simrad repeaters
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IN STRUCTION MAN UAL
Simr ad DR76, A R78, A R80, A R81 and A R83
Digit al, Analog and Bear ing Repeat ers
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Note !
Simrad AS makes every effort to ensure that the information contained within this
document is correct. However, our equipment is continuously being improved and
updated, so we cannot assume liability for any errors which may occur.
Warn ing !
The equipment to which this manual applies must only be used for the purpose for which
it was designed. Improper use or maintenance may cause damage to the equipment or
injury to personnel. The user must be familiar with the contents of the appropriate
manuals before attempting to operate or work on the equipment.
Simrad AS disclaims any responsibility for damage or injury caused by improper
installation, use or maintenance of the equipment.
Copyr igh t
2004 Simrad AS
The information contained within this document remains the sole property of Simrad AS.
No part of this document may be copied or reproduced in any form or by any means, and
the information contained within is not to be communicated to a third party, without theprior written consent of Simrad AS.
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INSTRUCTION MANUAL
20221487 / B i
I n st r u ct i on m an u al DR7 6 D ig i t a l r epeat e r ,
AR78 / AR80 Ana log repea t e r s
an d
AR81 / AR83 Bea r i ng r epea t e r s
This manual is used for installing and operating SimradsDigital -, Analog- and Bearing Repeaters.
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Simrad DR76, AR78, AR80, AR81 and AR83 Repeaters
ii 20221487 / B
D ocum en t r ev i si ons
Rev Date Written by Checked by Approved by
A 11.11.03B 02.09.04
D ocum en t h i st o r y
Rev. A First issue
Rev. B Updated to include AR81 and AR83 Bearing repeaters.
A bo u t t h i s m a n u al
This manual provides installation instructions, operation and simple fault findingprocedures for Simrads repeaters.
The manual must be used in conjunction with the instructions and drawings designedfor the specific vessel, and should remain with the vessel on completion of theinstallation to serve as an additional reference during maintenance of the system.
Important text that requires special attention from the reader is emphasized as follows:
Note Used to draw the readers attention to a comment or someimportant information.
Caut ion Used for warning the reader that a risk of damage to theequipment exists if care is not exercised.
W A RN I N G U se d f o r w a rn i n g t h e r e a d e r t h a t a r i sk o f
dam age to the equ ipm en t ex i s ts i f ca re i s no t
exerc ised .
To assist us in making improvements to this manual, we would welcome comments andconstructive criticism. Please send all such - in writing to:
Simrad Egersund AS
Nyskaien
P.O. Box 55
N-4379 Egersund, Norway
or by e-mail to:
simrad.documentation@simrad.com
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INSTRUCTION MANUAL
20221487 / B ii
Tab le o f con ten t s
1 I NTRODUCTI ON ....... . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . .1
2 DR76 DI GI TAL REPEATER ........ . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . .. . .2
2.1 Technical specifications .................................................................................2
2.2 Installation ......................................................................................................3
Panel mounting......................................................................................................... 3
Optional bracket mounting ....................................................................................... 4
2.3 Cable connection ............................................................................................5
2.4 Operation ........................................................................................................6
2.5 Commissioning...............................................................................................82.6 Fault finding ...................................................................................................8
3 AR78 / 80 ANALOG REPEATERS ........ . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . .9
3.1 Technical specifications .................................................................................9
3.2 Installation ....................................................................................................10
Panel mounting....................................................................................................... 10
Optional bracket mounting ..................................................................................... 10
3.3 Cable connection ..........................................................................................11
3.4 Operation ......................................................................................................12
Turning the repeater ON......................................................................................... 12
Adjusting display illumination ............................................................................... 12
3.5 Commissioning.............................................................................................13
