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Is it possible to read third party device 3X register through M340 serial Modbus

Yes it is possible to read third party device 3x register through M340 serial Modbus. 

Example:
READ_VAR(ADDM('0.0.0.1'),'%IW',1,1,%MW40:4,%MW50:1) will work for a third party slave whose address is 1 and wanting to read one register 30001 (IW1).
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