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The RS485 receiver compares the voltage difference between both lines, instead of the absolute voltage level on a signal line. This works well and prevents the existence of ground loops, a common source of communication problems. USB to RS485 Adapter Features. Adds four high speed half-duplex RS-485 serial ports via USB connection. RS485 is the most versatile communication standard in the standard series defined by the EIA, as it performs well on all four points. That is why RS485 is currently a widely used communication interface in data acquisition and control applications where multiple nodes communicate with each other.. MODBUS RS485 to USB Adapter Power & Energy Meter Solutions FREE SHIPPING ON ONLINE ORDERS OVER $99 * Accuenergy Products Ask an Expert MODBUS RS485 to USB Adapter Model: USB-RS485 Be the first to review this product MODBUS RS485 to USB Adapter converts MODBUS data running via RS485 to USB for use on local PC.
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