Omron NX-ID User Manual page 286

Appendices
AC Input Units (Screwless Clamping Terminal Block, 12 mm Width)
Unit name AC Input Unit
Number of points 4 points, independent contacts
I/O refreshing method Free-Run refreshing
Indicators TS indicator, input indicators
Dimensions 12 (W) x 100 (H) x 71 (D)
Insulation resistance Between each AC input circuit: 20 MΩ
min. (at 500 VDC)
Between the external terminals and the
functional ground terminal: 20 MΩ min.
(at 500 VDC)
Between the external terminals and inter-
nal circuits: 20 MΩ min. (at 500 VDC)
Between the internal circuit and the func-
tional ground terminal: 20 MΩ min. (at
100 VDC)
I/O power supply Supplied from external source.
method
NX Unit power • Connected to a CPU Unit
consumption
0.80 W max.
• Connected to a Communications Cou-
pler Unit
0.50 W max.
Weight 60 g max.
Circuit layout
Terminal block
NX bus
connector
(left)
A - 36
IN0 to IN3
C0 to C3
I/O power supply +
I/O power supply −
Model NX-IA3117
External connection Screwless clamping terminal block (8 ter-
terminals minals)
Internal I/O common No polarity
Rated input voltage 200 to 240 VAC, 50/60 Hz (170 to 264
VAC, ±3 Hz)
Input current 9 mA typical (at 200 VAC, 50 Hz)
11 mA typical (at 200 VAC, 60 Hz)
ON voltage/ON current 120 VAC min./4 mA min.
OFF voltage/OFF cur- 40 VAC max./2 mA max.
rent
ON/OFF response time 10 ms max./40 ms 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 Between each AC input circuit: 3700
VAC for 1 min at a leakage current of 5
mA max.
Between the external terminals and func-
tional ground terminal: 2300 VAC for 1
min at a leakage current of 5 mA max.
Between the external terminals and inter-
nal circuits: 2300 VAC for 1 min at a leak-
age current of 5 mA max.
Between the internal circuit and the func-
tional ground terminal: 510 VAC for 1 min
at a leakage current of 5 mA max.
Current capacity of I/O Without I/O power supply terminals
power supply terminal
Current consumption No consumption
from I/O power supply
NX-series Digital I/O Unit User's Manual (W521)
NX bus
I/O power supply +
connector
(right)
I/O power supply −