Omron NX-OD5256 User Manual

A - 15
Appendices
NX-series Digital I/O Unit User’s Manual (W521)
A-1 Data Sheet
A
A-1-2 Digital Input Units
Unit name DC Input Unit Model NX-ID5342
Number of points 16 points External connection
terminals
Screwless clamping terminal block (16 ter-
minals)
I/O refreshing method Switching Synchronous I/O refreshing and Free-Run refreshing
Indicators TS indicator, input indicators Internal I/O common NPN
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 2.5 mA typical (at 24 VDC), rated current
ON voltage/ON current 15 VDC min./2 mA min. (between IOV and
each signal)
OFF voltage/OFF cur-
rent
5 VDC max./0.5 mA max. (between IOV and
each signal)
ON/OFF response time 20 μs max./400 μs max.
Input filter time No filter, 0.25 ms, 0.5 ms, 1 ms (default), 2
ms, 4 ms, 8 ms, 16 ms, 32 ms, 64 ms, 128
ms, 256 ms
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
Insulation resistance 20 MΩ min. between isolated circuits (at
100 VDC)
Dielectric strength 510 VAC between isolated circuits for 1
minute at a leakage current of 5 mA max.
I/O power supply
method
Supply from the NX bus Current capacity of I/O
power supply terminal
Without I/O power supply terminals
NX Unit power con-
sumption
0.55 W max. Current consumption
from I/O power supply
No consumption
Weight 65 g max.
Circuit layout
Installation orienta-
tion and restrictions
Installation orientation: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram
Disconnec-
tion/Short-circuit
detection
Not supported. Protective function Not supported.
IN0 to IN15
Terminal block
Internal circuits
Current control
circuit
NX bus
connector
(left)
I/O power supply +
I/O power supply −
I/O power supply +
I/O power supply −
NX bus
connector
(right)
Two-wire sensor
Three-wire senso
r
24 VDC
DC Input Unit
NX-ID5342
Additional I/O
Power Supply Unit
I/O Power Supply
Connection Unit
I/O Power Supply
Connection Unit
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IN0
IN4
IN8
IN2
A1 B1
A8 B8
IN6
IN10
IN1
IN5
IN9
IN3
IN7
IN14
IN12
IN15
IN13
IN11
IOV
IOG
IOV
IOG
IOV
IOG
IOV
IOG
A1 B1
A8 B8
A1
B1
A8
B8
A1 B1
A8 B8

Omron NX-OD5256 Specifications

General

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