5 - 2
5. OPERATION
5.1.2 Wiring check
(1) Power supply system wiring
Before switching on the main circuit and control circuit power supplies, check the following items.
(a) Power supply system wiring
The power supplied to the power input terminals (L
1
, L
2
, L
3
, L
11
, L
21
) of the servo amplifier should satisfy
the defined specifications. (Refer to section 1.2.)
(b) Connection of servo amplifier and servo motor
1) The servo motor power output (U, V, W) of the servo amplifier match in phase with the power input
terminals (U, V, W) of the servo motor.
M
U
V
W
U
V
W
Servo amplifier
Servo motor
2) The power supplied to the servo amplifier should not be connected to the servo motor power output
(U, V, W). To do so will fail the connected servo amplifier and servo motor.
M
U
V
W
U
V
W
L
1
L
2
L
3
Servo amplifier
Servo motor
3) The earth terminal of the servo motor is connected to the protective earth (PE) terminal of the servo
amplifier.
Reduce the auto tuning response (parameter No.PA09).
M
Servo amplifier
Servo motor
4) P
1
-P
2
(For 11kW or more, P
1
-P) should be connected.
P
1
P
2
Servo amplifier
(c) When option and auxiliary equipment are used
1) When regenerative option is used under 3.5kW for 200V class and 2kW for 400V class
The lead between P terminal and D terminal of CNP2 connector should not be connected.
The generative brake option should be connected to P terminal and C terminal.
A twisted cable should be used. (Refer to section 14.2.)
Summary of Contents for Melservo-J3 Series MR-J3-B
Page 19: ...10 MEMO ...
Page 55: ...1 36 1 FUNCTIONS AND CONFIGURATION MEMO ...
Page 61: ...2 6 2 INSTALLATION MEMO ...
Page 179: ...4 58 4 SIGNALS AND WIRING MEMO ...
Page 241: ...5 62 5 OPERATION MEMO ...
Page 357: ...10 16 10 SPECIAL ADJUSTMENT FUNCTIONS MEMO ...
Page 385: ...11 28 11 TROUBLESHOOTING MEMO ...
Page 397: ...12 12 12 OUTLINE DRAWINGS MEMO ...
Page 755: ...17 70 17 SPEED CONTROL OPERATION MEMO ...
Page 793: ...App 38 APPENDIX MEMO ...
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