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3G3MX2-

…

-E

Multi-function Compact Inverter

NT321XC-EN

Cat.No.

Manual Name

INSTRUCTION MANUAL

Thank you for purchasing 3G3MX2 Inverter.
To ensure the safe operation, please be sure to read the safety 
precautions provided in this document along with all of the user 
manuals for the inverter. Please be sure you are using the most 
recent versions of the user manuals. Keep this instruction manual 
and all of the manuals in a safe location and be sure that they are 
readily available to the final user of the products.

OMRON Corporation

©OMRON Corporation 2012 All Rights Reserved.

MX2 Series User’ s Manual

I570-E2

2272699-9B

Names of Parts

Modbus-RTU Termination resistor 
selector switch

Safety function selector switch

USB connector (mini-B)

Connector for 
optional board

Multi-function contact 
terminal block

CHARGE indicator

Connector for 
Digital Operator (RJ45)

EDM function 
selector switch

Control circuit 
terminal block A

Control circuit 
terminal block B

Main circuit 
terminal block

Disable

Ù

 Enable

Off 

Ù

 On

Disable

Ù

 Enable

Installation and Wiring

„

Dimensions

W

W1

H

H1

D

A2150-E

175

336

AB007-E, AB015-E, AB022-E
A2015-E, A2022-E, A4007-E
A4015-E, A4022-E, A4030-E

350

192

220

[mm]

A2110-E
A4110-E, A4150-E

180

160

296

284

175

A2055-E, A2075-E
A4055-E, A4075-E

140

122

260

248

155

A2037-E
A4040-E

140

128

128

118

170.5

A4004-E

108

96

128

118

170.5

143.5

A2007-E

AB004-E
A2004-E

AB001-E, AB002-E
A2001-E, A2002-E

3G3MX2-

W

W1

H

H1

D

68

56

128

118

145.5

122.5

109

„

Standard Connection Diagram

Ú

Connect a single-phase 200V AC input to terminals R/L1 and T/L3(N).

Ú

Factory default settings for relay output are NC contact for AL1 and NO 
contact for AL2.

Single-phase/
3-phase
power supply

Short-circuit
bar

Short-circuit bar

Motor

ELB

MC

R/L1(L1)
S/L2
T/L3(N)

AL0

7/EB

5/PTC

4/GS2

3/GS1

2

1

H

O

OI

EA

AM

E0

SN

SP

CM2

11/EDM

12

AL2

AL1

N/-

L

6

P24

DCL

PLC

L

Multi-function input 
(7 contacts)

Multi-function output 
(2 terminals)

Multi-function contact output

Braking resistor

NŸPLQ

10V DC power supply

(7 mA max.)

Analog voltage input

0 to 10 V (10 bits)

Analog voltage output

0 to 10 V (10 bits)

Type-D (200V class)
Type-C (400V class)

Analog current input

4 to 20 mA (10 bits)

Pulse input

5 to 24 V DC

(32 kHz max.)

Pulse output

0 to 10 V (32 kHz max.)

Serial communications port
(RS485/Modbus-RTU)

RB

P/+

PD/+1

W/T3

V/T2

U/T1

M

3~

To connect the DC 
reactor (DCL), remove 
the short-circuit bar.

In case two or more 
inverters are connected 
to common I/O wiring, 
special care to be taken 
to avoid closed loop 
circuit. Please refer to 
user’ s manual.

Keys

Name

Description

Mode key

Increment key

Decrement key

RUN key

STOP/RESET
key

Enter key

Switches the function code group to next when 
function code is displayed.
Switches to function code without data settings when 
data is displayed.

„

Status transition

Changes the set values, parameters and Commands

Starts the operation. Forward / Reverse rotation 
depends on the ‘F004’ setting.

Stops the operation. Functions as the Reset key
if an error occurs.

Enters and stores the data.

Parameter

No.

Function name

Monitor or data range

Regenerative braking load
rate monitor

d001

Output frequency monitor

0.00 to 400.0

d002

Output current monitor

0.0 to 655.3

d003

Rotation direction monitor

F: forward /o: stop /r: reverse

d004

PID feedback value monitor

0.00 to 9999.

d007

Output frequency monitor
(after conversion)

0.00 to 9999.

d008

Real frequency monitor

-400. to 400.

d009

Torque reference monitor

-200. to +200.

d010

Torque bias monitor

-200. to +200.

d012

Output torque monitor

-200. to +200.

d013

Output voltage monitor

0. to 600.

d014

Input power monitor

0.0 to 100.0

d015

Integrated power monitor

0.0 to 9999.

d016

Total RUN time

0.0 to 9999.

d017

Power ON time

0.0 to 9999.

d018

Fin temperature monitor

-20.0 to 150.0

d029

Position command monitor

-268435455 to 268435455
(Displays MSB 4 digits including)

d030

Current position monitor

-268435455 to 268435455
(Displays MSB 4 digits including)

d080

Fault counter

0. to 9999.

d081

to d086

Fault monitor1 (latest) 

~ Fault monitor6

Error code (condition of occurrence) 

ĺ2XWSXWIUHTXHQF\ĺ2XWSXWFXUUHQW
ĺ,QWHUQDO'&YROWDJHĺ581WLPHĺ21WLPH

d090

Warning monitor

Warning code

d102

DC voltage monitor

0.0 to 999.9

d103

0.0 to 100.0

d104

Electronic thermal monitor

0.0 to 100.0

F001

Output frequency setting

Starting frequency to max. frequency

F002

Acceleration time1

0.01 to 3600.

