MELSEC-WS
Procedures before operation
73
8.1.1 Wiring precautions
Observe the following wiring precautions.
(1) Use either port 1 or port 2 for star connection.
(2) Use Ethernet cables specified in Section 8.1 (1).
(3) The Ethernet cable has restrictions on the bend radius.
The maximum bend radius is four times of the cable outside diameter.
(4) Place the cables in a duct or clamp them.
If not, dangling cable may swing or inadvertently be pulled, resulting in damage
to the module or cables or malfunction due to poor contact.
(5) When laying the cables, do not touch the contact surfaces of the connector of the
cable and the connector of the module nor let dirt or dust collect on the contact
surfaces.
If oil from the hands, dirt, or dust adheres to the cores, the transmission loss may
increase, resulting in communication failure.
(6) When connecting/disconnecting the cable to/from the module, hold the connector
part.
(7) Connect the connectors of the cable and the module until they click.
Summary of Contents for Melsec WS Series
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