Wiring Overview - Omron 3G3MX2 Quick Start Manual

MX2 Quick Start Guide

2.4 Wiring overview

Breaker, MCCB
or GFI,
Fuses
Power source,
3-phase or
1-phase, per
inverter model
Intelligent inputs,
7 terminals
Forward
NOTE:
For the wiring of intelligent
Reverse
I/O and analog inputs,
be sure to use twisted
External Trip
pair / shielded cable.
Attach the shielded wire
Reset
for each signal to its
respective common
Multi-speed 1
terminal at the inverter
end only.
Input impedance of
Multi-speed 2
each intelligent input is
4.7 kΩ
Jog
Short bar
Thermistor
(Source type)
GND for logic inputs
Freq. Meter
Volt. Meter
Analog reference
GND for analog signals
10
AC Reactor
R
(L1 )
S
(L2 )
T
N (L3 )
24V
+ -
P24
1
2
Input
3/GS1
circuits
4/GS2
[5] configurable as
5/PTC
discrete input or
thermistor input
6
7/EB
PLC
L
L
EO
L
AM
transceiver
L
H
0~10VDC
O
Apprx.10 Ω
4~20mA
OI
Apprx.100 Ω
Pulse train input
24 VDC 32 kHz max.
L
EA
L
MX2
Output circuit
Termination resistor (200 Ω)
(Change by slide switch)
RS485
transceiver
L
10 VDC
+
-
RS485
transceiver
L
USB
transceiver
L
L
Option port
controller
L
L
Shielded motor cable
Output
to minimize emitted EMC
dV/dt
Groudn both ends
U
(T1)
V
(T2)
W
(T3)
PD/+1
DC reactor
(optional)
P/+
Brake Braking
RB
resistor unit
(optional) (optional)
N/-
AL1
Relay contacts,
type 1 Form C
AL0
AL2
Open collector output
RUN
11/EDM
Load
Freq. arrival signal
12
Load
+
-
CM2
Common for logic outputs
SP
Serial communication port
(RS485/ModBus)
SN
RJ45 port
(Optional operator port)
USB (mini-B) port
(PC communication port)
USB power: Self power
Option port connector
MX2 Quick Start Guide
Motor