Omron 3G3RX - Wiring Overview; Power Wiring

RX Quick Start Guide
10 RX Quick Start Guide
2.5 Wiring overview
2.6 Power wiring
Terminal n a me Purpose Details
R, S, T
(L1, L2, L3)
Main power supply input terminals Connect the input power supply
U, V, W
(T1, T2, T3)
Inverter output terminals Three phase motor connection
PD/+1, P/+ External DC reactor terminal
Remove the short-circuit bar between terminals “PD/+1” and “P/+”, and connect the optional power
factor improvement DC reactor.
P/+, RB Braking resistor connection terminals
Connect optional external braking resistors. (The RB terminal is provided for the inverters with
22KW or lower capacity.)
P/+, N/-
Regenerative braking unit connection
terminal
Connect optional regenerative braking units.
Ground terminals
Inverter case ground terminal. Connect this terminal to the ground.
Type-D (200V class), type-C (400V class)
DC reactor
(optional)
3-phase 200 V AC
3-phase 400 V AC
Multi-function input 1
Multi-function input 2
Multi-function input 3
Multi-function input 4
Multi-function input 5
Multi-function input 6
Multi-function input 7
Multi-function input 8
Frequency reference power supply
Frequency setting unit
500 to 2 k
Frequency reference input (voltage)
Frequency reference auxiliary input (voltage)
Frequency reference input (current)
Frequency reference common
Sequence input common
M
R/L1
PD/+1 P/+
Braking resistor
(optional)
RBN/-
T/L3
R
T
Ro
To
S/L2
U/T1
W/T3
12
Multi-function output 2
13
Multi-function output 3
14
Multi-function output 4
15
Multi-function output 5
CM2
SP
SN
RP
SN
AM
AMI
FM
Option 1
Option 2
Multi-function output common
11
Multi-function output 1
Relay output *1
Common
V/T2
1
FW
PLC
CM1
4
P24
CM1
Thermistor
TH
H
OI
L
*1
O
O2
3
2
5
RS485 communication
6
7
8
Short-circuit
wire
To wire the control circuit power
supply and main circuit power
supply separately, be sure to
remove the J51 connector
wire first.
Control circuit
power supply
J51
For termination
resistors
Analog monitor output
(voltage output)
Analog monitor output
(current output)
Digital monitor output
(PWM output)
AL1
AL2
AL0
*1
L is the common reference for analog input and also for analog output.
DC24V
DC10V
100
10k
10k