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4 Installation and Wiring
NX-series Digital I/O Unit User’s Manual (W521)
4-3 Wiring the Terminals
4
4-3-1 Wiring to the Screwless Clamping Terminal Block
To make the maximum of 20 patterns, purchase two sets of NX-AUX02 Pins. (One set for 10 Units.)
Precautions for Correct Use
• OMRON uses the holes other than No. 1 to 6 in the figure on the previous page. If you insert
a Coding Pin into one of the holes used by OMRON on the terminal block side, this makes it
impossible to mount the terminal block on a Unit.
• Do not use Coding Pins that have been attached and removed.
z Inserting the Coding Pins
1 Hold the pins by the runner and insert a pin into one of the incorrect attachment prevention
holes on the terminal block or on the Unit.
2 Rotate the runner to break off the Coding Pin.
Terminal block
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