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NX-ID / IA / OD / OC / MD

NX-series Digital I/O Unit

NX-ID / IA / OD / OC / MD

A wide range of digital I/O units from general purpose use to high-speed synchronous control

Model Number Structure

NX-ID / IA / OD / OC / MD Lineup 1

Ordering Information

Applicable standards

Ask your OMRON representative for the most recent applicable standards for each model.

Digital Input Units

Product Name Specification Model
Number
of points
Internal
I/O
common
Rated
input
voltage
I/O refreshing method ON/OFF
response
time
DC Input Unit
3185_lu_2_1
(Screwless Clamping
Terminal Block,
12 mm Width)
4 points NPN 12 to
24 VDC
Switching Synchronous I/O
refreshing and Free-Run
refreshing
20 μs max./
400 μs max.
NX-ID3317
24 VDC 100 ns max./
100 ns max.
NX-ID3343
Input refreshing with input
changed time only *1
NX-ID3344
PNP 12 to
24 VDC
Switching Synchronous I/O
refreshing and Free-Run
refreshing
20 μs max./
400 μs max.
NX-ID3417
24 VDC Input refreshing with input
changed time only *1
100 ns max./
100 ns max.
NX-ID3443
NX-ID3444
8 points NPN Switching Synchronous I/O
refreshing and Free-Run
refreshing
20 μs max./
400 μs max.
NX-ID4342
PNP NX-ID4442
16 points NPN NX-ID5342
PNP NX-ID5442
DC Input Unit
3185_lu_2_2
(M3 Screw Terminal
Block, 30 mm Width)
16 points For both
NPN/PNP
24 VDC Switching Synchronous I/O
refreshing and Free-Run
refreshing
20 μs max./
400 μs max.
NX-ID5142-1
DC Input Unit
3185_lu_2_3
(MIL Connector,
30 mm Width)
16 points For both
NPN/PNP
24 VDC Switching Synchronous I/O
refreshing and Free-Run
refreshing
20 μs max./
400 μs max.
NX-ID5142-5
32 points NX-ID6142-5
DC Input Unit
3185_lu_2_4
(Fujitsu Connector,
30 mm Width)
32 points For both
NPN/PNP
24 VDC Switching Synchronous I/O
refreshing and Free-Run
refreshing
20 μs max./
400 μs max.
NX-ID6142-6
AC Input Unit
3185_lu_2_5
(Screwless Clamping
Terminal Block,
12 mm Width)
4 points 200 to 240 VAC,
50/60 Hz
(170 to 264 VAC,
±3 Hz)
Free-Run refreshing 10 ms max./
40 ms max.
NX-IA3117

*1. To use input refreshing with input changed time, the EtherCAT Coupler Unit with unit version 1.1 or later and the
     Sysmac Studio version 1.07 or higher are required.

