12.3  SERVOPACK Main Circuit Wires
 12.3.4  DC Power Supply Wires for Σ-7S SERVOPACKs
12
SERVOPACK Peripheral Devices
12-17
*1. Do not wire the following terminals: L1, L2, L3, B2, B3,  1, and   terminals.
*2. If you do not use the recommended Servomotor Main Circuit Cable, use this table to select wires.
590A
Servomotor Main Cir-
cuit Cables
U, V, W
AWG4 (22 mm
2
)
M6 2.7 to 3.0
Control Power Supply 
Cables
L1C, L2C
AWG16 (1.25 mm
2
)
M6 2.7 to 3.0
Main Circuit Power 
Supply Cables
B1/ , 2
AWG3 (30 mm
2
)
M6 2.7 to 3.0
Ground Cable
AWG14 (2.0 mm
2
) or larger
M6 2.7 to 3.0
780A
Servomotor Main Cir-
cuit Cables
U, V, W
AWG3 (30 mm
2
)
M6 2.7 to 3.0
Control Power Supply 
Cables
L1C, L2C
AWG16 (1.25 mm
2
)
M6 2.7 to 3.0
Main Circuit Power 
Supply Cables
B1/ , 2
AWG3 (30 mm
2
)
M6 2.7 to 3.0
Ground Cable
AWG14 (2.0 mm
2
) or larger
M6 2.7 to 3.0
Continued from previous page.
SERVOPACK 
Model: SGD7S-
Term in a l S ymb ol s
*1
Wire Size
Screw 
Size
Tightening 
Torq u e
[N⋅m]
+
+
-