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ShenZhen Comark Technology Co.,Ltd.
Serial Server and Gateway User Manual
Page 30
4:transmit-receive Modbus data
The error is 0 for the test to pass normally. According to this method, test RS-232/422 serial communication
sequentially.
2.3.5 ModbusTCP(ASCII_SLAVE) Mode
This series of equipment serial port and the host computer PLC serial port connected(RS-232/485/422) , PC
port of the lower computer connected to the Ethernet port of this series of devices, Implement the transmission
of Modbus ASCII on the Modbus TCP to serial link on the Ethernet link.