Modbus modules for CompactLogix controllers

These integrated Modbus modules for Rockwell Automation CompactLogix controllers connect CompactLogix controllers to any Modbus/TCP or Modbus serial networks from the same module, even at the same time. The first module is a Standard version (SST-ERS2-CPX-S) and the second is a Plus version (SST-ESR2-CPX-P), which supports extended addressing to 30,000 I/O words and up to 256 Modbus commands per port. The modules have two independent RS-232/RS-422/RS-485 serial ports that support ASCII and RTU formats. The ports can be configured to operate as Modbus masters or Modbus slaves. The software determines automatically whether the Modbus message is RS-232/RS-422/RS-485, eliminating the problem of setting dip-switches improperly.

Molex Modbus CPX Modules 250
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