User`s manual

27
Wiring Chapter 2-2
2-2-5 Wiring Control Circuit Terminals
A control signal line must be 50 m maximum and separated from power lines.
The frequency reference must be input into the Inverter through shielded,
twisted-pair wires.
Wiring of Control I/O Terminals
Wire each control I/O terminal under the following conditions.
Wires and Tightening
Torque
Multi-function Contact Output (MA, MB, and MC)
Sequential Input (S1 through S5 and SC) and
Analog Monitor Output (AM or AC)
Frequency Reference Input (FR, FS, and FC)
Solderless Terminal Size The use of solderless terminals for the control circuit terminals is
recommended for the reliability and ease of connection.
Note Make sure that the wire size is 0.5 mm
2
when using the following solderless
terminal.
Terminal
screw size
Tightening
torque N•m
Wire Wire size Recommended
wire size
Cable
M3 0.5 to 0.6 Single wire 0.5 to 1.25
(20 to 16)
0.75 (18) Cable with
polyethylene
sheath
Standard
wire
0.5 to 1.25
(20 to 16)
Terminal
screw size
Tightening
torque N•m
Wire Wire size Recommended
wire size
Cable
M2 0.22 to 0.25 Single wire 0.5 to 1.25
(20 to 16)
0.75 (18) Cable with
polyethylene
sheath
Standard
wire
0.5 to 0.75
(20 to 18)
Terminal
screw size
Tightening
torque N•m
Wire Wire size Recommended
wire size
Cable
M2 0.22 to 0.25 Single wire 0.5 to 1.25
(20 to 16)
0.75 (18) Special
cable with
polyethylene
sheath and
shield for
measure-
ment use
Standard
wire
0.5 to 0.75
(20 to 18)
1.0 dia.
Model: Phoenix Contact's A1 0.5-8 WH
(Size: mm)
8
14
2.6 dia.