Standard: EIA RS-232C, RS-485, RS-422
Protocol: Modbus RTU/ASCII
Quantity of serial port: 4 RS-485/422 or 3IN1 serial port
RS-232 signal: DSR, RTS, GND, TXD, RXD, DCD, CTS, DTR
RS-485 signal: D+, D-, GND
RS-422 signal: T+, T-, GND, R+, R-
Baud rate: 300-115200bps
Data bit: 5bit, 6bit, 7bit, 8bit
Parity bit: None, Even, Odd, Space, Mark
Stop bit: 1bit, 2bit
Interface form: RS-485/422 serial port with isolation, adopt 5-pin 5.08mm pitch terminal blocks;
3IN1 serial port, adopt RJ45
Flow control: RTS/CTS, DTR/DSR, XON/XOFF
Directional control: RS-485 direction adopts Automatic Data Direction Control technology
Pull high/low resistor for RS-485: 4.7kΩ
Intensity of electromagnetic isolation: RS-485/422 serial port (terminal block), 3KVDC/2KVrms
Operating mode: RTU Master, RTU Slave, ASCII Master and ASCII Slave
Connection quantity: up to 32 TCP Slave requests are supported under Master mode
up to 16 TCP Master connections are supported under Slave mode
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