Omron NX-ID User Manual page 272

Appendices
Unit name DC Input Unit
Number of points 16 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
0.55 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 - 22
Terminal block IN0 to IN15
I/O power supply +
I/O power supply −
Additional I/O I/O Power Supply
Power Supply Unit Connection Unit
A1
A1 B1
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
I/O Power Supply DC Input Unit
Connection Unit NX-ID5342
A1 B1
B1 A1
IN0
IOV IOG IOG
IOV IOG IOG IN2
IOV IOG IOG IN4
IOG IOG IN6
IOV
IOV IOG IOG IN8
IN10
IOV IOG IOG
IOV IOG IOG IN12
IOV IOG IOG IN14
B8 A8 B8 A8
NX-series Digital I/O Unit User's Manual (W521)
NX-ID5342
Screwless clamping terminal block (16 ter-
minals)
NPN
24 VDC (15 to 28.8 VDC)
2.5 mA typical (at 24 VDC), rated current
15 VDC min./2 mA min. (between IOV and
each signal)
5 VDC max./0.5 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.
Without I/O power supply terminals
No consumption
I/O power supply +
NX bus
connector
I/O power supply −
(right)
Two-wire sensor
B1
IN1
IN3
IN5 Three-wire sensor
IN7
IN9
IN11
IN13
IN15
B8