Es-u-2101-m Usb To 1 Port Isolated Rs422 / Rs485 Serial Adapter, Easy Sync

US $120

Tucson, Arizona, United States
Jun 9th

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The ES-U-2101-M USB-to-Optical isolated RS422 / RS485 Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Serial Adapter instantly adds a RS422, or RS485 serial communication port to your system. The USB Serial Adapter makes it easier than ever to add serial ports and serial devices to your system with easy plug-and-play and hot plug features. By plugging the USB Serial Adapter to the USB port, the adapter is automatically detected and installed. The adapter is powered by the USB port, and no external power adapter is required. The USB to RS422 / RS485 Adapter provides instant connectivity to RS422, RS485 communication devices for POS, factory automation equipment, multi-drop data collection devices, bar code readers, time clocks, scales, data entry terminals, PC to PC long distance communications, ATMs and serial communication in harsh environments. The ES-U-2101-M USB to Industrial I/O provides industrial solution requiring single node or multi-drop communications over short and long distance. Features: · Adds one RS422, or RS485 serial port by connecting to USB port · Installed as standard Windows COM port · 2000 VDC optical isolation protection · 25 KV ESD surge protection · RS422 data signal: Tx-, Tx+, Rx+, Rx-,GND, RTS-, RTS+, CTS+, CTS- · RS485 data signal: 4-wire: Tx-, Tx+, Rx+, Rx- 2-wire: data-, data+ · FIFO: 128 byte transmit buffer 384 byte receive buffer · Serial port speed up to 1 Mbps · One DB9 male connector & one 6-pin terminal block · Supplies power output of 5 V / 150 mA through pin-5 of terminal block for serial devices requiring power. · Full hardware and software flow control · Automatic transmit buffer control for 2-wire RS485 half-duplex operation · 2 KV DC optical isolation protection · ESD surge protection (25 KV) · Monitor LEDs of Power, TxD, RxD indicating power & port status · Serial Communication Parameters: - Parity: None, Even, Odd - Data bits: 7, 8 - Flow control: RTS/CTS , X-ON/ X-OFF, None · One external dip switch for easy RS422, RS485 mode settings: - RS422 mode: 4-wire with handshaking ON, ON, OFF, OFF - RS485 mode: 4-wire full duplex ON, OFF, OFF, OFF, OFF - RS485 mode: 2-wire half duplex with echo OFF, OFF, OFF, ON - RS485 mode: 2-wire half duplex without echo OFF, OFF, ON, ON · Built-in 120 Ohm termination resistors for Tx/Rx/CTS termination · Built-in 750 Ohm biasing resistor for Tx/Rx biasing · USB cable of 0.9 meter included · Powered by USB port. No external power adapter required.