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