[Al. 068_Sto Diagnosis Error] - Mitsubishi Electric MR-J5-G Series User Manual

[AL. 068_STO diagnosis error]

• An error was detected in the STO input signal.
[AL. 068.1_STO signal mismatch error]
Cause
1.
STO1 or STO2 is inputted incorrectly.
2.
The input status of STO1 and STO2 are
different.
3.
The setting of [Pr. PF18 STO diagnosis error
detection time] is incorrect.
4.
The STO circuit has malfunctioned.
5.
There is a problem with the surrounding
environment.
Check/action method
Check that STO1 and STO2 of the CN8 connector are wired correctly.
Refer to "USING STO FUNCTION" in the following manual.
MR-J5 User's Manual (Hardware)
If the on/off status of STO1 and STO2 are different, create the same input
status for STO1 and STO2.
Set a longer time in the servo parameter setting, then check the repeatability. If
the error does not repeat, review the value of the servo parameter.
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
[A]
[G]
[WG]
75