Manual
Publication GMSI10-UM013D-EN-P - May 2010
Installing the XM-122 gSE Vibration Module 19
WARNING
EXPLOSION HAZARD
Do not disconnect equipment unless power has been
removed or the area is known to be nonhazardous.
Do not disconnect connections to this equipment unless
power has been removed or the area is known to be
nonhazardous. Secure any external connections that mate
to this equipment by using screws, sliding latches, threaded
connectors, or other means provided with this product.
Terminal Block Assignments
No. Name Description
0 Xducer 1 (+) Vibration transducer 1 connection
1 Xducer 2 (+) Vibration transducer 2 connection
2 Buffer 1 (+) Vibration signal 1 buffered output
3 Buffer 2 (+) Vibration signal 2 buffered output
4 Tach/Signal In (+) Tachometer transducer/signal input, positive side
5 Buffer Power 1 IN Channel 1 buffer power input
Connect to terminal 6 for positive biased transducers or terminal 21 for
negative biased transducers
6 Positive Buffer Bias Provides positive (-5 V to +24 V) voltage compliance to buffered outputs
Connect to terminals 5 (CH 1) and 22 (CH 2) for positive bias transducers
7 TxD PC serial port, transmit data
8 RxD PC serial port, receive data
9
XRTN
1
Circuit return for TxD and RxD
10 Chassis Connection to DIN rail ground spring or panel mounting hole
11 4-20 mA 1 (+) 4-20 mA output
300 ohm maximum load
12 4-20 mA 1 (-)
13 Chassis Connection to DIN rail ground spring or panel mounting hole
14 Chassis Connection to DIN rail ground spring or panel mounting hole
15 Chassis Connection to DIN rail ground spring or panel mounting hole
16
Xducer 1 (-)
1
Vibration transducer 1 connection
17
Xducer 2 (-)
1
Vibration transducer 2 connection
18
Signal Common
1
Vibration buffered output return
19 TACH Buffer Tachometer transducer/signal output
20 Tachometer (-) Tachometer transducer/signal return, TACH Buffer return
21 Buffer/Xducer Pwr (-) Provides negative (-24 V to +9 V) voltage compliance to buffered outputs
Connect to terminals 5 (CH 1) and 22 (CH 2) for negative bias transducers
Transducer power supply output, negative side; used to power external
sensor (40 mA maximum load)