Mitsubishi Electric MELSEC Q Series, Руководство пользователя

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Chapter 16 Troubleshooting
Classification
of warnings
Warning
code
Warning name Warning Operation status at warning occurrence
Positioning
operation
warnings
518
Target position change
not possible
• A target position change request was
given for the control method other than
ABS1 and INC1.
• A target position change request is
turned ON during continuous path
control.
• A new target position address is outside
the software stroke limit range.
• A target position change request was
given during deceleration to a stop.
• A target position change request was
issued when speed change 0 flag
([Md.31] Status: b10) was ON.
The target position change is not carried
out.
520 Torque limit value over
• A value exceeding "[Pr.17] Torque limit
setting value" is set to "[Cd.143]
Command torque at torque control
mode" at torque control mode. The torque is controlled with the torque
limit setting value.
521
Torque initial value
selection invalid
• At switching the control mode, the servo
parameter "Function selection C-B POL
reflection selection at torque control
(PC29)" is "0: Enabled" on the axis that
set feedback torque into the torque initial
value selection.
The torque initial value selection is
controlled as the command torque.
Servo
amplifier
2000 Servo amplifier warning Warning occurs on the servo amplifier. The operation continues.