Rockwell Automation Allen-Bradley Guardmaster 440G-LZS21SP Series - Troubleshoot Series Circuit

Rockwell Automation Publication 440G-UM001C-EN-P - June 2019 35
Diagnostics and Troubleshooting Chapter 6
Troubleshoot Series Circuit
Green
Pink
Grey
Red
Yellow
White
Green
Pink
Grey
Red
Yellow
White
Green
Blue
Pink
Grey
Brown
Red
Yellow
White
Green
Pink
Grey
Red
Yellow
White
Green
Pink
Grey
Red
Yellow
White
Blue
Blue
Blue
Blue
Brown
Brown
Brown
Brown
+24V +24V
+24V +24V
0V0V
0V
0V
0V
0V
RTN
24V DC
Power
Supply
+24
Lock/Unlock Lock/UnlockLock/UnlockLock/UnlockLock/Unlock
Recoverable
Fault
Actuator 1 is in sensing range
and guard is locked.
Guard 1 functions properly.
OSSDs are energized to 24V.
Green LED is ON.
Actuator 2 is in sensing range
and guard is locked.
Guard 2 functions properly.
OSSDs are energized to 24V.
Green LED is ON.
Actuator 3 is in sensing
range and guard is locked.
Guard 3 has a fault.
See Diagnostic table.
Red LED is ashing.
Actuator 4 is in sensing range
and guard is locked. Guard
4 functions properly. Series
inputs are 0V. OSSDs are
de-energized to 0V. Green
LED is ashing to indicate
series inputs are not 24V.
Actuator 5 is in sensing range
and guard is locked. Guard 5
functions properly.
Series inputs are 0V. OSSDs
are de-energized to 0V. Green
LED is ashing to indicate
series inputs are not 24V.
OSSDs
are OFF
Switch 1 Switch 2 Switch 3 Switch 4 Switch 5