Yaskawa Sigma-5 Safety Precautions for SGDV Servo Amplifier - Manual (Page 20)

E-18
Wire Size and Tightening Torque for Terminal Screws
* 1. The tightening torque is 1.8 N x m for the following terminal on the SGDV-330A
SERVOPACK.
・ Servomotor connection terminals (U, V, W)
* 2. The tightening torque is 2.5 to 3.8 N x m for the following terminal on the
SGDV-470A, -550A, -590A, and -780A SERVOPACKs.
・ Ground terminal ( )
* 3. The tightening torque is 1.4 N x m for all terminals other than the ground terminal
( ) on the SGDV-8R4D and -120D SERVOPACKs.
* 4. The screw size is M5 and the tightening torque is 2.4 N x m for the following ter-
minals on the SGDV-170D SERVOPACK.
・ Main circuit power-supply input terminals (L1, L2, L3)
・ Servomotor connection terminals (U, V, W)
The screw size is M4 and the tightening torque is 1.8 N x m for the following ter-
minals on the SGDV-170D SERVOPACK.
・ Control power input terminals (24 V, 0 V)
SERVOPACK
Model SGDV-
Terminal Symbol and Wire Size(mm
2
)
Terminal
Screw
Size
Tightening
Torque
(N x m) L1, L2, L3 U, V, W L1C, L2C
/24V, 0V B1/+, B2
180A HIV
3.5
HIV
3.5
HIV
1.25
HIV
2.0
HIV2.0
or more
M4
1.2 to 1.4*
1
200A HIV
5.5
HIV
3.5
330A HIV
5.5
HIV
8.0
HIV
5.5
470A HIV
8.0
HIV
14.0
HIV
8.0
M6
4.5 to 5.5*
2
550A HIV
14.0
590A HIV
22.0
HIV
22.0
HIV
22.0
780A
8R4D HIV
2.0
HIV
2.0
HIV
1.25
HIV
1.25
HIV2.0
or more
M4*
3
1.2 to 1.4*
3
120D
170D
HIV
3.5
HIV
3.5
HIV
2.0
M5*
4
1.6 to 2.4*
4
210D HIV
3.5
HIV
5.5
HIV
3.5
M6*
5
4.5 to 5.5*
5
260D HIV
5.5
280D HIV
8.0
HIV
8.0
HIV
5.5
370D HIV
14.0
HIV
14.0
HIV
8.0