For the most part, they are MODBUS masters which communicate with Acromag devices, which are MODBUS slaves.

 

One of these modules needed to make report data available to a PLC via MODBUS.. However, this could not be done directly, since the customer's existing PLC could not receive MODBUS messages because it acted only as a master, not a slave. For this reason, an intermediate repository was necessary. This is a MODBUS slave device, which stores the data generated by the Chromperfect modules and makes it available to the PLC.

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