3.6 Fault finding .................................................................................................13
4 AR81 / 83 BEARI NG REPEATERS....... . . .. . . . . . . . . . . . . . . . . . . . . . .. . . . . .1 4
4.1 Technical specifications ...............................................................................14
4.2 Installation ....................................................................................................15
4.3 Cable connection and DIP switch settings ...................................................15
Dip settings in AR81/83 repeater ........................................................................... 15
Connecting an AR81/83 repeater to a GC80/85 Compact gyro system ................. 17
Connecting an AR81/83 repeater to a GC80/85 Expanded/Dual gyro system....... 19
4.4 Operation ......................................................................................................23
Turning the repeater ON......................................................................................... 23
Adjusting display illumination ............................................................................... 23
4.5 Commissioning.............................................................................................23
4.6 Fault finding .................................................................................................24
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Simrad DR76, AR78, AR80, AR81 and AR83 Repeaters
iii 20221487 / B
5 SPARE PART LI ST....... . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .2 5
6 DRAWI NGS ... . .. . . . .. . . . .. . . . .. . . .. . . . .. . . . .. . . . .. . . . .. . . . .. . . . .. . . . .. . . . .. . . . .27
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INSTRUCTION MANUAL
20221487 / B 1
1 I NTRODUCTI ON
The DR76 Digital Repeater, the AR78/AR80 Analog repeaters,and AR81/AR83 Bearing repeaters have been designed to accept
a variety of digital inputs that are sensed when first switching onthe repeater.
The repeaters accept serial data (RS422). The D-type connectorhas pins allocated for power and serial data.
The serial input is configured to recognize NMEA 0183 HDT,HDG and HDM sentence structures in priority order.
All repeaters may be delivered with an optional mountingbracket.
The repeaters should be mounted where it is most convenient forthe user, with regard to the units environmental protection,temperature range and cable length. The unit should not beinstalled in area exposed to heavy vibrations.
Avoid mounting the repeater where it is easily exposed tosunlight, as this will shorten the lifetime of the display.
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2 DR76 DI GI TAL REPEATER
2 .1 Techn ica l speci f i ca t ion sDimensions .............................................................Refer page 28
Weight (nominal):................................................................1.2 kg
Mounting options:.................................Panel or bracket (Option)
Finish: ..........................Light Weather-work Grey (BS3816-676)
Construction:............................................Aluminum splash proof
Compass safe distance .............................................................2 m
Protection: .............................................................................. IP33
Temperature:.............................................................-5C to 50C
Humidity:........................................................0% to 95% at 40C
Vibration: ....................................................... 1-12.5 Hz 1.6 mm
12.5 25 Hz 0.38 mm
25HZ 50 Hz 0.1 mm
Magnetic Permeability:........ Cat. A (Acceptable for embarkationwithin volumetric allowances)
Power supply: ...................................................... 24V DC, 0.75A
Data input: ..........................................................................RS422NMEA 0183, 4800 baud, no priority, 1 stop bit
HDTHDGHDM
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INSTRUCTION MANUAL
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2 .2 I ns t a l l a t i on
Pa n el m o u n t i n g
1 Drill 4 mounting holes and make a panel cut-out accordingto supplied drilling template
2 Use the supplied screws to fasten the control unit to thepanel
Note Do not over- tighten the mounting screws!
3 Apply the front panel corners
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Op t i o n a l b ra ck e t m o u n t i n g
Numbers in brackets refer to the drawing below.
1 Locate the cradle (1) on the mounting site and mark 4
holes for the fixing screws on the mounting surface2 Drill the 4 mounting holes and screw the cradle to the
mounting surface
3 Insert the 2 open ratchet disks (2) into the cradle
4 Use the 4 supplied screws (3) to fasten the DR76 to theleft and right brackets (4)
5 Apply the front panel corners (5)
6 Insert the 2 closed ratchet disks (6) into the left and rightbrackets
7 Use the locking knobs (7) to assemble the cradle with theleft and right brackets
8 Adjust the repeater to best viewing angle
2 1
2
3
4
56
7
7
4
6
53
3
5
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INSTRUCTION MANUAL
20221487 / B 5
2 .3 Cable conn ect io n
Caut ion Any voltage supplies other than those specified in the productspecification, page 2, may cause damage to the repeater.
