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1 Data List
NX-series Data Reference Manual (W525)
1-4 Digital I/O Units
1
1-4-3 Digital Mixed I/O Units
Items in the Summary Specifications
1-4-3 Digital Mixed I/O Units
DC Input/Transistor Output Units (MIL Connector, 30 mm Width)
Item Description
Number of points The number of output and input points provided by the Unit. The first value in this column is for out-
put, and the latter is for input.
Internal I/O common This is the polarity that the Unit uses to connect to output and input devices.
There are models with NPN and PNP connections. The first value in this column is for output, and
the latter is for input.
Maximum load current The maximum output load current of the Unit.
Specifications for each output point and for the Unit are described.
Rated voltage The rated output voltage and rated input voltage of the Unit. The first value in this column is for out-
put, and the latter is for input.
I/O refreshing method The I/O refreshing methods that are used by the Unit.
Free-Run refreshing, synchronous I/O refreshing, output refreshing with specified time stamp and
input refreshing with input changed time are available.
In the following table, the following abbreviations are used.
Free: Free-Run refreshing
Sync: Switching synchronous I/O refreshing and Free-Run refreshing
Specified time: Output refreshing with specified time stamp
Changed time: Input refreshing with input changed time
ON/OFF response
time
For outputs, the delay time for which data in the internal circuit is reflected in the state of output
elements of the Unit. For inputs, the delay time for which the status change of the input terminals
reaches the internal circuit of the Unit.
The input filter time is not included.
The first two values in this column are for output, and the latter two are for input.
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