F003

Deceleration time1

0.01 to 3600.

F004

Operator rotation direction 
selection

00: forward
01: reverse

A001

Frequency reference 
selection

00: Digital Operator(volume)
(Enable when 3G3AX-OP01 is used) /
01: Terminal /02: Digital Operator(F001) /
03: Modbus communication /04: Option / 
06: Pusle train frequency /07: Drive 
Programming /10: Frequency operation result

A002

RUN command selection

01: Terminal /02: Digital Operator /
03: Modbus communication /04: Option

A003

Base frequency

30.0 to max. frequency

A004

Maximum frequency

Base frequency to 400.

A005

O/OI selection

00:Switch between O and OI terminals
02:Switch between O terminal and keypad 
potentiometer /03:Switch between OI terminal 
and keypad potentiometer

A019

Multi-step speed selection

00: Binary(16-step selection with 4 terminals)
01: bit (8-step selection with 7 terminals)

A020

Multi-step speed reference 0

0.00, /Starting frequency to max. frequency

A021

to A035

Multi-step speed reference 1 to 15

0.00, /Starting frequency to max. frequency

A038

Jogging frequency

Starting frequency to 9.99

A039

Jogging stop selection

00: Free running on jogging stop, Disabled in 
operation /01: Deceleration stop on jogging 
stop, Disabled in operation /02: DC injection 
braking on jogging stop, Disabled in operation/
03: Free running on jogging stop, Enabled in 
operation /04: Deceleration stop on jogging 
stop, Enabled in operation /05: DC injection 
braking on jogging stop, Enabled in operation

A045

Output voltage gain

20. to 100.

A097/A098

Acceleration / Deceleration 
pattern selection

00: Linear /01: S-shape curve /02: U-shape 
curve /03: Inverted U-shape curve /
04: EL-S-shape curve

b001

Retry selection

00: Alarm /01: 0Hz start /02: Frequency 
matching start /03: Trip after frequency 
matching deceleration stop /04: Active 
Frequency matching

b002

Allowable momentary power 
interruption time

0.3 to 25.0

b083

Carrier frequency

2.0 to 15.0 / 10.0

b084

Initialization selection

00: Disabling /01: Clearing the trip history /
02: Initializing the data /03: Clearing the trip 
history and initializing the data /04: Clearing 
the trip history and initializing the data and 
Drive Programming

b130

Overvoltage LAD stop function

00: Disable /01: DC voltage kept constant /
02: Acceleration enabled

b131

Overvoltage LAD stop function 
level

200V class: 330. to 395.
400V class: 660. to 790.

Parameter

No.