The repeaters have no power switch, and the repeater will beautomatically started when the cable is connected to the unit. Itis therefore recommended to connect the cable via an externalpower switch.
The repeaters are designed to run on 24VDC, and accept adigital RS422 data signal.
The repeater is supplied with a 2.5 meters cable with a 15 pinsfemale D-type connector.
The following table indicates the function of cores and their
identification.
FunctionD-type
connector pinWire color
(as supplied)
Ships cable(to be filled out for
reference by installer)
24V DC 1 Red
DC Return 9 Black
Data positive (TDA) 3 Green
Data negative (TDB) 11 Blue
Screen 8 Green/Yellow
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2 .4 Opera t ion
TURN INDICATOR
HEADING
SIMRAD DR76
SET
DIMBAR
TRUE
DIGITDIM
The DR76 front panel includes the following elements:
TURN INDICATOR Horizontal Turn indicator
- used either as a rate of turn indicator, or as asteering indicator to indicate the differencebetween actual and set course
HEADING
TRUE
Heading display
- showing the input heading received from thetransmitting device, e.g. the Gyro compass
DIMBAR
DIGITDIM
Dimmer buttons
- used for adjusting the illumination on the turnindicator or the back light intensity for theheading display
SET
SET button
- used for setting a course to steer, and for settingthe display mode for the turn indicator
Turn in g th e DR76 ON
DR76 has no separate power button, and the unit isautomatically turned on when the cable is connected to the unit.
The repeater has been designed to accept a variety of NMEAinput sentences. When the cable is connected to the repeater, itwill automatically sense which sentence that is present. Thefollowing priority is used when defining the signal:
- True heading (HDT)
- Heading & Variation format (HDG)- Old Heading format (HDM)
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INSTRUCTION MANUAL
20221487 / B 7
If the signal is invalid or missing after 1 second, this will beindicated with flashing heading display.
When the defined input signal is lost, power must be switchedoff and on again. If the cable not is connected via an externalswitch, the cable must be disconnecting and reconnected againto define a new input signal.
Ad jus t i ng d i sp lay i ll um ina t i on
The display illumination on both displays may be adjusted byusing the dimmer buttons.
DIGITDIM
BARDIM
DIMBAR button is used for adjusting the illumination on theTurn indicator.
DIM DIGIT button is used for adjusting the back lighting on the
Heading display.When a dimmer buttons is pressed, the illumination will beincreased/decreased until the button is released.
Disp lay m odes fo r Tu rn i nd i cato r
DR76s Turn indicator may be set to 3 different display modes,defined as Mode 0, 1 and 2.
Mode 0:
Rate of turn indicator with fine resolution. For each 1/10
the vessels bow turns, three bargraphs will move to left orright on the indicator.
TURN INDICATOR
Mode 1:
As for Mode 0, but with the bargraphs indicating each 1turn.
Mode 2:
In this mode the Turn indicator acts as a set steeringdisplay. When the vessels heading is identical to setcourse, all LEDs are unlit. For each degree steered off-course, one LED will be lit.
TURN INDICATOR
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Simrad DR76, AR78, AR80, AR81 and AR83 Repeaters
8 20221487 / B
Se t t i ng th e D isp lay m ode
SETBAR
DIM
Active mode is selected by pressing the SET button and the DIMBAR button simultaneously.
The last digit in the heading display will now cycle between thethree display modes. Then selected mode is indicated, this modeis activated by releasing both buttons.
