57C416
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57C416 Information: |
Reliance Automax 57C416. In stock ships today. 57C416. Remote I/O Communications Module. I/O. Input/Output. The Remote I/O Communications Module is the basis for the Automax remote I/O system. This module provides the necessary hardware to allow extended communication and control between the Processor Module Master rack and remote racks containing general purpose analog and digital I/O card modules and/or remote heads with digital and analog I/O rail modules. The Remote Communications Module is a printed circuit assembly in a protective enclosure that plugs into the Multibus backplane of the Automax rack. The module has on its faceplate a 7-segment LED for diagnostic displays, an \"OK\" status light, the remote communications connector, and a serial port to locally monitor or modify I/O status. The remote drop or station number is set using two thumbwheel switches, also on the faceplate. The remote communications synchronous data is transferred through a Belden 9259 or equivalent coaxial cable. The connection of the coaxial cable to each of the Remote Communications Modules is made through a Reliance Passive Tap which contains two fault-isolation resistors in series with the transmissions line. This prevents a failed module from bringing down the entire remote I/O network.