Function

name

Monitor or data range

C001

to C007

Multi-function
input 1 to 7 
selection

00:FW(forward RUN/Stop) /01:RV(reverse RUN/Stop) /02:CF1(Multi-
speed Select, Bit0(LSB)) / 03:CF2(Multi-speed Select, Bit1) /04: CF3
(Multi-speed Select, Bit2) /05:CF4(Multi-speed Select, Bit3(MSB)) /
06:JG(jogging) /07:DB(External DC braking) /08:SET(Set (select) 2nd 
Motor Data) /09:2CH(2-stage Acceleration and Deceleration) /11:FRS
(Freerun Stop) /12:EXT(External Trip) /13:USP(Unattended Start 
Protection) /14:CS(Commercial power source switchover) /15:SFT
(Software Lock) /16:AT(Analog Input Voltage/Current Select) /18:RS
(Reset Inverter) /19:PTC(PTC thermistor Thermal Protection(C005 
only)) /20:STA(Start(3-wire interface)) /21:STP(Stop(3-wire interface)) /
22:F/R(FWD, REV(3-wire interface) /23:PID(PID Disable) /24:PIDC
(PID Reset) /27:UP(UP/DWN function accelerated) /28:DWN(UP/DWN 
function decelerated) /29:UDC(Remote Control Data Clearing) /
31:OPE(Operator Control) /32:SF1(Multi-speed Selection, Bit operation 
Bit1) /33:SF2(Multi-speed Selection, Bit operation Bit2) /34:SF3
(Multi-speed Selection, Bit operation Bit3) /35:SF4(Multi-speed 
Selection, Bit operation Bit4) /36:SF5(Multi-speed Selection, Bit 
operation Bit5) /37:SF6(Multi-speed Selection, Bit operation Bit6) /
38:SF7(Multi-speed Selection, Bit operation Bit7) /39:OLR(Overload 
Restriction Source Changeover) /40:TL(Torque Limit Selection) /
41:TRQ1(Torque limit switch1) /42:TRQ2(Torque limit switch2) /
44:BOK(Brake confirmation) /46:LAC(LAD cancellation) /47:PCLR
(Pulse counter clear) /50:ADD(ADD frequency enable) /51:F-TM
(Force Terminal Mode) /52:ATR(Enable torque command Input) /
53:KHC(Clearance of cumulative power data) /56:MI1(General 
purpose input1) /57:MI2(General purpose input2) /58:MI3(General 
purpose input3) /59:MI4(General purpose input4) /60:MI5(General 
purpose input5) /61:MI6(General purpose input6) /62:MI7(General 
purpose input7) /65:AHD(Analog command hold) /66:CP1(Multistage-
position switch1) /67:CP2(Multistage-position switch2) /68:CP3
(Multistage-position switch3) /69:ORL(Limit signal of homing) /
70:ORG(Trigger signal of homing) /73:SPD(Speed/position 
changeover) /77:GS1(GS1 input(C003 only)) /78:GS2(GS2 input
(C004 only)) /81:485(Start EzCOM) /82:PRG(Executing Drive 
Programming) /83:HLD(Retain output frequency) /84:ROK(Permission 
of Run command) /85:EB(Rotation direction detection(C007 only)) /
86:DISP(Display limitation) /91:PSET(Preset)

C011

to C017

Multi-function
input terminal 
operation
selection

00: NO
01: NC

C021

to C022

Multi-function
output 11-12
selection

00:RUN(RUN Signal)) /01:FA1(Frequency Arrival Type 1-Constant 
Speed) /02:FA2(Frequency Arrival Type 2-Over frequency) /03:OL
(Overload Adovance Notice Signal1) /04:OD(Output Deviation for PID
Control) /05:AL(Alarm Signal) /06:FA3(Frequency Arrival Type 3-Set 
frequency) /07:OTQ(Over/under Torque Signal) /09:UV(Undervoltage) /
10:TRQ(Torque Limited Signal) /11:RNT(RUN Time Expired) /12:ONT
(Power On time Expired) /13:THM(Thermal Warning) /19:BRK(Brake 
Release Signal) /20:BER(Brake Error Signal) /21:ZS(Zero Hz Speed 
Detection Signal) /22:DSE(Speed Deviation Excessive) /23:POK
(Positioning Completion) /24:FA4(Frequency Arrival Type 4-Over 
frequency) /25:FA5(Frequency Arrival Type 5-Set frequency) /26:OL2
(Overload Advance Notice Signal2) /27:ODc(Analog Voltage Input 
Disconnect Detection) /28:OIDc(Analog Current Output Disconnect 
Detection) /31:FBV(PID Second Stage Output) /32:NDc(Network 
Disconnect Detection) /33:LOG1(Logic Output Function1) /34:LOG2
(Logic Output Function2) /35:LOG3(Logic Output Function3) /39:WAC
(Capacitor Life Warning Signal) /40:WAF(Cooling Fan Warning Signal) /
41:FR(Starting Contact Signal) /42:OHF(Heat Sink Overheat Warning) /
43:LOC(Low load detection) /44:MO1(General Output1) /45:MO2
(General Output2) /46:MO3(General Output3) /50:IRDY(Inverter Ready 
Signal) /51:FWR(Forward Rotation) /52:RVR(Reverse Rotation) /
53:MJA(Major Failure Signal) /54:WCO(Window Comparator for Analog 
Voltage Input) /55:WCOI(Window Comparator for Analog Current 
Input) /58:FREF(Frequency Command Source)  /59:REF(Run 
Command Source) /60:SETM(2nd Motor Selection) /62:EDM(STO
(Safe Torque Off) Performance Monitor(C021 only)) /63:OPO(Option 
card output)

C026

Relay output 
function
selection

C031 to 

C032, C036

Multi-function
Relay output

00:NO contact at 11, 12, AL2, NC contact at AL1
01:NC contact at 11, 12, AL2, NO contact at AL1

H003

Motor
Capacity

0.1 / 0.2 / 0.4 / 0.55 / 0.75 / 1.1 / 1.5 / 2.2 / 3.0 / 3.7 / 4.0 / 5.5 / 7.5 / 
11.0 / 15.0 / 18.5 [kW]

H004

Motor pole
number

2 /4 /6 /8 /10 /12 /14 /16 /18 /20 /22 /24 /26 /28 /30 /32 /34 /36 /38 /
40 /42 /44 /46 /48 [pole]

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