Mitsubishi Electric MR-J2M-P8B Instruction Manual page 6

(2) Wiring
Wire the equipment correctly and securely. Otherwise, the servo motor may misoperate.
Do not install a power capacitor, surge absorber or radio noise filter (FR-BIF option) between the servo
motor and drive unit.
Connect the output terminals (U, V, W) correctly. Otherwise, the servo motor will operate improperly.
Connect the servo motor power terminal (U, V, W) to the servo motor power input terminal (U, V, W)
directly. Do not let a magnetic contactor, etc. intervene.
Do not connect AC power directly to the servo motor. Otherwise, a fault may occur.
The surge absorbing diode installed on the DC output signal relay of the servo amplifier must be wired in
the specified direction. Otherwise, the forced stop and other protective circuits may not operate.
(3) Test run adjustment
Before operation, check the parameter settings. Improper settings may cause some machines to perform
unexpected operation.
The parameter settings must not be changed excessively. Operation will be insatiable.
CAUTION
Drive unit
U
V
W
Interface unit
VIN
SG
Control output
RA
signal
CAUTION
A - 4
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Servo Motor
U
V
W
Interface unit
VIN
SG
Control output
RA
signal