Wiring Precautions - Mitsubishi Electric MELSEC iQ-R Series User Manual

6.2

Wiring Precautions

• To establish a reliable system and fully use the functions of an MES interface module, a wiring that does not easily receive
the effects of noise is required.
• Sufficient safety measures must be taken when constructing the IEEE802.3 1000BASE-T/100BASE-TX/10BASE-T
networks.
Consult a specialist when handling the terminal processing of connection cable, installing trunk cables, etc.
• Use a cable compliant with IEEE802.3 1000BASE-T/100BASE-TX/10BASE-T standards. (Page 75 Ethernet (twisted
pair) cable (sold separately))
• For the connection on the target device side, check the specifications of the target device in advance.
• Place an Ethernet cable in a duct or clamp it.
Otherwise, the dangling cable may swing or inadvertently be pulled. It may cause an MES interface module or the cable to
damage or malfunction due to poor contact.
• Protect the core wire in the connector of an Ethernet cable or a port of an MES interface module to prevent touching by
hand and sticking dirt or dust.
If any oil from your hand, dirt or dust sticks the core wire, it may increase the transmission loss and fail a data link.
• Check if an Ethernet cable used is disconnected, a short-circuit is generated, and the connector is properly connected.
• Do not use an Ethernet cable with a broken clip.
Doing so may cause the unplugged cable or malfunction.
• Hold the connector of an Ethernet cable when connecting or disconnecting it.
If the cable is pulled while being connected to an MES interface module, it may cause the module or Ethernet cable to
damage or malfunction due to poor contact.
• Attach the provided connector cover to protect an unused Ethernet port from dirt and dust.
• The maximum segment length of an Ethernet cable is 100 m. However, the length may be shorter depending on the use
environment of the cable. For details, contact the manufacturer of the cable used.
• The bend radius of an Ethernet cable is limited. For details, check the specifications of the Ethernet cable used.
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6.2 Wiring Precautions