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I am trying to Poll K095 controller with my PLC and when I monitor the protocol I see a wierd 00 before the echo at the beginnig of the message. It is causing a bad message. Any input.
Example: my message is for example 01 04 00...
my expected reply should be 01 04 data..
but I get 00 01 04 and the PLC thinks this is a bad message.
I tried terminating with cap and Res in series and biasing the lines with 1 K resistor... No help.
PLEASE HELP ANYONE
Example: my message is for example 01 04 00...
my expected reply should be 01 04 data..
but I get 00 01 04 and the PLC thinks this is a bad message.
I tried terminating with cap and Res in series and biasing the lines with 1 K resistor... No help.
PLEASE HELP ANYONE