Transducer dc bias is monitored on all signals, Important – Rockwell Automation 1440-VSE02-01RA XM-122 gSE Vibration Module User Manual

Page 197

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Publication GMSI10-UM013D-EN-P - May 2010

Wiring Connections for Previous Module Revisions 187

Figure D.8 Two IEPE Accelerometers and a Non-Contact Sensor Wiring

IMPORTANT

The module’s 24 V power supply (terminal 25) is providing
24 V power to the IEPE accelerometer constant current
diodes. Refer to Appendix A for power specifications.

Make certain the IEPE Power parameter is enabled for
both channel 1 and channel 2. Refer to Channel Transducer
Parameters on page 58.

IMPORTANT

Transducer DC bias is monitored on all signals.

TYPICAL WIRING FOR TWO IEPE ACCELEROMETERS AND

NON-CONTACT SENSOR TO XM-122 VIBRATION MODULE

Shield

Pin A - Signal
Pin B - Common

Cable shield not
connected at this end

0

16

22

6

21

Channel 1 Input Signal

Signal Common

5

37

SIG

-24

COM

17

1

Signal Common

Channel 2 Input Signal

-24V DC

25

Pin A - Signal
Pin B - Common

Cable shield not
connected at this end

Shield

36

20

4

Tach Input Signal

Common

13

Shield

Shield
Floating

Isolated Sensor Driver

18

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