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Specifications
1.Electronic Technology Experiment Device2.232 to 485
vocational training equipment, 232 to 485 switch
Product description:
In order to facilitatewithdifferentstandard serial interfaceof computer,external device orintelligent instrumentfor remotedata communication,mutualconversionmust bestandard serialinterface.The converteris compatible with RS-232,RS-485 standard,can convert the RS-232signal singleendbalanceddifferential RS-485signal,the communication distance of RS-232convertercan beextended to 1.2km,no external power supplyadopts the unique"RS-232 charge pump"drive,don't needto initialize the RS-232serial portcan be obtainedwith internalpower,zero delayautomatictransceiver conversion,automatic control and dataflowdirection of I/Ocircuit isunique,without anyhandshake signals(such as RTS,DTR etc.),so as to ensure that theRS-232 prepared inhalf duplexmodeprograms running inRS-485 modewithoutchanges,ensure appropriateexistingsoftware andhardware interface,convertertransmission rate300-115.2Kbps. can beused inbetween,the main controlmachine controland single chip computer orperipheralconstitute apoint-to-point,point to multipointremotemulti computer communication network,realize multi machineresponsecommunication.Widely used inindustrial automation and control systems,smart card,access control system,parking lot system,self-service banking system,charge system,busthe dining hallmeal selling system,employeeattendance management system,highway toll stationsystemetc..
Technical parameters:
- Compact, with DB9 connector with terminal.
- Compatible with RS-232, RS-485 TIA / EIA standards
- Automatic send / receive data, without external flow control signals (RTS)
- Power supply: Unique serial charge pump drive technology, no external power supply, the real three-wire (TXD.RXD.GND) communication system,
- No need to initialize the serial port
- The ability to connect 32 network equipment
- Communication distance: 1,200 meters
- Communication speed: 300BPS-115.2KBPS
- Transmission media: twisted pair or shielded cable
- Working mode: asynchronous half-duplex (RS-485) Used for all communication software, plug and play
- Dimensions: 63mm × 33mm × 17mm
- Use of the environment: -25 °C to 70 °C, relative humidity 5% to 95%
- Support DOS/WIN95/WIN98/WIN2000/NT/XP Linux, etc.
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