Omron NX-ID - Wiring to M3 Screw Terminal Block

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4 Installation and Wiring
NX-series Digital I/O Unit User’s Manual (W521)
4-3 Wiring the Terminals
4
4-3-2 Wiring to M3 Screw Terminal Block
This section describes how to connect wires to the M3 screw terminal block, and the installation and
removing methods.
The terminals to be wired are as follows.
• I/O power supply terminals
• I/O terminals
Connect the wires that have crimp terminals to the M3 screw terminal block.
z Electric Wires
• The following wire gauges are recommended.
• The current capacity of electric wire depends on factors such as the ambient temperature and insula-
tion as well as the gauge of the conductor.
z Terminal Screws and Crimp Terminals
• The terminals on the I/O Unit are M3, self-raising terminals with screws.
• Use crimp terminals (M3) having the dimensions shown below.
Precautions for Safe Use
Use crimp terminals for wiring the M3 screw terminal blocks. Do not connect bare stranded
wires directly to the M3 screw terminal blocks.
4-3-2 Wiring to M3 Screw Terminal Block
Wiring Terminals
Applicable Wires
Terminal Block Connector Wire Size
18-terminal
AWG 22 to 18 (0.32 to 0.82 mm
2
)
6.2 mm max. 6.2 mm max.