Standard Connections; Terminal Block Specifications - Omron MX2 - DATASHEET 1 Datasheet

Standard connections

Breaker, MCCB
or GFI
Power source,
3-phase or
1-phase, per
inverter model
Intelligent inputs,
7 terminals
NOTE: For the wiring
of intelligent I/O and
analog inputs, be sure
to use twisted pair/
shielded cable. Attach
the shielded wire for
each signal to its
respective common
terminal at the inverter
end only.
Input impedance of
each intelligent input is
4.7kΩ
Thermistor
Short bar
(Source type)
GND for logic inputs
Meter
Meter
Analog reference
Pulse train input
24Vdc 32kHz max.
GND for analog signals

Terminal Block Specifications

Terminal
Main circuit power supply input
R/L1, S/L2, T/L3
Inverter output
U/T1, V/T2, W/T3
External DC reactor terminal
PD/+1, P/+
Regenerative braking unit terminal
P/+, N/-
Braking resistor terminals
P/+, RB
Grounding
MX2
R
(L1)
S
(L2)
T
N(L3)
24V
P24
+ -
Forward
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
AM
H
0~10VDC
O
Apprx.10kΩ
4~20mA
OI
Apprx.100Ω
EA
L
Name
MX2
Output circuit
Termination resistor (200Ω)
(Change by slide switch)
L
RS485
transceiver
L
L
10Vdc
+
- RS485
transceiver
L
L
USB
transceiver
L
L
Option port
controller
L
L
Used to connect line power to the drive.
Drives with single-phase 200 V input power use only terminals R/L1 and N (T/L3), terminal
S/L2 is not available for these units
Used to connect the motor
Normally connected by the short-circuit bar. Remove the short-circuit bar between +1 and P/
+2 when a DC reactor is connected.
Connect optional regenerative braking units (If a braking torque is required)
Connect option braking resistor (if a braking torque is required)
For grounding (grounding should conform to the local grounding code.)
U
(T1)
V
(T2)
W
(T3)
PD/+1
DC reactor
(optional)
P/+
Braking
Brake
resistor
RB
(optional)
(optional)
N/-
AL1
Relay contacts,
type 1 Form C
AL0
AL2
Open collector output
Freq. arrival signal
11/EDM
Load
12 Load
+
-
CM2
GND 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
Function (signal level)
Motor
unit
7