The ATC-850 module is a Low-cost way to convert RS485 industrial buses to an USB interface. When connected to a PC USB port the ATC-850 module is automatically detected and it is installed as a native COM port which is compatible with any existing serial communication application.

The device is provided of a 384 Byte receive buffer with adjustable timeout and a 128 byte transmit buffer with auto-transmit control. The ATC-850 makes it easier to add RS232/422/485 devices to your system with easy plug & play.

The module is provided of an USB-B interface and of 1 DB9M (DTE) to connect RS232 interface and a 6-pin extractable TB 3.81mm pitch for RS422/485 connection.
The converter is also provided of a surge protection on the RS232/422/485 and 3500Vrms galvanic insulation between USB and RS232/422/485.

The power supply is supplied directly from USB, so no external power source is needed.

The product is supplied with the following accessories:

• USB Cable A to B
• CD Rom documentation and driver

Optionally it is available an adapter to allow the DIN rail mounting (See figure).

Applications
	Add serial ports on devices equipped with USB.

For further information about these products please visit the ATC Technology web site: www.szatccom.