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Fiber optic remote I/O master module for DL405 PLC

The Ethernet Remote Master H4-ERM-F connects D4-430, D4-440 and D4-450 PLC systems to slave I/O over a 10Mbps high-speed Ethernet link. Each ERM-F module can support up to 16 additional H2-EBC-F systems or 16 fully expanded H4-EBC-F systems. Of course, combinations are fine, too.

The ERM-F connects to your control network using fiber optic cables and can be run up to 2 kilometers. Use  fiber optic repeaters to extend distances and expand the number of nodes.

The PLC, ERM and EBC slave modules work together to update the remote I/O points. These three scan cycles are occurring at the same time, but asynchronously. It is recommended that critical I/O points that must be monitored every scan be placed in the CPU base.



Fiber optic remote I/O master module

Specifications of the H4-ERM-F:

  • Master Ethernet remote I/O on a Fiber Optic network at 10 Mbps
  • Can be installed in a local base, when a D4-430, D4-440 or D4-450 is used as the CPU, or in a local expansion base (D4-450 based system only)
  • Connects to H2/4-EBC-Fs directly or via Fiber Optic Ethernet hub(s)
doc724, doc769, doc805, doc798

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