Model Number: 216-A003(ATC-820) Key Specifications/Special Features: Interdiction:Is surge protection USB to 1-port RS-485 converter that isdesigned for PC, thin client or server to provide instant COM portexpansion via the universal serial bus (USB)Supports Window's 95/98/Me, 2000, 2003, XP, Vista, 7, CE andLinuxCost-effective way to convertUSB interface to RS-485 industrial buses, when connected to aPC USB portAutomatically detected and is installed as a native COM portwhich is compatible with any existing serial communicationapplicationCan be configured for RS485 two-wire (half duplex)networks

When operating in two-wire RS485 the data transfer control isautomatically done by the converter

Has 384 byte receive buffer with an adjustable timeout and a128 byte transmit buffer with auto-transmit control

Makes it easier to add RS-485 devices to your system with easyPlug-and-play

Features:

• Computer interface: USB 1.1/2.0 Plug-and-play
• Operating system virtual serial port driver
• Field interfaces: RS-485 half duplex
• Automatic flow control for RS485 half duplex
• Transmission rate: from 300bps to 921.6Kbps
• RS-485 cable length: 1,200m (maximum)
• Number of devices in the RS485 network: half duplex to 32devices (maximum)
• Power: from the USB port
• Consumption: <100mA
• RS-485 bus protection: 600W
• USB connection: type A connector, 100mm cable
• With the module
• RS-485 connector: DB9 male
• ABS enclosure: 60 x 57 x 24mm (not including cable)
• Operating environment range: -25 to 70°C, 10 to 90% RHrelative humidity (non-condensing)