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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
The wires that you can connect to the screwless clamping terminal block are twisted wires, solid wires,
and ferrules that are attached to the twisted wires. The following section describes the dimensions and
processed methods for applicable wires.
z Dimensions of Wires Connected to the Terminal Block
The dimensions of wires that you can connect into the terminal holes of the screwless clamping ter-
minal block are as in the figure below.
Process the applicable wires that are specified in the following description to apply the dimensions.
Applicable Wires
1.6 mm max. (Terminals other than ground terminals)
2.0 mm max. (Ground terminals)
2.4 mm max. (Terminals other than ground terminals)
2.7 mm max. (Ground terminals)
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