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The USB-i485 converter is the fast, safe solution for interfacing a PC with RS485 or RS422 industrial communication networks. When the USB-i485 is connected to a PC’s USB port, it is automatically detected and installed as a native COM port, compatible with any existing serial communication application.
Multiple converters can be installed using USB hubs, making it easy to set up a multi-serial system with no need for IRQ or DMA settings. The 1500 Vdc isolation between the USB and RS485/RS422 ports protects the computer from surges and wiring errors on the communication network.
– Computer interface: USB V1.1 Plug and Play
– Virtual serial port driver for operating systems:
Windows 7/Vista/XP/2008Server/2003Server/98/ME/2000/CE, Mac and Linux 2.4.20 or later
– Field interfaces: RS485 Half Duplex (two networks), RS485 Full Duplex or RS422
– RS485 / RS422 selection by jumper
– Automatic flow control for RS485 Half Duplex
– Internal 120 ohm termination resistors, enabled by jumper
– Communication rate: 300 bps to 250 kbps
– Maximum RS485/RS422 cable length: 1200 m
– Maximum number of devices on the RS485 network
– Half Duplex: 2 x 32 devices
– Full Duplex: 32 devices
– Data transmit and receive indicator LEDs
– Power supply: USB bus powered. Consumption < 100 mA
– Isolation: 1500 Vdc between the USB interface and the RS485/RS422 interface
– RS485/422 bus protection: ±30 Vdc, 15 kV ESD
– USB connection: Mini-B connector. Includes 1.5 m cable with Mini-B and A plugs
– RS485/422 connection: connector for wires up to 1.5 mm² (16 AWG)
– Enclosure: ABS, 70 x 60 x 18 mm
– Operating environment: 0 to 70 °C, 10 to 90% RH non-condensing
