Omron NX-OD5256 User Manual

A - 13
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-ID4342
Number of points 8 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 3.5 mA typical (at 24 VDC), rated current
ON voltage/ON current 15 VDC min./3 mA min. (between IOV and
each signal)
OFF voltage/OFF cur-
rent
5 VDC max./1 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
IOG : 0.1 A/terminal max.
NX Unit power con-
sumption
0.50 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 IN7
IOG0 to 7
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
sensor
24 VDC
DC Input Unit
NX-ID4342
Additional I/O
Power Supply Unit
I/O Power Supply
Connection Unit
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IN0
IN2
IN4
IOG0
A1 B1
A8 B8
IOG2
IOG4
IN1
IN3
IN5
IOG1
IOG3
IOG6
IN6
IOG7
IN7
IOG5
IOV
IOG
IOV
IOG
IOV
IOG
IOV
IOG
A1 B1
A8 B8
A1 B1
A8 B8

Omron NX-OD5256 Specifications

General

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