Quality Product HEXIN RS232 To RS485 Adapter No Source Adapter
RS232 / RS485 bidirectional interface converter converter between applied between the master form point to point between the host computer and the microcontroller or peripheral, multipoint remote multi-machine communication network, multi-machine answer communications communications, widely used in industrial automation control systems, card access control systems, parking systems, self-service banking system, bus fare collection system, canteen canteen system, employees attendance management system, highway toll systems.
RS232 / RS485 converter which can convert RS-232 serial port TXD and RXD signal into two balanced half-duplex RS-485 signals. No external power supply, directly from 3 feet RS-232 port stealing, while the 7 feet Request to Send (RTS), 4 pin Data Terminal Ready (DTR) to RS232 / RS485 auxiliary supply? Husbandry epiphyseal world far Jue Gucuihuaipianpang Guilvyoumang cloth Chuancangbaya coat plum shallow
Second, the performance parameters
1, Serial features: Interface compatible with EIA / TIA RS-232C, RS-485 standard.
2. Electrical Interface: RS-232 side DB9 pass-edge connectors, RS-485 side DB9 male connector with terminals.
3 Working mode: asynchronous half-duplex.
4, the transmission medium: ordinary line, twisted pair or shielded cable.
5, the transmission rate: 300 ~ 115-21BDS.
6, transmission distance: 5 meters (RS-232 terminal) 1.200 m (RS-485 terminal).
7, the communication protocol: transparent.
8, the working environment: -10 to 85 Relative humidity 5% to 95%.
9, the signal: RS-232: TXD, RXD, RTS, CTS, DTR, DSR, DCD, CND; RS-485: Date +, Date-, GND.