![]() One approach to this issue of Ethernet encapsulation might be to use two Ethernet/Serial converters. In your other thread, Robert Jones sounded like he understood the M340's communications configuration well. Unfortunately I am not familiar at all with the Modicon M340 controller. Now I understand why you want "encapsulation without protocol conversion", so you are essentially sending a binary string of characters out the Ethernet port, to be repeated exactly on the Serial side. ![]() It looks like these Bartec devices have a proprietary protocol that is similar to Modbus in its basic structure, but different enough to not be a common Modbus variant (Enron Modbus and Daniels Modbus are common variants).
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