2 .5 Commiss ion ing
Perform the following tests when commissioning the repeater:1 Ensure that the mechanical installation and cable
connection has been completed according to thedescription on previous pages
2 Connect the cable to the repeater. The repeater willautomatically sense which digital signal that is present
- The repeater will align itself to zero and then to thetransmitted gyro heading
3 Ensure that the lighting is set to a suitable level. Adjust if
necessary with the dimmer button
2 .6 Fau l t f i nd ing
The DR76 is a sealed unit, and breakage of the security seal willinvalidate the warranty.
If trouble is encountered, make preliminary checks as describedbelow. If the problems remain unsolved, contact your nearestSimrad dealer for assistance.
Symptom Probable fault Remedy
The repeater does notoperate.
No power or incorrect powerconnection.
Check incoming powersupply.
The repeater aligns itselfto zero and does notrespond to headinginput.
The digital signal to the repeater iseither not present, or the sentencebeing sent is incorrect or has wrongpolarity.
Switch the unit off and onagain.
Lighting not visible Damage to internal LED, ordamage to internal PCB.
Return to Simrad dealer forservice.
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INSTRUCTION MANUAL
20221487 / B 9
3 AR78 / 8 0 ANALOG REPEATERS
3 .1 Techn ica l speci f i ca t ion sDimensions: ................................................ Refer page 29 and 30
Weight (nominal):
AR78:................................................................2.9 kg
AR80.................................................................1.9 kg
Mounting: .............................................Panel or bracket (Option)
Finish: ..................................................... Satin black (RAL 9005)
Construction:................................................Aluminum enclosure
Connections: .......1x6 way screened cable (15 way D-type fitted)
Compass safe distance: ............................................................2 m
Cable: ................................... 2.5 m tailed with D-Type connector
Protection: .............................................................................. IP54
Temperature: .......................................................... -5C to +50C
Performance:
AR78:.................................................................0.5
AR80:.................................................................0.1
Follow up rate: ...................................................................... 12/s
Dial Resolution:
AR78:.................................................... Marked to 1
AR80:
Outer dial: .................................... Marked to 1
Inner dial: ................................. Marked to 0.1
Power supply: ...................................................... 24V DC, 0.75A
Data input: ..........................................................................RS422NMEA 0183, 4800 baud, no priority, 1 stop bit
HDTHDGHDM
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3 .2 I ns t a l l a t i on
Pa n el m o u n t i n g
1 Drill the mounting holes and make a panel cut-outaccording to supplied drilling template
2 Use the supplied screws to fasten the control unit to thepanel
Note Do not over- tighten the mounting screws!
3 Apply the front panel corners
Refer the drawing on page 3 showing the panel mounting forDR76.
Op t i o n a l b ra ck e t m o u n t i n g
Numbers in brackets refer to the drawing below.
1 Locate the bracket (1) on the mounting site and mark 5holes for the fixing screws on the mounting surface
2 Drill the 5 mounting holes and screw the bracket to themounting surface
3 Insert the 2 open ratchet disks (2) into the bracket
4 Insert the 2 closed ratchet disks (3) into the repeater
5 Use the locking knobs (4) to assemble the brackets and therepeater
6 Adjust the repeater to the best viewing angle
3
1
2
2
3
4
4
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INSTRUCTION MANUAL
20221487 / B 11
3 .3 Cable conn ect io n
Caut ion Any voltage supplies other than those specified in the productspecification, page 9, may cause damage to the repeater.
The repeaters have no power switch, and the repeater will beautomatically started when the cable is connected to the unit. Itis therefore recommended to connect the cable via an externalpower switch.
The repeaters are designed to run on 24VDC, and accept adigital RS422 data signal.
The repeater is supplied with a 2.5 meters cable with a 15 pinsfemale D-type connector.
The following table indicates the function of cores and their
identification.
FunctionD-type
connector pinWire color
(as supplied)
Ships cable(to be filled out for
reference by installer)
24V DC 1 Red
DC Return 9 Black
Data positive (TDA) 3 Green
Data negative (TDB) 11 Blue
Screen 8 Green/Yellow
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Simrad DR76, AR78, AR80, AR81 and AR83 Repeaters
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3 .4 Opera t ion
pfjo^a=^o=UM
afj
The analog repeaters include a rotating dial and a dimmerbutton.
