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RS-485 communication
Driver side - CN1 port (DB9 male port)
RS485 port default parameters: baud rate 19200bps, data bit is 8-bit, stop bit is 1-bit, even parity.
Modbus station no. can be set freely, set by P7-00:
Note:
(1) Support the standard Modbus RTU protocol, which is used as the slave device of Modbus RTU.
(2) RS232 and RS485 communication ports can be used simultaneously.