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MELSEC iQ-R Series


The network and interface modules of the MELSEC iQ-R Series ensure a vast selection of interconnectivity possibilities with various protocols and network topologies providing the best-fit solution for various applications. At the core of the Series is the CC-Link IE network family which is a high-speed 1 Gbps control level and field level Ethernet topology industrial open network.

  • Various network-specific modules available
  • 1 Gbps high-speed, large bandwidth of 128K word for CC-Link IE
  • Connect to two separate networks using a single module
  • Seamless networking (SLMP)
  • Connect to third-party products using simple CPU communication function
  • Loop-back function ensures continuous communications
  • Auto-return when faulty station is replaced
  • Supports standard interfaces such as RS-232 and RS-422/485

Simple CPU communication function

Simple CPU communication function enables communications using the existing Ethernet and serial communication ports without the need of full-scale network system and dedicated program. In addition, third-party communication protocols are supported, allowing easier system-wide data sharing.

Seamless message protocol (SLMP*1) network communications

With SLMP, it is possible to seamlessly access production management systems, programmable controllers and other devices using the same method, eliminating concerns about network hierarchies and boundaries. Tasks such as machine monitoring, data collection and maintenance can be performed from virtually anywhere on the network. Used together with the Ethernet module, SLMP-ready Ethernet devices such as a machine vision sensor or RFID controller can be interfaced to the CC-Link IE Field Network without further adding another network.

*1: SLMP (Seamless Message Protocol): Is a client/server protocol that enables communications between Ethernet-ready and CC-Link IE compatible devices.