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The State of Industrial Serial Communication
RS-232, RS-422, and RS-485 have a long history in industrial automation. One of Moxa's most experienced engineers discusses the state of these legacy communication standards and how they are integrated in today's industrial communication equipment. Thoughts on industrial serial communication
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USB Converters - Essential Components for Today's Industrial Connections
and a number of other factors can vary greatly. The same type of variables hold true with USB to RS-422 and RS-485 converters. Because of these differences, it is essential that you know the exact specifications needed for the conversion process. Here are seven essential elements to consider: Are you
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Bridging the Gap: USB Converters (.pdf)
. not necessarily make the desired conversions or meet the required baud rates. These differences make knowing the exact. specifications for your application essential. Here are seven things to ask before you buy a USB converter: 1. Are you converting from RS-232, RS-422, RS-485, or do you need to move them
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FAQs on USB (Universal Serial Bus)
will be assigned the next available Com number. The new com port shows up in the Control Panel, System, Device Manager, Ports as a Com number. The USOPTL4 and USPTL4 converters support Receive and Transmit signals using RS-422 operation or 2-wire or 4-wire RS-485 mode using Automatic Send Data
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Overview of Fiber Optic Technology
connections, fiber optic links are being used to extend the distance limitations of RS-232, RS-422/485 and Ethernet systems while ensuring high data rates and minimizing electrical interference. Conventional electrical data signals are converted into a modulated light beam, introduced into the fiber
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Instrument-Grade Data Acquisition with Ethernet Brings Precision Measurement and Control to Networks
for large distributed DAQ systems. And, although bus standards. such as RS-422 and RS-485 make it possible to operate DAQ hardware several. hundred feet from a computer, the complete system frequently involves. adapters, extenders, and other hardware that increase complexity and cost. Furthermore
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The USB (Universal Serial Bus) Solution
. The easiest solution to this is to add a USB hub. Most hubs will support the addition of four or more peripheral devices. Hubs can be added to extend the distance a USB device can be away from the computer, along with adding ports. The maximum distance a standard USB cable should be is 5 meters
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Guide to Ethernet Components and Terminology
more quickly than a switch. All messages received by the hub are sent out on all legs to all the connected devices. Installation is a plug and play operation. See Ethernet Hubs. Media Converters change Ethernet twisted pair copper wires into fiber optic signals. Fiber optic is often preferable because