Omron NX-OD5256 User Manual

1 - 7
1 Features and System Configuration
NX-series Digital I/O Unit User’s Manual (W521)
1-3 Model List
1
1-3-1 Model Notation
 Digital Input Units
 Digital Output Units
Other Specifications
Num
ber
Input voltage
ON/OFF response
time
I/O refreshing method
Exceeds
1 μs
1 μs max.
Free-Run refreshing
*1
only
or
Switching Synchronous I/O
refreshing
*2
and Free-Run
refreshing
*1. Free-Run refreshing
*2. Synchronous I/O refreshing
Input refreshing with input
changed time only
17
12 to 24 VDC
or 240 VAC
Yes  Yes 
42
24 VDC
Yes  Yes 
43  Yes Yes 
44  Yes  Yes
Num
ber
Rated volt-
age
Load
cur-
rent
ON/OFF response
time
I/O refreshing method
Other func-
tions
Exceed
s 1 μs
1 μs
max.
Free-Run refresh-
ing
*1
only
or
Switching Syn-
chronous I/O
refreshing
*2
and
Free-Run refresh-
ing
*1. Free-Run refreshing
*2. Synchronous I/O refreshing
Output refresh-
ing with speci-
fied time stamp
only
Load
short-circuit
protection
21
12 to 24 VDC
or 240 VAC
0.5 A Yes  Yes 
33 2 A Yes  Ye s 
53
24 VDC 0.5 A
 Yes Yes 
54  Yes  Yes 
56 Yes  Ye s  Yes
57  Yes Yes  Yes
58  Yes  Yes Yes

Omron NX-OD5256 Specifications

General

Brand	Omron
Model	NX-OD5256
Category	I/O Systems
Language	English