Omron NX-IA3117, User Manual

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8 Digital Mixed I/O Units
8 - 2 NX-series Digital I/O Unit User’s Manual (W521)
8-1 Types of Digital Mixed I/O Units
Digital Mixed I/O Units are parts of NX Units, and process both inputs and outputs of digital signals
(ON/OFF signals).
The Digital Mixed I/O Unit types are described below.
DC Input/Transistor Output Units (MIL Connector, 30 mm Width)
Model
Num-
ber of
points
Internal I/O
common
Maximum
value of load
current
Rated volt-
age
I/O refresh-
ing method
ON/OFF
response
time
Reference
NX-MD6121-5
Out-
puts:
16
points
Inputs:
16
points
Outputs:
NPN
Inputs: For
both
NPN/PNP
0.5 A/point, 2
A/Unit
Outputs: 12 to
24 VDC
Inputs: 24
VDC
Switching Syn-
chronous I/O
refreshing and
Free-Run
refreshing
Outputs: 0.1
ms max./0.8
ms max.
Inputs: 20
μ s
max./400 μ s
max.
P. A-51
NX-MD6256-5
Outputs:
PNP
Inputs: For
both
NPN/PNP
Outputs: 24
VDC
Inputs: 24
VDC
Outputs: 0.5
ms max./1.0
ms max.
Inputs: 20
μ s
max./400 μ s
max.
P. A-55