Turn ing t he repea te r ON
The repeaters have no separate power button, and the unit isautomatically turned on when the cable is connected to the unit.
The repeaters have been designed to accept a variety of NMEAinput sentences. When the cable is connected to the repeater, itwill automatically sense which sentence that is present. Thefollowing priority is used when defining the signal:
- True heading (HDT)
- Heading & Variation format (HDG)
- Old Heading format (HDM)
If the signal is invalid or missing after 1 second, the repeaterwill indicate this by flashing illumination and by rotating thedial back and forth +/-35 around the last known heading.
When the defined input signal is lost, the power must beswitched off and on again. If the cable not is connected via an
external switch, the cable must be disconnecting andreconnected again to define a new input signal.
Ad jus t in g d i sp lay i l l um ina t ion
The rotary button is used for adjusting the backgroundillumination on AR78 and AR80. Rotating the button in aclockwise direction will increase the light intensity, while thelight intensity will be decreased when the button is turnedcounter-clockwise.
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INSTRUCTION MANUAL
20221487 / B 13
3 .5 Commiss ion ing
Perform the following tests when commissioning the repeater:
7 Ensure that the mechanical installation and cable
connection has been completed according to thedescription on previous pages
8 Connect the cable to the repeater. The repeater willautomatically sense which digital signal that is present
- The repeater will align itself to zero and then to thetransmitted gyro heading
9 Ensure that the lighting is set to a suitable level. Adjust ifnecessary with the dimmer button
3 .6 Fau l t f i nd ing
The AR68/AR77 are sealed units, and breakage of the securityseal will invalidate the warranty.
If trouble is encountered, make preliminary checks as describedbelow. If the problems remain unsolved, contact your nearestSimrad dealer for assistance.
Symptom Probable fault Remedy
The repeater does notoperate.
No power or incorrect powerconnection.
Check incoming powersupply.
The repeater aligns itselfto zero and does notrespond to headinginput.
The dial rotates +/- 35.
The digital signal to the repeater iseither not present, or the sentencebeing sent is incorrect or has wrongpolarity.
Switch the unit off and onagain.
Lighting not visible Damage to internal LED, ordamage to internal PCB.
Return to Simrad dealer forservice.
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Simrad DR76, AR78, AR80, AR81 and AR83 Repeaters
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4 AR81 / 8 3 BEARI NG REPEATERS
4 .1 Techn ica l speci f i ca t ion sDimensions: ............................................................ Refer page 31
Weight (nominal):................................................................4.5 kg
Mounting: ...........................................Dedicated holders or stand
Connections: ...................................................Via holder or stand
Compass safe distance: .........................................................0.5 m
Cable: ....................................................................................1.8 m
Protection: .............................................................................. IP66
Temperature: ........................................................ -20C to +60C
Performance:.........................................................................0.3
Follow up rate: ..................................................... 40/s maximum
Dial Resolution:
AR81: ................................................... Marked to 1
AR83:
Outer dial ..................................... Marked to 1Inner dial................................... Marked to 0.5
Power supply: .................................................................. 24V DC
Data input: .....................................................................$ - - HDT
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INSTRUCTION MANUAL
20221487 / B 15
4 .2 I ns t a l l a t i on
The AR81/AR83 bearing repeaters have to be mounted by usingone of the repeater holders or in the repeater stand. Refer
SPARE PART LIST, page 25.Refer dimensional drawings for repeater holders and repeaterstand, page 32 onwards.
4 .3 Cab le conn ect ion and D I P sw i t ch set t i ngs
Caut ion Any voltage supplies other than those specified in the productspecification, page 14, may cause damage to the repeater.
The AR81/AR83 repeaters are supplied with a 1.8 m cable.The repeater is connected to the gyro compass via the connectionbox on the repeater holder or on the repeater stand.
