Sto-Related Fault Codes - Allen-Bradley Kinetix 5100 2198-E1004-ERS User Manual

STO-related Fault Codes

For fault codes and descriptions, see the Knowledgebase document 1090034,
Kinetix 5100 Servo Drive Parameter Data and Fault Codes. For information on
how to clear faults, see
Figure 191 demonstrates when the safe torque-off mismatch is detected and fault
E 501 (STO_A signal loss) or E 502 (STO_B signal loss) is posted.
Figure 191 - System Operation in the Event that the Safety Enable Inputs Mismatch
STO_A (S1)
STO_B (S2)
STO Fault Code E 501
ServoOutputStatus/Servo Ready, Bit 0
When the STO self-diagnostic (STO circuit and wiring, for example) fails, fault
E 503 is posted.
Figure 192 demonstrates when both inputs in the OFF state are detected and
fault E 500 (STO enabled) is posted.
Figure 192 - System Operation When Both Safety Enable Inputs are in OFF State Simultaneously
STO_A (S1)
STO_B (S2)
STO Fault Code E 500
ServoOutputStatus/Servo Ready, Bit 0
ATTENTION: The safe torque-off fault is detected upon demand of the Safe
Torque Off (STO) function. After troubleshooting the STO function or
performing maintenance that might affect the STO function, the STO function
must be executed to verify correct operation.
Rockwell Automation Publication 2198-UM004A-EN-P - October 2019
Kinetix 5100 Safe Torque Off (STO) Feature
Clear Faults on page
24V DC
0V DC
24V DC
0V DC
1 Second
1
0
1
0
24V DC
0V DC
24V DC
0V DC
10 ms
1
0
1
0
431.
Chapter 13
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