[Al. 557_Input Device Mismatch Detection (Safety Sub-Function)] - Mitsubishi Electric MR-J5-G Series User Manual

[AL. 557_Input device mismatch detection (safety sub-function)]

• An input device mismatch was detected.
[AL. 557.1_DI1 input mismatch error A (safety sub-function)]
Cause
1.
The input signals of DI1A and DI1B remained
mismatched for longer than the specified time
([Pr. PSD18 Permissible time for mismatches
DI1]).
2.
The servo amplifier has malfunctioned.
3.
There is a problem with the surrounding
environment.
[AL. 557.9_DI1 input mismatch error B (safety sub-function)]
Page 173 [AL. 557.1_DI1 input mismatch error A (safety sub-function)]
Check/action method
Refer to "SIGNALS AND WIRING" in the following manual.
MR-J5 User's Manual (Hardware)
Set [Pr. PSD18 Permissible time for mismatches DI1] to a value longer than
the mismatched time of DI1.
Replace the servo amplifier.
Check the noise, ambient temperature, and other conditions, and implement
appropriate countermeasures for the cause.
If there is noise, take countermeasures to reduce the noise.
Refer to "Noise reduction techniques" in the following manual.
MR-J5 User's Manual (Hardware)
1 SERVO AMPLIFIER TROUBLESHOOTING
1.3 Handling methods for alarms/warnings
1
Model
[G]
[WG]
173