Refer the following paragraphs for how to connect the repeaterand how to set necessary jumpers in repeater and in the gyroscontrol unit.
D i p se t t i n g s i n A R8 1 / 8 3 r e p ea te r
DIP switch settings in the AR81/83 repeaters are factory set forconnection to a GC80/85 gyro compass.
If the repeaters are to be used by any other gyro system, it couldbe necessary to set the DIP switches in S1 according to thedescription following here.
S1S3
S2
1
8
ON ON 1
8
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SWITCH DEFAULT FUNCTION DESCRIPTION
1-1 OFF
1-2 OFF1-3 OFF
20 msec
(IEC-2)
1-1 ON
S1-1 ON
1-2 OFF
1-3 OFF
100 msec(IEC-1)
1-1 OFF
1-2 ON
1-3 OFF
200 msec(IEC-1)
S1-2 OFF
1-1 ON
1-2 ON
1-3 OFF
1 sec(IEC-1)
1-1 OFF
1-2 OFF
S1-3 OFF
Setup forreceiveformat
1-3 ON
TK format
S1-4 OFF Not used
S1-5 OFF Not used
OFF = Standard
S1-6 OFF
Repeater
type ON = Steering repeater
OFF = +S1-7 -
Polarity foroffset ON = -
Value inputwith S2
OFF = Software update
8
S1
ON 1
S1-8 ONSoftwareupdate ON = Normal operation
SWITCH DEFAULT FUNCTION DESCRIPTION
S2 - Offset value
SWITCH DEFAULT FUNCTION DESCRIPTION
S3-1 OFF
S3-2 OFF
S3-3 OFF
S3-4 OFF
S3-5 OFF
S3-6 OFF
S3-7 OFF
ON
8
1
S3
S3-8 OFF
Not used
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INSTRUCTION MANUAL
20221487 / B 17
Co n n e ct i n g a n A R8 1 / 8 3 r e p ea te r t o a
GC80 / 85 Com pact gy r o sys tem
The AR81/83 should be connected to one of the four TX ports inthe Compact control unit as shown on the figure below:
*
Cable not supplied by Simrad*
37
40
3TX+
3TX-
2TSC
2R24-
301TX-
32
34
33
31
2TX+
1R24-
1TSC
CONTROL UNIT
COMPACT
TB1
291TX+
12
13
11
16
15
14
1.8mRED
BROWN
YELLOW
GREEN
BLACK
WHITE
Vcc
DIM-AN
24C
24V
IEC-HIEC-L
REPEATER STAND
CONNECTION BOX
R24+5
43
R24-
1
2
TX+
TX-
GC80/85 REPEATER HOLDER /
464TSC
4R24+
REPEATER
BEARING
AR81/AR83
47
48
4R24-
1R24+
2R24+
3R24+
2TX- 35
41
43
42
45
444TX+
4TX-
3R24-
3TSC
36
39
38
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When an AR81/83 is connected to a GC80/85 Compact gyrosystem, the serial output signal from the gyro has to be set to
IEC-61162-1 ed.2. This is done by setting a jumper on the ICIFboard in the GC80/85 Compact Control unit. Depending onwhich TX port that is used for connecting the repeater, pin 1-2has to be shortened on the following jumpers on the ICIF board:
TX PORT JUMPER
1TX J7, 3-4 short
2TX J8, 3-4 short
3TX J9, 3-4 short
I CI F b o ar d
F5
F4
F3
F2
F1
F8
TB3
F6
F9
F7
TB2
4TX J10, 3-4 short
Refer to the manual for your gyro system for more detailedinformation about the different jumper settings.
