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BB-USPTL4

Advantech BB-USPTL4
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Advantech 1port USB to RS422/485 Converter w/Terminal Block and LEDs
ESP Price: $94.00
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Product Code: BB-USPTL4

Description Technical Specs Drivers & Downloads
 
Models BB-USOPTL4-A, BB-USPTL4-A and BB-USO9ML4 are USB to one port RS-422/485 converters. Supporting 2-wire RS-485 or 4-wire RS-422/485 communications, these devices are great for applications requiring long range or multi-drop capabilities. High retention USB port holds standard USB cables tight.

Models BB-USOPTL4-A & BB-USO9ML4 include circuitry with 2000 Volts isolation to protect against ground loops and voltage spikes. Models BBUSOPTL4-A and BB-USPTL4-A use pluggable terminal blocks on the RS-422/485 side while Model BB-USO9ML4 uses a DB9 connector on the RS422/485 side. Two LEDs indicate data Transmit or Receive. The converters draw power from the USB port so no power supply is required. (USB cable included.)

Just install the drivers on the CD ROM and plug the converter into an available USB port on your computer or USB hub. The device appears as an additional COM port in Windows Device Manager, compatible with Windows applications.
Universal Serial Bus (USB)
USB has become the connectivity workhorse of today’s PCs, replacing classic serial ports. But, many commercial and industrial devices still use RS-422/485 interfaces. To connect these devices to modern PCs, you need robust and reliable conversion solutions. USB ports are becoming more common on commercial and industrial equipment such as point-of-sale peripherals, medical devices, scientific instrumentation, laboratory equipment and other devices or in environments where surges, spikes and ground loops are likely to occur.
RS-485 Control
No special software is required to control the RS-485 Receiver or Transmit line driver. The driver is automatically enabled during each byte transmitted in RS-485 mode. The transmitter is always enabled in RS-422 mode. The receiver is tri-stated during each byte transmitted in the echo-off mode. The receiver is always enabled in the echo-on mode. There are 4.7k Ohm pull-up/pull-down resistors on the RDA and RDB lines. A termination resistor may be added to R16 if needed. See the RS-422/RS-485 Application Note (available on website) for more information on termination and DC biasing of an RS-485 network.
Features
  • Adds a COM Port to Your PC
  • 15KV ESD Surge Protection
  • High Retention USB Port
  • USB 1.0, 1.1 and 2.0 Compatible (12 Mbps)
  • LEDs for Transmit and Receive Data Lines
  • No power supply required (powered from USB bus)
  • USB cable included, 0.9 m (3 ft


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