Mitsubishi MELSEC-Q QD77MS User Manual

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Chapter 16 Troubleshooting
Classification
of warnings
Warning
code
Warning name Warning Operation status at warning occurrence
116
Optional data monitor
data type setting error
In the optional data monitor, 2-word data is
not set correctly.
Monitoring is not carried out. "0" is stored in
Md.109 to Md.112 (Optional data monitor
output 1 to 4).
120
Control mode switching
during BUSY
Control mode switching was executed
from the position control mode to the
speed control mode/torque control mode
while BUSY was turned ON.
The control mode is not switched.
(Positioning during operation continues.)
121
Control mode switching
during zero speed OFF
Control mode was changed when "Zero
Speed" (
Md.108 Servo status) was turned
OFF.
122
Outside control mode
range
Control mode switching request was
performed by specifying a value outside
the range for "
Cd.139 Control mode setting".
The control mode is not switched.
(Current operation continues.)
123 Control mode switching
Control mode switching request was
performed during the control mode
switching.
Control mode switching request is not
accepted.
125
Control mode switching
not possible
• Control mode switching was performed
from the position control mode to the
continuous operation to torque control
mode and then from the continuous
operation to torque control mode to the
speed control mode.
• Control mode switching was performed
from the speed control mode to the
continuous operation to torque control
mode and then from the continuous
operation to torque control mode to the
position control mode.
• Control mode switching was performed
between the torque control mode and
continuous operation to torque control
mode.
The control mode is not switched.
(Current operation continues.)
130
Outside mark detection
signal setting range
The mark detection signal setting is
outside the range.
Common
warnings
131
Outside mark detection
data type setting range
The mark detection data type setting is
outside the range.
All mark detections are not operated.

Mitsubishi MELSEC-Q QD77MS Specifications

General

Brand	Mitsubishi
Model	MELSEC-Q QD77MS
Category	Control Unit
Language	English