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تبدیل RS232 To RS485 مبدیل سریال به 485

5013000

محصول جدید

تبدیل RS232 To RS485 مبدیل سریال به 485

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roduct description:  
In order to facilitate remote data communication between computers, external devices or intelligent instruments with different standard serial interfaces,
standard serial interfaces must be interchanged. Converter is compatible with RS-232, RS-485 standard, can be single-ended RS-232 signal into balanced differential RS-485 signal, the converter can RS-232 communication distance extended to 1.2 km, no external power supply using a unique "RS-232 charge pump" drive, do not need to rely on the initialization RS-232 serial port can get power, with zero delay automatically send and receive within the conversion, the unique I / O circuit automatically control the data flow direction, without any handshake signal (Such as RTS, DTR, etc.), thus ensuring that the program written in the RS-232 half-duplex mode can be run without RS-485 mode,
to ensure that the existing operating software and interface hardware, converter transfer rate 300-115.2Kbps.
Can be used between the host computer, the host computer and the microcontroller or between the components to point to point, point to multipoint remote multi-machine communication network, to achieve multi-machine response communication.
Widely used in industrial automation and control systems, card, access control systems, parking systems, self-service banking system, bus charging system, canteen Shoufan system, the company staff attendance management system, highway toll station system.
Performance parameters:
1, the interface features: interface compatible EIA / TIA RS-232C, RS485 standard

2, electrical interface: RS-232 terminal DB9 hole connector, RS-485 terminal DB9 pin connector, with the post

3, work: asynchronous half-duplex differential transmission

4, transmission medium: twisted pair or shielded wire

5, the transmission rate: 300BPS-115.2KBPS

6, Dimensions: 63mmX33mmX17mm

7, the use of the environment: -25 ℃ to 70 ℃, relative humidity of 5% to 95%

8, transmission distance: 1,200 meters (RS-485 side) 5 meters (RS-232 side)

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