You can set the station number, baud rate, data bits, parity bit and stop bit of PLC.
Attention:Only when Easy Ladder software station number is equal to 0
or PLC station number,you can download the program to PLC.
9.2 PR series PLC communication
PR series PLC support free port communication, MODBUS communication and CAN
communication.
Free port communication:
Free port communication is a half duplex communication based on RS-485
communication.Users can make their own communication protocol in free port
communication.Third party devices mostly support RS-485 serial communication .
The core of the free port communication are receiving and sending instructions.
RS-485 communication can not receive and send data at the same time.The RS-485
communication format includes a start bit, 7 or 8 bit characters, a parity bit,
and a stop bit.
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