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Vacuum Solutions Application Support Service LEYBOLD VACUUM

TURBOTRONIKNT 13 SPNT 13 SP-FMS

Electronic frequency converter

Part No.

857 10, 800150V1001

Operating Instructions

GA05219_0502

Fig. 1 TURBOTRONIK NT 13

FiguresReferences to diagrams, e.g. (2/10) consist of the Fig. No. and the ItemNo. in that order.

WarningIndicates procedures that must be strictly observed to prevent hazardsto persons.

CautionIndicates procedures that must be strictly observed to prevent damageto, or destruction of the appliance.

NotesAll work within the instrument described in these Operating Instructionsmay only be carried out by suitably qualified personnel.

Before opening the instrument disconnect itfrom the mains! When applying externalvoltages over 42 V to the connecting termi-nals of the instrument observe the localsafety regulations!

We reserve the right to alter the design or any data given in these Operating Instructions.The illustrations are not binding.

1 DescriptionDesign and function

The electronic frequency converters TURBOTRONIK NT13 SP are used to drive the turbomolecular pump TUR-BOVAC 50.

The electronic frequency converter converts the singlephase mains voltage into a three-phase AC voltage fordriving the asynchronous motor of the TURBOVAC.

The frequency converter is operated according to a fixedcycle: the motor is driven for approximately 1 s and in thefollowing period of 0.1 s all monitoring measurementsare performed.

The operational statuses „Mains voltage applied -POWER“, „Acceleration - ACCEL“, „Normal - NORMAL“and „Failure - FAIL“ are indicated by LEDs.

The NT 13 SP provides two pressure-dependent swit-ching points via relay outputs.

Pressure-trigger 1 closes when the pressure in theTURBOVAC is lower than approx. 4·10-3 mbar.

Pressure-trigger 2 opens within less than 1 second ifthe pressure exceeds approx. 5·10-1 mbar. Thus, theTURBOVAC and backing pump may be shut down, e. g.in case of implosions.

The outputs are short-circuit proof and protected againstno load conditions.

FMS version

FMS stands for "five minute switch". This version has atimer that opens the pressure trigger 2 after about 5minutes if the nominal rotation speed of the TURBOVACis not reached in this period.

If the TURBOVAC and backing pump are switched offusing this relay output, then the pump system is protec-ted from excessive pressure, for example in the case ofa large leak, an open high vacuum connection or a mis-sing picture tube to be evacuated.

Description

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Description

3GA05219_0502 - 01/2004

Front panel: Foil front panel with 4 LEDs and 2 measu-rement sockets.

Housing: Aluminium extruded section.

Rear panel: Sheet metal, contact strip (to DIN 41612)with 15 contacts for connection of TURBOVAC, themains and the remote monitoring and remote control.

Technical data

Mains voltage ranges, selectable 90-140 V, 180-260 VMains frequency 50/60 Hz

Rated speed of the TURBOVAC72,000 min-1=1200 Hz

Power consumptionbriefly (acceleration) up to 64 VA (45 W)continuously (nominal speed) 35 VA (18 W)idle 6 VA (3 W)

OutputsVoltage 3 x 150 VNominal frequency 1200 HzFrequency range of the output voltage 220-1250 Hz

Ambient temperaturesduring operation 0-40°Cduring storage - 40°C to + 85°C

Max. rating of the relay contacts 8 and 10Switching voltage ≤ 250 VSwitching current ≤ 6 ASwitching capacity for DC ≤ 150 WSwitching capacity for AC ≤ 1500 VA

Max. rating of the relay contacts 4 and 6,mains isolated 25 Veff / 60 V DC / 1 A

Weight 1.5 kg

Housing dimensions 1/4 19“, 3 HU*

* HU = height units - modular spacings high

Ordering information

Cat. No.

Electronic frequency converterTURBOTRONIK NT 13 SP 857 10TURBOTRONIK NT 13 SP-FMS 800150V1001

Cassette mounting frame 854 11

Connection line to TURBOVAC, 1 m long 857 56

Standard specification

Fine fuses and 2 screws for rack installation.

104,5

122,5

112

M3 - 3,2

91,5

Fig. 2 Dimensional drawing, dimensions in mm

Control panel cut-out

Connection and Operation

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220V

1

2

34

110V

TURBOTRONIK NT 10

START

STOP

POWER

ACCEL

NORMAL

FAIL

1 Screws2 Catches3 Mains voltage selector switch4 Plug for flat cable

Fig. 3 Selecting the mains voltage range;removing the front panel

2 Connection and OperationElectrical connection

Connections to the TURBOTRONIK NT 13 are carriedout via the connector strip on the rear. For the pin assign-ments refer to Fig. 4.

