A contact only 1 0 two kinds, state according to the word unit read contact how to understand?
For example % # 01 RCC Y0001 0003 * * CR
PLC's reply is % 01 $7856 BC9A RC3412 CR * *
Y1 state of 1234 into hexadecimal 16, isn't it? Should not be 16 kinds of state?

CodePudding user response:

Ok, understand, it is my own stupid