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

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6.2

Wiring Precautions

• To establish a reliable system and fully use the functions of a 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 57 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 a module or the cable to damage or

malfunction due to poor contact.

• Protect the core wire in the connector of a cable or the port of a 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 a 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.

6 WIRING

6.2 Wiring Precautions

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