WarningVarious contacts along the connector maycarry mains voltage, therefore only touchthe connector having disconnected theTURBOTRONIK from the mains.

Connect the line supplied to the connector strip. A dra-wing giving details on how to correctly install this cable isincluded.

WarningHigh leakage current! If the connection linebetween TURBOVAC and TURBOTRONIKis longer than 10 m connect both units addi-tionally via protection earth.

For connection of the TURBOVAC use only a double-screened cable with sufficient isolation rating.

Emergency shutoff

Install a suitable emergency shutoff in the power supplyline.

The unit may only be connected by a qualified electrici-an and in accordance with the local regulations.

WarningInside the TURBOTRONIK there are hazar-dous voltages. Open the TURBOTRONIKonly after having it disconnected from themains.

Selecting the mains voltage range

The TURBOTRONIK frequency converter is suppliedready for operation in connection with a mains voltagerange of 180 to 260 V, 50/60 Hz. It may be converted torun on a mains voltage range of 90 to 140 V, 50/60 Hz.

CautionThe TURBOTRONIK is damaged whenconnected to the mains with an incorrectmains voltage range setting.

Unscrew the 2 screws (3/1) on the left and right of theunit and carefully swing out the front panel to the left toremove it. Operate switch (3/3).

When changing the mains voltage setting it is not requi-red to exchange any fuses.

Remount the front panel.


5GA05219_0502 - 01/2004

Connection to the relay contacts

WarningThe relay contacts are separated from themains voltage by base insulation. In case ofa failure they may carry hazardous volta-ges.That’s why the control lines which areconnected to these contacts shall be sub-jected to special precautionary measures.In particular, they shall not be interconnec-ted with low-voltage circuits which may beexposed to contact unless additional pro-tective measures are taken.

Mains voltage or function electrical low-voltage may beapplied to relay contacts 8 and 10 whereas only functionelectrical low-voltage may be applied to relay contacts 4and 6. Observe the local safety regulations. A connectionof the relay contacts with isolated current circuits is pro-hibited.

For functioning of the relays refer to section „Operation“.

Connections to the measurement sockets

The measurement sockets (in the front panel) carrymains voltage. The voltage across the measurementsockets is proportional to the intermediate circuit current

within the TURBOTRONIK (1 mV ; 1 mA). Under cer-tain operating conditions this current is directly equiva-lent to a certain intake pressure; see Fig. 5.

The way in which current and pressure are relateddepends on the particular operating conditions in eachcase. For more details contact us.

WarningThe measurement voltage is not mains-iso-lated. Connect a measuring instrument sothat it is reliably excluded of coming intocontact with the mains.

Installing the TURBOTRONIK

The TURBOTRONIK is intended for installation into a19“ rack.

Four holes on the front panel are provided for this pur-pose.

Sufficient ventilation must be ensured and the ambienttemperature must not exceed 40°C during operation.

Fig. 4 TURBOTRONIK NT 13 SP; Pin assignment of the connector strip

Relay contactPressure trigger 2


Mains L (live),e.g. for fan

L1

L3

Prot. conductor/2nd. cable screen

L (live)



Mains N, e.g. for fan

not connected when supplied

L2

Ground/1st cable screen

N

Prot. conductor (PE)

4

8

12

16

20

24

28

32

6

10

14

18

22

26

30

TURBOVAC

Mains


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Fig. 5 Current in the intermediate circuit of the NT 13 SP as afunction of pressure courve (qualitative)

≈ 5·10-1 mbar

possible implosion

IZK

200

mA

90

Relay pressure-trigger2 opens (Pin 4 and 6)

Time/min

≈ 4·10-3 mbar

Relay pressure-trigger 1closes (Pin 8 and 10)

Switching on

Switch on the mains voltage for the TURBOTRONIK -the POWER LED must come on.

At the same time the TURBOVAC starts to run up. Aboutup to 5 seconds after start-up or following a power failu-re the relay statuses may be wrong.

LED ACCEL (acceleration) is on. After reaching 90% ofthe nominal speed the NORMAL LED comes on and theACCEL LED goes off.

Pressure relay trigger 1

The pressure relay closes (pins 8 and 10) when the pres-sure in the TURBOVAC is lower than approx 4·10-3 mbar.

Pressure relay trigger 1

The pressure relay trigger 2 (pin 4 and 6) opens once theTURBOVAC has reached the status NORMAL and whenafterwards the pressure rises for at least 0.65 secondover 5·10-1 mbar. It opens also when the TURBOVACbecomes too hot.