Digital Output Units

Product
Name
Specification Model
Number
of
points
Internal
I/O
common
Maximum
value of load
current
Rated
voltage
I/O
refreshing
method
ON/OFF
response
time
Transistor
Output Unit
3185_lu_3_1
(Screwless
Clamping
Terminal Block,
12 mm Width)
2 NPN 0.5 A/point,
1 A/Unit
24 VDC Output
refreshing with
specified time
stamp only *1
300 ns max./
300 ns max.
NX-OD2154
PNP NX-OD2258
4 NPN 0.5 A/point,
2 A/Unit
12 to
24 VDC
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
0.1 ms max./
0.8 ms max.
NX-OD3121
24 VDC 300 ns max./
300 ns max.
NX-OD3153
PNP 0.5 ms max./
1.0 ms max.
NX-OD3256
300 ns max./
300 ns max.
NX-OD3257
2 A/point,
8 A/Unit
0.5 ms max./
1.0 ms max.
NX-OD3268
8 NPN 0.5 A/point,
4 A/Unit
12 to
24 VDC
0.1 ms max./
0.8 ms max.
NX-OD4121
PNP 24 VDC 0.5 ms max./
1.0 ms max.
NX-OD4256
16 NPN 12 to
24 VDC
0.1 ms max./
0.8 ms max.
NX-OD5121
PNP 24 VDC 0.5 ms max./
1.0 ms max.
NX-OD5256
Transistor
Output Unit
3185_lu_3_2
(M3 Screw
Terminal Block,
30 mm Width)
16 NPN 0.5 A/point,
5 A/Unit
12 to
24 VDC
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
0.1 ms max./
0.8 ms max.
NX-OD5121-1
PNP 24 VDC 0.5 ms max./
1.0 ms max.
NX-OD5256-1
Transistor
Output Unit
3185_lu_3_3
(MIL Connector,
30 mm Width)
16 NPN 0.5 A/point,
2 A/Unit
12 to
24 VDC
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
0.1 ms max./
0.8 ms max.
NX-OD5121-5
PNP 24 VDC 0.5 ms max./
1.0 ms max.
NX-OD5256-5
32 NPN 0.5 A/point,
2 A/common,
4 A/Unit
12 to
24 VDC
0.1 ms max./
0.8 ms max.
NX-OD6121-5
PNP 24 VDC 0.5 ms max./
1.0 ms max.
NX-OD6256-5
Transistor
Output Unit
3185_lu_3_4
(Fujitsu
Connector,
30 mm Width)
32 NPN 0.5 A/point,
2 A/common,
4 A/Unit
12 to
24 VDC
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
0.1 ms max./
0.8 ms max.
NX-OD6121-6
Relay Output
Unit
3185_lu_3_5
(Screwless
Clamping
Terminal Block,
12 mm Width/
24 mm Width)
2 Relay type:
N.O.
250 VAC/2 A (cosφ=1),
250 VAC/2 A (cosφ=0.4),
24 VDC/2 A, 4 A/Unit
Free-Run
refreshing
15 ms max./
15 ms max.
NX-OC2633
Relay type:
N.O.+N.C.
NX-OC2733
8 Relay type:
N.O.
250 VAC/2 A (cosφ=1),
250 VAC/2 A (cosφ=0.4),
24 VDC/2 A, 8 A/Unit
Free-Run
refreshing
15ms max./
15ms max.
NX-OC4633

*1. To use input refreshing with input changed time, the EtherCAT Coupler Unit with unit version 1.1 or later and the
     Sysmac Studio version 1.07 or higher are required.

Digital Mixed I/O Units

Product
Name
Specification Model
Number
of
points
Internal I/O
common
Maximum
value of load
current
I/O
refreshing
method
ON/OFF
response
time
DC Input/
Transistor
Output Unit
3185_lu_4_1
(MIL Connector,
30 mm Width)
Outputs:
16 points
Inputs:
16 points
Outputs: NPN
Inputs: For both
NPN/PNP
Outputs:
12 to 24 VDC
Inputs: 24 VDCV
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
Outputs: 0.1 ms max./
0.8 ms max.
Inputs: 20 μs max./
400 μs max.
NX-MD6121-5
Outputs: PNP
Inputs: For both
NPN/PNP
Outputs:
24 VDC
Inputs: 24 VDC
Outputs: 0.5 ms max./
1.0 ms max.
Inputs: 20 μs max./
400 μs max.
NX-MD6256-5
Transistor
Output Unit
3185_lu_4_2
(Fujitsu
Connector,
30 mm Width)
Outputs:
16
points
Inputs:
16
points
Outputs: NPN
Inputs: For both
NPN/PNP
Outputs:
12 to 24 VDC
Inputs: 24 VDC
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
Outputs: 0.1 ms max./
0.8 ms max.
Inputs: 20 μs max./
400 μs max.
NX-MD6121-6

Optional Products

Product name Specification Model Standards
Unit/Terminal Block Coding Pins For 10 Units (Terminal Block: 30 pins, Unit: 30 pins) NX-AUX02 -

Product name Specification Model Standards
No. of
terminals
Terminal number
indications
Ground
terminal mark
Terminal current
capacity
Terminal Block 8 A/B None 10 A NX-TBA082 ---
12 NX-TBA122
16 NX-TBA162

Accessories

Not included.