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BUSCH VacTest Instruction Manual Download Page 20

10 | Technical Data

20 / 24

Instruction Manual VACTEST DCC 400_EN_en

139

66

45

ISO KF 40

139

ISO KF 25

10.1 Gas Correction Factor

Value range

►

0.20 … 8.0

Correction factor for cold cathode sensor:

Ar

►

0.80

H

2

►

2.4

N

2

►

1.0

Kr

►

0.6

CO

2

►

0.74

He

►

5.9

Ne

►

3.5

Xe

►

0.41

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Summary of Contents for VacTest

Page 1: ...technical data instruction manuals service kits Instruction Manual VACTEST Vacuum Measurement Equipment Digital Transmitter DCC 400 0870212178 _en Original instructions Modifications reserved 16 09 2...

Page 2: ...4 3 2 Connecting to the USB RS485 Converter 8 4 3 3 I O and Communication Port Schematic 9 4 4 Change Display Unit and Orientation Display version only 10 5 Operation 10 5 1 Before Operation 10 5 2 O...

Page 3: ...uct Before you start working find out whether any of the vacuum components are con taminated Adhere to the relevant regulations and take the necessary precautions when handling contaminated parts Comm...

Page 4: ...on the product s nameplate Technical modifications are reserved without prior notification 2 3 Delivery Content Included in the delivery consignment are Digital transmitter DCC 400 Protective cover In...

Page 5: ...pheres the device must be airproof shrink wrapped in a plastic bag together with a bag a desiccant 4 Installation WARNING Strong magnetic field Risk of severe injury The gauge contains strong permanen...

Page 6: ...ndling the instrument make sure that the flange is protected against dirt and damage Remove the protective cover is required again during maintenance work Connect the flange to the system Connection s...

Page 7: ...onnection cable must be used see accessories SET VacTest www buschvacuum com Active sensor controller CTR 002 CTR 004 D SUB Cables Transmitters With the controller CTR 002 up to 2 gauges can be connec...

Page 8: ...verter Transmitter USB RS485 Converter 24 VDC Set the relevant address at the address selector switch see Setting RS485 Address 12 Connect the gauge to the power supply cable Connect the USB RS485 con...

Page 9: ...Description Pin no Description 1 Identification 2 Signal Output 0 10 VDC 3 AGND 4 Voltage Supply 24 VDC 5 Supply GND 6 Relay 1 NO normally open 7 Relay 1 Common 8 Relay 1 NC normally closed 9 N A 10...

Page 10: ...e Furthermore dust oil or condensing vapours will affect sensor performance and may cause malfunction NOTICE Permanent operation in the pressure range 5 x 10 4 to 2 x 10 3 mbar Wear of the cold cathod...

Page 11: ...green LED flashing slowly Error red LED continuously on The setpoint LEDs are on when the related relay is activated For gauges with LCD display Operation error or malfunction the display is illuminat...

Page 12: ...f ambient air 6 Communication NOTE The Busch communication protocol is available separately on request Ask your Busch representative to get the document 6 1 Setting RS485 Address The transmitter is eq...

Page 13: ...ment range of the gauge x x x x x MV Displays the current pressure measurement x x x x x M1 Displays the current pressure of the Pirani sensor x x x x M2 Displays the current pressure of the Piezo sen...

Page 14: ...sor Transition for more information x x x CC Configure the control of the ionization sensor See chapter Ionization Sensor 15 for more information x x x FC Configure the use of the hot cathode filament...

Page 15: ...re over range O Relay opens in case of pressure over range C Relay closes when cathode is switched on C Relay opens when cathode is switched on T0 Open relay by software command off T1 Close relay by...

Page 16: ...be active as long as the voltage signal is applied The parameter Cathode Control Logic DL can also be queried 6 3 VacTest Explorer Software VacTest explorer software has been especially developed for...

Page 17: ...tion of the unit which is caused by contamination or wear and tear is not cov ered by warranty 7 1 Replacing the Sensor Head Disassembly Vent the vacuum system to atmospheric pressure and allow to coo...

Page 18: ...8 Spare sensor Intended for DPC 400 DN 40 ISO KF flange DCC 400 DN 40 ISO KF flange DPC 400 D DN 40 ISO KF flange DCC 400 D DN 40 ISO KF flange 0680 204 599 Controller Description Part no Active Senso...

Page 19: ...bar l s 5 x 10 10 Reaction time ms 50 Serial Interface RS485 Electrical Connection D Sub 15 pin male Supply voltage V 20 30 Cathode voltage V 2 5 Max power consumption W normal operation 3 W relays di...

Page 20: ...Instruction Manual VACTEST DCC 400_EN_en 139 66 45 ISO KF 40 139 ISO KF 25 10 1 Gas Correction Factor Value range 0 20 8 0 Correction factor for cold cathode sensor Ar 0 80 H2 2 4 N2 1 0 Kr 0 6 CO2 0...

Page 21: ...European Directives Electromagnetic Compatibility EMS 2014 30 EU RoHS 2011 65 EU restriction of the use of certain hazardous substances in electrical and electronic equip ment and following the stand...

Page 22: ...Note...

Page 23: ...Note...

Page 24: ...nfo busch it Japan info busch co jp Korea busch busch co kr Malaysia busch busch com my Mexico info busch com mx Netherlands info busch nl New Zealand sales busch co nz Norway post busch no Peru info...

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