaps between the flangeand the tank surface. This will ensure thatthe o-rings are fully compressed.
Dimensions
QT50U T30U
Figure 1. Installing the sensor into a non-threaded hole in a tank
Recommended through-hole size:QT50U: 56.5 0.5 mmT30U: 36.5 0.5 mm