Precautions - Mitsubishi Electric MELSEC L Series User Manual

6.5.3
This section describes wiring precautions.
(1) Laying Ethernet cables
• Place the Ethernet cable in a duct or clamp them. If not, dangling cable may swing or inadvertently be pulled,
• Do not touch the core of the cable-side or module-side connector, and protect it from dirt or dust. If any oil
• Check the following:
(2) Broken cable latch
Do not use Ethernet cables with broken latches. Doing so may cause the cable to unplug or malfunction.
(3) Connecting and disconnecting Ethernet cables
Hold the connector part when connecting and disconnecting an Ethernet cable. Pulling the cable connected to
the module may result in malfunction or damage to the module or cable.
(4) Connectors where an Ethernet cable is not connected
To prevent dust from entering the module, attach the provided connector cover.
(5) Maximum station-to-station distance (Maximum Ethernet cable length)
The maximum station-to-station distance of an Ethernet cable is 100m. However, the distance may be shorter
depending on the operating environment of the cable. For details, contact the manufacturer of the cables used.
(6) Bending radius of the Ethernet cable
There are restrictions on the bending radius of the Ethernet cable. For details, check the specifications of the
Ethernet cable used.
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Precautions

resulting in damage to the module or cables or malfunction due to poor contact.
from your hand, or any dirt or dust sticks to the core, it can increase transmission loss, causing data link to
fail.
• Are the Ethernet cables connected properly?
• Isn't any Ethernet cable short-circuited?
• Are the connectors securely connected?
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