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INSTRUCTION MANUAL
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Co n n e ct i n g a n A R8 1 / 8 3 r e p ea te r t o a
GC8 0 / 8 5 Ex p a n d e d / D u al g y ro s y ste m
10 TX channels are available when connecting the AR81/83repeater to a GC80/85 Expanded or Dual gyro system. Therepeater should be connected to the control unit as shown on thefigure below:
IEC-L
REPEATER STAND
CONNECTION BOX
R24+5
4
3
R24-
1
2
TX+
TX-
7R24- 38
10TX- 33
34
35
3610R24+
10TSC
10R24-
9TX+ 27
28
29
30
31
32
9R24-
9R24+
10TX+
9TX-
9TSC
39
40
41
42
43
44
8TSC
8R24-
8R24+
7R24+
8TX+
8TX-
2R24- 9
5TX- 26
6TSC 32
33
34
35
36
37
7TX+
7TX-
7TSC
6R24-
6R24+
30
31
29
28
27
5R24+
6TX+
6TX-
5R24-
5TSC
25
20
19
18
17
16
4R24-
4R24+
5TX+
4TSC
4TX-
4TX+
10
15
14
13
12
11
3TX-
3R24+
3R24-
3TSC
3TX+
2R24+
1TSC 3
2TX+ 6
2TSC
2TX-
8
7
1R24+
1R24-
5
4
1TX-
1TX+ 1
2
TB2
TB1
GC80/85 REPEATER HOLDER /
REPEATER
BEARING
AR81/AR83
CONTROL UNIT
EXPANDED / DUAL
12
13
11
1615
14
Cable not supplied by Simrad
RED
BROWN
YELLOW
GREEN
BLACK
WHITE
Vcc
DIM-AN
24C24V
IEC-H
*
*
1.8m
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When an AR81/83 is connected to a GC80/85 Expanded or Dualgyro system, the serial output signal from the gyro has to be setto IEC-61162-1 ed.2. This is done by setting a jumper on theSCC or SIFC board in the GC80/85 Expanded, or on the SCC
or SCOIF board in the Dual control unit.Depending on which TX port that is used for connecting therepeater, the jumpers have to be set as described in the followingpages.
GC80 / 85 Expanded gy ro sys tem
TX PORT BOARD JUMPER
1TX J7, 5-6 short
2TX
SCC
J8, 3-4 short3TX J6, 3-4 short
4TX J7, 3-4 short
5TX J8, 3-4 short
6TX J9, 3-4 short
7TX J10, 3-4 short
8TX J11, 3-4 short
9TX J12, 3-4 short
10TX
SIFC
J13, 3-4 short
SCC board
2 1J8
4 3
J72
6
1
5 6J7
2
2
5
1
1
J84 3
SI FCboard
SCCboard
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SIFC board
J11
J9
J7
J13
J10
J8
J6
J12
J7
J9
J11
J13
J27
J26
J6
J8
J10
J12
Refer to the manual for your gyro system for more detailedinformation about the different jumper settings.
GC80 / 85 Dua l gy ro system
TX PORT BOARD JUMPER
1TX J7, 5-6 short
2TXSCC
J8, 3-4 short
3TX J15, 3-4 short
4TX J16, 3-4 short
5TX J17, 3-4 short
6TX J37, 3-4 short
7TX J38, 3-4 short
8TX J39, 3-4 short
9TX J40, 3-4 short
10TX
SCOIF
J41, 3-4 short
SCOI Fboard
SCC
board 2
SCCboard 1
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SCC board
2 1J8
4 3
J72
6
1
5 6J7
2
2
5
1
1
J84 3
SCOIF board
J24
SCOIF board
J39
J40
J38
J41 21
42
31
31
3
42
4
13
24
4 3J37
J17
J15
J16
2
2 1
24
1
J43
J42
1 2
13
24
13
24
13
24J35
13
24J34
1234 J33
J3212
J3112
13
24 J36
13
24 J28
12
56
J222142
31
42
4
13
31
3
J413 4
1212 J16J43
34J45
J3713
24
13
24J44
34
13
24
12
J42
34 J15
34
13
24 J17
12
J411212J23 J27
S113
24J20
12J18
34
12J25
13
24 J21
J1912
34
J3834J29
J40
J39 12J3012J26
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4 .4 Opera t ion
Turn ing t he repea te r ON
DI MMER POWER
The repeater holders and the repeater stand have a power buttonon the connection box.
