Yaskawa VS-626 MC5 - Manual (Page 53)

Wiring
3.5.1 Wire Sizes and Closed-loop Connectors
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3.5 Wiring Control Circuit Terminals
A control signal line must not be longer than 50 m and must be separated from power lines.
The frequency reference must be input to the Inverter through twisted-pair wires.
3.5.1 Wire Sizes and Closed-loop Connectors
Terminal numbers and wire sizes are shown in Table 3.7.
Table
3.7 Terminal Numbers and Wire Sizes (Same for all Models)
Terminals
Terminal
Screws
Wire Thickness
[mm 2 ]
Wire Type
1 to 11 13 to 33 M3.5
Stranded wire: 0.5 to
1.25
Single wire: 0.5 to 1.25
S Shielded, twisted-pair wire
S Shielded, polyethylene-covered, vinyl sheath
cable
12 (G) M3.5 0.5 to 2
cable
The closed-loop connectors and tightening torques for various wire sizes are shown in Table 3.8.
Table
3.8 Closed-loop Connectors for Ground Terminal
Wire Thickness
[mm 2 ]
Terminal
Screws
Crimp Size Tightening Torque (N m
0.5 1.25 to 3.5
0.75
M3 5
1.25 to 3.5
0 8
1.25
M3.5
1.25 to 3.5
0.8
2 2 to 3.5
3