I have a SCADA system communication over serial radios and to one of my site I am getting a Error Message in my MSG Instruction "Hex 37" MSG timeout in local Processor". The odd thing is i have communication with this site. I am only running one message at a time and cascading through the messages. Some of the messages do get through. My message time out is set to 5 and am having this issue with three messages to the same PLC. So it is slowing my system down.
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