When the cables are connected and the jumper set in the controlunit according to the previous pages, the repeater is turned on byswitching the power button.
If the signal is invalid or missing after 1 second, the repeater willindicate this by rotating the dial back and forth +/-35 around thelast known heading.
When the defined input signal is lost, the power must be
switched off and on again. If the cable not is connected via anexternal switch, the cable must be disconnecting andreconnected again to define a new input signal.
Ad jus t in g d i sp lay i l l um ina t ion
The rotary button is used for adjusting the illumination onAR81/83 repeater. Rotating the button in clockwise directionwill increase the light intensity, while the light intensity will bedecreased when the button is turned counter-clockwise.
4 .5 Commiss ion ing
Perform the following tests when commissioning the repeater:
1 Ensure that the mechanical installation and cableconnection has been completed according to thedescription on previous pages
2 Turn the repeater on.
- The repeater will align itself to zero and then to thetransmitted gyro heading
3 Ensure that the lighting is set to a suitable level. Adjust ifnecessary with the dimmer button
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4 .6 Fau l t f i nd ing
The AR81/83 are sealed units, and breakage of the security sealwill invalidate the warranty.
If trouble is encountered, make preliminary checks as describedbelow. If the problems remain unsolved, contact your nearestSimrad dealer for assistance.
Symptom Probable fault Remedy
The repeater does notoperate.
No power or incorrect powerconnection.
Check incoming powersupply.
The repeater aligns itselfto zero and does notrespond to heading
input.
The digital signal to the repeater iseither not present, or the sentencebeing sent is incorrect or has wrong
polarity.
Switch the unit off and onagain.
Check the sentence from theheading sensor.
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5 SPARE PART LI ST
The following tables list part numbers for all standard andoptional equipment that may be delivered for DR76, AR78,
AR80, AR81 and AR83 repeaters.
Part no Description
27103365 DR76 Digital repeater
27103340 AR78 Analog repeater
27103324 AR80 Analog repeater
27101732
Single scale Bearing Repeater NMEA.
To be mounted in BB holder, MB Holder or BH stand. IMOA424
27101740Dual scale Bearing Repeater NMEA.To be mounted in BB holder, MB Holder or BH stand. IMOA424
27103407Repeater mounting accessories for DR76 and AR78/AR80.Including 4 front panel corners and 4 screws
44170702 2.5 m Repeater cable with plug
22084941 DR76 Mounting bracket
27103589 AR78 Mounting bracket
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Part no Description
27103571 AR80 Mounting bracket
27102870AR81/AR83 Repeater HolderGimballed bracket for indoor mounting of bearing repeater
27103076AR81/AR83 Repeater Holder.Trunnion bracket for bearing repeater
27102862AR81/AR83 Repeater StandBinnacle for outdoor mounting of bearing repeater.
27102888AR81/AR83 Azimuth CircleUsed on bearing repeater to take bearings on celestial bodiesand surface targets etc.
27102912 Course RecorderRecords day, hour and course.
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6 DRAW I NGS
The following drawings are enclosed:
Drawing name Drawing no. Rev.
DR76 Digital repeater. Dimensions D2-710354 A
AR78 Analog repeater. Dimensions D2-710355 A
AR80 Analog repeater. Dimensions D2-710356 A
AR81/AR83 Bearing repeater. Dimensions N4-710302 A
AR81/AR83 Repeater holder (BB). Dimensions N4-710303 -
AR81/AR83 Repeater holder (BH) Dimensions N4-710304 -
Repeater stand (BH). Dimensions N4-710308 -
Note The original signed drawings are recorded at Simrad Egersund.
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