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T J SHARON posted a topic in CX-ProgrammerHI all, I was trying to connect my compass with PLC via SCU32 RS485 (2 wire ) in protocol macros.[ Unit 1 port2] My send command is " 01 03 00 01 00 03 54 0B' & Expected reply is '01 03 06 XX XX YY YY ZZ ZZ ZZ ZZ" I created a new protocol using CX protocol and created a send message & a receive message command and added to sequence 000. (refer pics) Also added PMCR instrcution in cx programmer (refer pic). I can transmit the data , but i cant see any recieve data in D2000. I am not sure what had done wrong, or am i missing something? Any help is much appreciated!! compass_macro2.psw Compass_TEST.cxp