Omron SYSDRIVE 3G3MV A2002, User Manual

Page: 61 / 348

2-38
2-2-4 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.
H
Wiring Control I/O Terminals
Wire each control I/O terminal under the following conditions.
D
Wires and Tightening Torque
Multi-function Contact Output (MA, MB, and MC)
Terminal
screw size
Tightening
torque N
S
m
Wire Wire size
mm
2
(AWG)
Recom-
mended
wire size
mm
2
(AWG)
Cable
M3 0.5 to 0.6 Single wire 0.5 to 1.25
(20 to 16)
0.75 (18) Cable with
polyethylene
sheath
Stranded
wire
0.5 to 1.25
(20 to 16)
polyethylene
sheath
Sequential Input (S1 through S7 and SC), Multi-function Photocoupler
Output (P1, P2, PC), RS-422/485 Communications (R+, R--, S+, S--) and
Multi-function Analog Output (AM or AC), and Pulse Train Input (RP)
Terminal
screw size
Tightening
torque N
S
m
Wire Wire size
mm
2
(AWG)
Recom-
mended
wire size
mm
2
(AWG)
Cable
M2 0.22 to 0.25 Single wire 0.5 to 1.25
(20 to 16)
0.75 (18) Cable with
polyethylene
sheath
Stranded
wire
0.5 to 0.75
(20 to 18)
polyethylene
sheath
Frequency Reference Input (FR, FS, and FC)
Terminal
screw size
Tighten-
ing torque
N
S
m
Wire Wire size
mm
2
(AWG)
Recom-
mended
wire size
mm
2
(AWG)
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
0.25
Stranded
wire
0.5 to 0.75
(20 to 18)
polyethylene sheath
and shield for
measurement use
Design Chapter 2