ATC-850 - USB-serial RS232 and RS485/422

SKU: ATC-850
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76,50 €

ATC-850: Effective and highly integrated solution of USB-to-serial conversion at low cost.

The ATC-850 converter is equipped with USB interface and is used to connect to an RS422/485 industrial bus or to a devices equipped with RS232 serial port. When the device is connected to the USB port of a PC, it is automatically recognized and is installed a COM native port compliant with any application that requires a serial communication.

The device is equipped with a receive buffer of 384 Byte with adjustable time-out and a trasmission buffer of 128 Byte with control of auto-transmission. ATC-850 facilitates the addition of RS232 / 422/485 devices to your system in "Plug & Play" mode.

The modul is equipped with I/F USB-B, I/F RS232 on DB9M (DTE) connector and extractable terminal blocks for the RS422/485 connection.
The converter is also equipped with surge protection on RS232/422/485 interface and 3500Vrms galvanic isolation between USB and RS232/422/485.

The power supply is provided directly by USB port, so there is not the need of external power supply.

 Included in the package: CD Rom with documents and driver



  • Computer interface:  USB 1.1 2.0 Plug and Play.
  • Operational system virtual serial port driver.
  • Supports Windows 98/ME/XP/2000/CE/Vista, MAC & Linux 2.4.20 or superior.
  • Field Interfaces: RS-232,RS-422,RS-485 Half Duplex, Automatic flow control for RS485 Half Duplex
  • Transmission rate: RS232 from 300 bps to 460.8Kbps; RS485 from 300 bps to 921.6Kbps.
  • Maximum RS-485 cable length : 1200 m
  • Maximum number of devices in the RS485 network: Half Duplex to 32 devices
  • Power: from the USB port
  • Consumption: <200 ma="" li="">
  • Isolation: Isolation voltage 3500VRMS 500VDC sequence
  • USB port RS-232/422/485 bus protection: 600W.
  • USB connection: USB -B female connector. 1m USB-A to USB-B cable
  • RS-232 connector: DB9 male
  • RS-422/485 connector: 6-bit terminal socket
  • Metal case size: 105x85 x27 mm
  • Operating environment: -25 to 70°C, 10 to 90% relative humidity, non-condensing.


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