Delta ASD-A3-0121, Руководство пользователя

Страница: 537 / 603

Troubleshooting ASDA-A3
11-32
Revision December, 2017
11
STO type:
AL500 STO function is enabled
Trigger condition
and causes
Safe torque off function (STO) is enabled.
Checking methods
and corrective
actions
Safe torque off function (STO) is enabled. Please check why it is enabled.
How to clear the
alarm?
1. Use DI.ARST or 0x6040.Fault Reset, or set P0.001 to 0.
2. If not using STO, plug the short circuit device into CN10 or wiring to
short circuit the block. Follow the instructions in Section 3.9.3 for the
STO wiring.
AL501 STO_A loss (signal loss or signal error)
Trigger condition
and causes
Loss of STO_A signal or STO_A and STO_B signals are not synchronized
for more than 1 sec.
Checking
methods and
corrective actions
Make sure the wiring of STO_A is correct.
How to clear the
alarm?
Cycle power on the servo drive.
AL502 STO_B loss (signal loss or signal error)
Trigger condition
and causes
Loss of STO_B signal or STO_A and STO_B signals are not synchronized
for more than 1 sec.
Checking methods
and corrective
actions
Make sure the wiring of STO_B is correct.
How to clear the
alarm?
Cycle power on the servo drive.
AL503 STO self-diagnostic error
Trigger condition
and causes
An error occurs during STO self-diagnosis.
Checking methods
and corrective
actions
Make sure the wiring of STO_A and STO_B are correct.
How to clear the
alarm?
If the wiring is correct, it might be that the STO circuit is causing the error.
Please contact the distributor.