4. STARTUP
4 - 3
4.1.2 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 1.3.)
(b) Connection of servo amplifier and servo motor
1) The servo motor power supply terminals (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 supply
terminals (U, V, W). To do so will fail the connected servo amplifier and servo motor.
U
V
W
U
V
W
M
Servo amplifier
Servo motor
3) The earth terminal of the servo motor is connected to the PE terminal of the servo amplifier.
M
Servo amplifier
Servo motor
4) The built-in regenerative resistor is connected to the P terminal and the C terminal.
Servo amplifier
P
C
Built-in
regenerative
resistor
(c) When option and auxiliary equipment are used
When regenerative option is used
The generative brake option should be connected to P terminal and C terminal.
A twisted cable should be used. (Refer to section 11.2.)
Summary of Contents for MELSERVO-J3W Series
Page 17: ...8 MEMO ...
Page 27: ...1 FUNCTIONS AND CONFIGURATION 1 10 MEMO ...
Page 87: ...4 STARTUP 4 14 MEMO ...
Page 117: ...5 PARAMETERS 5 30 MEMO ...
Page 129: ...6 GENERAL GAIN ADJUSTMENT 6 12 MEMO ...
Page 185: ...10 CHARACTERISTICS 10 8 MEMO ...
Page 241: ...11 OPTIONS AND AUXILIARY EQUIPMENT 11 56 MEMO ...
Page 274: ...13 USING A LINEAR SERVO MOTOR 13 25 1 2 3 4 ...