Omron NX-ID User Manual page 259

DC Input Units (Screwless Clamping Terminal Block, 12 mm Width)
Unit name DC Input Unit
Number of points 4 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
NX-series Digital I/O Unit User's Manual (W521)
IOV0 to 3
Terminal block
IN0 to IN3
IOG0 to 3
I/O power supply +
I/O power supply −
Model NX-ID3317
External connection Screwless clamping terminal block (12 ter-
terminals minals)
Internal I/O common NPN
Rated input voltage 12 to 24 VDC (9 to 28.8 VDC)
Input current 6 mA typical (at 24 VDC), rated current
ON voltage/ON current 9 VDC min./3 mA min. (between IOV and
each signal)
OFF voltage/OFF cur- 2 VDC max./1 mA max. (between IOV and
rent 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
Isolation method Photocoupler isolation
Dielectric strength 510 VAC between isolated circuits for 1
minute at a leakage current of 5 mA max.
Current capacity of I/O
IOV: 0.1 A/terminal max., IOG
power supply terminal
nal max.
Current consumption No consumption
from I/O power supply
Current control
circuit
Appendices
:
0.1 A/termi-
I/O power supply +
NX bus
connector
I/O power supply −
(right)
A - 9
A