delta plc serial communication

vinoth13690

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Dec 2014
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I have tried to send a the 00 (hex) and 01 (hex) with RS instruction (which is dedicated for 8 bit serial communication), the problem is, the instruction send 80 (hex) and 81 (hex) instead of 0 and 1. Whatever value I tried to send, the instruction send (sent value = my value + 80 (hex)). please help me to solve it:)
 
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