For the NT13 SP-FMS, the pressure relay trigger 2 (pin4 and 6) also opens if the nominal rotation speed of theTURBOVAC is not reached within 5 minutes.

Switching the pressure relay trigger 2 causes the greenLED NORMAL to go off; the red LED FAIL lights and theTURBOVAC is no longer driven.

Switching off

Switch off TURBOVAC and TURBOTRONIK by swit-ching off the mains voltage.

Having rectified a failure also switch off the mains supp-ly and then restart.

Maintenance

The TURBOTRONIK requires no maintenance. It mayonly be repaired by Leybold service personnel.

CautionBefore changing fuses, the TURBOTRO-NIK must be disconnected from the powermains. During all work on the turbomolecu-lar pump, the TURBOTRONIK must besecured against being switched on.

Clean the TURBOTRONIK with a dry dust-free cloth.

Troubleshooting

7GA05219_0502 - 01/2004

Symptoms

1. POWER LED is not on.

2. ACCEL LED is on, NOR-MAL LED is not on; i.e. swit-ching to NORMAL does notoccur after a certain run-upperiod.

3. FAIL LED is on and thespeed of the TURBOVAC isdropping off.

4. FAIL LED is on and TUR-BOVAC does not run up.

5. Pump is running normally,NORMAL LED is on but theattained ultimate pressure isinsufficient.

Probable Cause

TURBOTRONIK not connected to the mains.

Fuse has blown.

Leak in the vacuum system so that the nominalspeed is not reached.

The TURBOVAC had reached the status NOR-MAL and the pressure had increased afterwardsfor at least 0.65 sec to over 5·10-1 mbar.

The temperature within the motor coils hasexceeded the permissible limit temperature, e. g.due to high ambient temperatures or insufficientcooling.

Plug of the cable leading to the TURBOVAC orthe cable itself is malfunctioning or not connec-ted correctly.

Motor coil of the TURBOVAC is overheated.

Leak in the vacuum system.

Pump is turning in the wrong direction.

Recommended Corrective Actions

Connect to the mains.

Exchange the fuse. To do so, remove the front and rearpanel of the TURBOTRONIK. For removal of the front panel unscrew screws (3/1) andremove the front panel. Depress catches (3/2) somewhat,pull out the inner section of plug (3/4) some millimetres.Disconnect the flat cable from the plug.Pull the pcbs. out of the housing. Unscrew the pcbs sothat they may be folded apart. Exchange the fuses.Fold the pcbs. back together again, screw them tight andinstall them. Install front and rear panels again.

Seal off the vacuum system.

If poss. eliminate the leak.Reset the failure via switching off the power; then restart.

Improve the cooling arrangement. Reset the failure via switching off the power; then restart.

Check, and if required exchange the cable and the plug.Reset the failure via switching off the power; then restart.

Let the pump cool down.Reset the failure via switching off the power; then restart.

Detect and remove the leak.

Check the wiring of three phases for the motor and iffound incorrect interchange 2 phases.

3 Troubleshooting

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We - LEYBOLD VAKUUM GmbH - herewith declare thatthe products defined below meet the basic requirementsregarding safety and health of the relevant EEC direc-tives by design, type and the versions which are broughtin to circulation by us.

In case of any products changes made without ourapproval, this declaration will be void.

Designation of the products:


Models:

TURBOTRONIK NT 13 SP, NT 13 SP-FMS

Catalogue numbers: 857 10, 800150V1001

EEC Declaration of ConformityThe products comply with the following guidelines:

• EC Low-Voltage Guidelines (73/23/EEC)

Applicable, harmonized standards:

• EN 61010-1: 1993

We at Leybold Vakuum GmbH hereby declare that com-missioning of the device specified hereafter is not per-mitted until it is ensured that the installation of the devi-ce is in accordance with EMV regulations (89/336/EWG).

Designation of the products:


Models:

TURBOTRONIK NT 13 SP, NT 13 SP-FMS

Catalogue numbers: 857 10, 800150V1001

EEC Manufacturer’ s DeclarationHarmonized standard to be applied

• IEC 61326

Cologne, June 6, 2003

—————————————————————Dr. Beyer, Application


—————————————————————Greven, Electrical Systems Design


—————————————————————Dr. Beyer, Application


—————————————————————Greven, Electrical Systems Design

9GA05219_0502 - 01/2004

LEYBOLD VAKUUM GmbHBonner Strasse 498 (Bayenthal)D-50968 Cologne Tel.: ++49 221 347-0Fax: ++49 221 347-1250http://www.leybold.come-mail:[email protected]

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