Mitsubishi Electric MELSEC-Q Series - Page 522

APP - 31
APPENDICES
Table 1.10 Absolute position system error (1200 to 1299) list (Continued)
Error
code
Control mode
Error cause
Error
processing
Corrective action
Positioning Fixed-pitch feed Speed Speed-position switching Speed switching Constant-speed JOG Manual pulse generator Home position return Position follow-up control OSC Speed control with fixed
p
osition sto
p
Speed-torque control
1203
• The amount of change in
encoder current value is
excessive during operation.
A continual check is
performed (both of servo ON
and OFF states) after the
servo amplifier power has
been turned ON.
(Q17
DCPU(-S1) use)
Home
position
return
request ON
• Check the motor and encoder
cables.
1204
• The following expression
holds: "Encoder current
value [pulse]
feedback
current value [pulse]
(encoder effective bit
number)" during operation.
A continual check is
performed (both of servo ON
and OFF states) after the
servo amplifier power has
been turned on.
(Q17
DCPU(-S1) use)
1205
• The following expression
holds: "Encoder current
value [pulse]
feedback
current value [pulse]
(encoder effective bit
number)" during operation.
A continual check is
performed (both of servo ON
and OFF states) after the
servo amplifier power has
been turned on.
Operation
continues.
(Home
position
return signal
does not turn
ON.)