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7 Wiring
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
7-1 EtherNet/IP Network Wiring
7
7-1-5 Connecting Communications Cables
Precautions for Correct Use
• The cable between any two nodes (L1, L2 ... Ln) must be 100 m or less.
• Do not exceed the ranges that are given in the specifications for the communications dis-
tance and number of connected Units.
• Firmly connect the communications cable connector until it clicks into place.
• When you install the communications cables, observe the cable specifications (e.g., bending
radius) of the cable manufacturer.
• Do not disconnect the communications cables from the EtherNet/IP Slave Terminals during
operation. The outputs from the EtherNet/IP master may become unstable. However, for the
EtherNet/IP master, it is OK to disconnect the communications cable from an EtherNet/IP
Slave Terminal that has been disconnected from communications in the software.
EtherNet/IP master
EtherNet/IP Slave
Terminals
Communications
cable
Last EtherNet/IP Slave
Terminal
L1
L2
Ln
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