Omron NX-ID User Manual page 268

Appendices
Unit name DC Input Unit
Number of points 8 points
I/O refreshing method Switching Synchronous I/O refreshing and Free-Run refreshing
Indicators TS indicator, input indicators
Dimensions 12 (W) x 100 (H) x 71 (D)
Insulation resistance 20 MΩ min. between isolated circuits (at
100 VDC)
I/O power supply Supply from the NX bus
method
NX Unit power con- • Connected to a CPU Unit
sumption
0.90 W max.
• Connected to a Communications Cou-
pler Unit
0.50 W max.
Weight 65 g max.
Circuit layout
NX bus
connector
(left)
Installation orienta- Installation orientation:
tion and restrictions
• Connected to a CPU Unit
Possible in upright installation.
• Connected to a Communications Coupler Unit
Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram
24 VDC
A - 18
IN0 to IN7
Terminal block
IOG0 to 7
I/O power supply +
I/O power supply −
Additional I/O I/O Power Supply
Power Supply Unit Connection Unit
A1 B1 A1
IOV IOV IOV
IOV
IOG IOG IOV
IOV
IOV IOV IOV
IOV
IOG IOG IOV
IOV
A8 B8 A8
Model
External connection
terminals
Internal I/O common
Rated input voltage
Input current
ON voltage/ON current
OFF voltage/OFF cur-
rent
ON/OFF response time
Input filter time
Isolation method
Dielectric strength
Current capacity of I/O
power supply terminal
Current consumption
from I/O power supply
Current control
circuit
DC Input Unit
NX-ID4342
B1 A1 B1
IOV IN0 IN1
IOV IOG0 IOG1
IN2 IN3
IOV
IOG3
IOV IOG2
IN4 IN5
IOV
IOV
IOG4 IOG5
IOV IN6 IN7
IOV IOG6 IOG7
A8 B8
B8
NX-series Digital I/O Unit User's Manual (W521)
NX-ID4342
Screwless clamping terminal block (16 ter-
minals)
NPN
24 VDC (15 to 28.8 VDC)
3.5 mA typical (at 24 VDC), rated current
15 VDC min./3 mA min. (between IOV and
each signal)
5 VDC max./1 mA max. (between IOV and
each signal)
20 μs max./400 μs max.
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
Photocoupler isolation
510 VAC between isolated circuits for 1
minute at a leakage current of 5 mA max.
:
IOG 0.1 A/terminal max.
No consumption
I/O power supply +
NX bus
connector
I/O power supply −
(right)
Two-wire
sensor
Three-wire
sensor