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Vega DSGH, Quick Reference Manual

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Vega DSGH Quick Reference Manual Download Page 8

 

Wiring 

 
 

 

DSGH Exploded View 

1

 

Power Supply Board 

2

 

CPU Board 

 

DSGH Perforated View 

1

 

Customer Earth Ground and Ground to Housing 

 

 

Do not apply power until thoroughly checking all the wiring. Not all 

connections are required for operation. For example, Terminal 10  

(-6V, Auxiliary Input Power) may not be used with newer electronics. The 

power input terminals are not polarity-sensitive. 

8 

 

Summary of Contents for DSGH

Page 1: ...Quick Reference Guide DSGH Radiation Based Detector with GEN2000 Electronics for Density Measurement Document ID 31524 Nuclear...

Page 2: ......

Page 3: ...A5 130403 This document contains proprietary information of VEGA Americas Inc It shall not be reproduced in whole or in part in any form without the expressed written permission of the VEGA Americas...

Page 4: ...Notes NOTES 4...

Page 5: ...ation 11 Set up 4 mA 11 Set up 20 mA 11 Select Linearity 12 Calibrate Gauge 12 Maintenance and Diagnostics 15 Alarm Types 15 Gauge Status 16 Diagnostic Screens in Ohmview 2000 16 Acknowledge Diagnosti...

Page 6: ...Notes NOTES 6...

Page 7: ...h the internal and external ground screw 4 Access the ground screws by removing the top cover Interconnecting Terminals GEN2000 HART 1 Power In L 2 Power In N 3 Relay Normally Open NO 4 Relay Common C...

Page 8: ...er Earth Ground and Ground to Housing Do not apply power until thoroughly checking all the wiring Not all connections are required for operation For example Terminal 10 6V Auxiliary Input Power may no...

Page 9: ...e power input terminals are not polarity sensitive The HART signal may not operate with some isolating barriers or other non resistive loads Current Loop Output The current loop output signal is 4 20...

Page 10: ...ontains clearly labeled RS 485 connections Use shielded wire per local code at a maximum length of 2 000 ft 609 m 1 Connect positive terminals together 2 Connect negative terminals together 3 Connect...

Page 11: ...ment of a resistor 3 Hook the meter in series with the load resistor 4 Open Ohmview 2000 Perform the following steps to calibrate the current loop Set up 4 mA 1 Click Calibration Current Loop Cal 2 Cl...

Page 12: ...1 Click Setup Gauge Setup Linearizer Type 2 Click Equation Calibrate Gauge To calibrate your gauge you must complete the Standard Method 2 point or the Two Point Process Calibration steps Standard Met...

Page 13: ...ow Collect 2 Click Start 3 Click Accept 4 Enter the actual process value from the laboratory in engineering units 5 Click OK Set High Density 1 Click Calibration 2 Point Calibration Cal High Collect 2...

Page 14: ...Notes NOTES 14...

Page 15: ...there extreme build up on walls or other material that is shielding detector from radiation field Are electrical connections from sensor assembly to CPU board damaged or disconnected Process Process a...

Page 16: ...o check the system s present status click Diagnostics Diagnostics tab For historical information click the Diagnostic History and STDZ History tabs Since some conditions are self repairing such as RAM...

Page 17: ...set Note If gauge has been without power for 28 days or greater you must reset clock Sensor Temp Probe Pass Fail Sensor temp probe fail Sensor temperature probe may not be functioning which results in...

Page 18: ...CPU board detects configuration mismatch CPU board or sensor assembly may have been replaced or one of EEPROM configurations is incorrect Contact VEGA Field Service first If they concur click Diagnost...

Page 19: ...t boards are field replaceable Power Supply Board and CPU Board Test points Power Supply Board Label Description H1 HART connection H2 HART connection TP1 Isolated ground TP2 Loop current test point 2...

Page 20: ...p Jumper Setting Source mode Self powered JP1 Pins 1 2 JP2 Pins 2 3 Sink mode DCS powered JP1 Pins 2 3 JP2 Pins 1 2 LED Indicators Power Supply Board LED Description Normal Condition Error Condition R...

Page 21: ...pipe cap LED Indicators CPU Board If the LED band displays the Memory Corrupt pattern call VEGA Field Service to report this condition The gauge does not operate if the FLASH chip is corrupt CPU LEDs...

Page 22: ...ion Call VEGA Field Service Field Radiation field indicator Cycles in proportion to radiation field intensity at detector On for 10 seconds for each mR hr then off for 2 seconds Use LED 5 which blinks...

Page 23: ...ce the three 3 mounting nuts 11 Reconnect the terminal wiring connector 12 Install the plastic electronics cover 13 Install the housing cover 14 Turn on the power to the unit 15 Connect a HART communi...

Page 24: ...Notes NOTES 24...

Page 25: ...ty Officers available for onsite service emergency services or equipment start up Contact Information Telephone Number Monday through Friday 8 00 A M 5 00 P M EST Eastern Standard Time 1 513 272 0131...

Page 26: ...Notes NOTES 26...

Page 27: ......

Page 28: ...a com www vega americas com 31524 US 130403 Subject to change without prior notice 2013 VEGA Americas Inc Cincinnati Ohio USA All statements concerning scope of delivery application practical use and...

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