Allen-Bradley Guardmaster User Manual page 85

Safety relays
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Figure 84 - Measure Y32 Voltage
+24V DC
CI, DI, DIS or SI
A1
DMM
PWR/Fault
23
OUT
Volts
A2
Y32
0V
Check the X32 Output
When OUT status indicator is OFF, terminal X32 does not turn ON.
TIP This is proper operation for the EM and EMD relays if they are in a non-
recoverable faulted state. If so, then the PWR/Fault status indicator is solid
red or flashing red.
Correct the fault and cycle power. The relay may need to be reconfigured to
correct the fault.
If the PWR/Fault status indicator is green, then measure the voltage at
terminal X32 with a digital multimeter.
(point 1) as the source for the monitoring circuit. The voltage must be around
23V DC. If it is 23V, then follow the circuit and check the voltage at each of
the remaining points (2...6). If X32 measures 0V, then the relay must be
replaced.
Figure 85 - Measure X32 Voltage
+24V DC
EM or EMD
A1
DMM
PWR/Fault
23
OUT
Volts
A2
0V
Rockwell Automation Publication 440R-UM013E-EN-P - March 2017
PLC
Input
1
2
Com
4
3
5
Figure 85
CI, DI, DIS or SI
A1
PWR/Fault
OUT
X32
A2
S34
1
2
3
4
5
Troubleshooting
Chapter 11
shows a typical usage of X32
6
85
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