Types Of Digital Input Units - Omron NX-ID3343 User Manual

6 Digital Input Units
6-1

Types of Digital Input Units

Digital Input Units are parts of NX Units, and process inputs of digital signals (ON/OFF signals).
The Digital Input Unit types are described below.
DC Input Units (Screwless Clamping Terminal Block, 12 mm Width)
Model
NX-ID3317
NX-ID3343
NX-ID3344
NX-ID3417
NX-ID3443
NX-ID3444
NX-ID4342
NX-ID4442
NX-ID5342
NX-ID5442
DC Input Units (MIL Connector, 30 mm Width)
Model
NX-ID5142-5
NX-ID6142-5
6 - 2
Num
ber
Internal I/O Rated input
of
common voltage
poin
ts
12 to 24 VDC
NPN
24 VDC
4
point
s
12 to 24 VDC
PNP
8 NPN 24 VDC
point
PNP
s
16 NPN
point
PNP
s
Num
ber
Internal I/O Rated input
of
common voltage
poin
ts
16
For both
point 24 VDC
NPN/PNP
s
32
For both
point 24 VDC
NPN/PNP
s
I/O refreshing ON/OFF response
method
Switching Synchro- 20 μs max./400 μs
nous I/O refreshing max.
and Free-Run
refreshing
100 ns max./100 ns
Input refreshing with
max.
input changed time
only
Switching Synchro- 20 μs max./400 μs
nous I/O refreshing max.
and Free-Run
refreshing
100 ns max./100 ns
Input refreshing with
max.
input changed time
only
Switching Synchro-
nous I/O refreshing 20 μs max./400 μs
and Free-Run max.
refreshing
I/O refreshing ON/OFF response
method
Switching Synchro-
nous I/O refreshing 20 μs max./400 μs
and Free-Run max.
refreshing
NX-series Digital I/O Unit User's Manual (W521)
Reference
time
P. A-7
P. A-8
P. A-9
P. A-10
P. A-11
P. A-12
P. A-13
P. A-14
P. A-15
P. A-16
Reference
time
P. A-17
P. A-19