Omron NX Series Reference Manual

1 - 15
1 Data List
NX-series Data Reference Manual (W525)
1-4 Digital I/O Units
1
1-4-2 Digital Output Units
 Data List
Model
Unit configuration data Summary specifications
NX Unit
power
consump-
tion [W]
Current
consump-
tion from
I/O power
supply
[mA]
I/O
powe
r sup-
ply
meth
od
Wei
ght
[g]
Widt
h
[mm]
I/O
data
size
[byte]
Num-
ber of
I/O
entry
map-
pings
Nu
mbe
r of
poin
ts
Inter-
nal I/O
com-
mon
Maxi-
mum
load
cur-
rent
Rated
voltage
I/O
refres
hing
meth
od
ON/OFF
respon
se time
CPU
Cou-
pler
NX-OD2154 0.85 0.45 30 NX
bus
70 12 2/18 1/1 2
point
s
NPN 0.5 A/
point,
1 A/
Unit
24 VDC Speci-
fied
time
300/
300 ns
max.
NX-OD2258 0.50 40 PNP
NX-OD3121 0.90 0.55 10 0/4
bits
0/1 4
point
s
NPN 0.5 A/
point,
2 A/
Unit
12 to 24
VDC
Sync 0.1/0.8
ms
max.
NX-OD3153 0.50 30 24 VDC 300/
300 ns
max.
NX-OD3256 0.55 20 PNP 0.5/1.0
ms
max.
NX-OD3257 0.85 0.50 40 300/
300 ns
max.
NX-OD3268 20 Exter-
nal
2 A/
point,
8 A/
Unit
0.5/1.0
ms max.
NX-OD4121 0.90 0.55 10 NX
bus
0/2 8
point
s
NPN 0.5 A/
point,
4 A/
Unit
12 to 24
VDC
0.1/0.8
ms
max.
NX-OD4256 1.00 0.65 30 PNP 24 VDC 0.5/1.0
ms
max.
NX-OD5121 20 16
point
s
NPN 12 to 24
VDC
0.1/0.8
ms
max.
NX-OD5256 1.10 0.70 40 PNP 24 VDC 0.5/1.0
ms
max.

Omron NX Series Specifications

General

Programming Languages	Ladder, Structured Text, Function Block Diagram, Sequential Function Chart
Communication Ports	Ethernet, USB, RS-232C, RS-485
Memory Capacity	Varies by model
Program Memory	Varies by model
Data Memory	Varies by model
Operating Temperature	0°C to 55°C
Power Supply	24 VDC
Ethernet Ports	1 or 2 ports (depending on model)
USB Ports	1 or 2 ports (depending on model)
Dimensions	Varies by model
Weight	Varies by model