Omron SYSDRIVE 3G3MV - Wiring Control Circuit Terminals

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
s
h
e
a
t
h
Stranded
wire
0.5 to 1.25
(20 to 16)
p
o
l
y
e
t
h
y
l
e
n
e
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
s
h
e
a
t
h
Stranded
wire
0.5 to 0.75
(20 to 18)
p
o
l
y
e
t
h
y
l
e
n
e
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
a
n
d
s
h
i
e
l
d
f
o
r
0
.
2
5
Stranded
wire
0.5 to 0.75
(20 to 18)
p
o
l
y
e
t
h
y
l
e
n
e
s
h
e
a
t
h
and shield for
measurement use
Design Chapter 2