0-52851

About the 0-52851

The 0-52851 is a Digital Sequencing card made by Reliance Electric. This particular card uses a power rack to operate. The front panel of the 0-52851 has a six-screw standard terminal box. Below this box is a green LED light labeled RUN and a red LED light, and below these is a large red button. Behind the front panel on the attached circuit board, there is a wire coming from each of the six openings from the standard terminal block that connects to a metal pin. The 0-52851 card has two large relay boxes just behind the wires. The relay boxes have Omron LZNQ4-US 24 VDC Contact Resistive 0.3A 125 VAC 1A 30 VDC Coil 24 VDC printed on the top of each; along with a diagram of how the relay looks from the bottom. The 0-52851 has two silver transistors. The 0-52851 uses thirty-one integrated circuits to store information that tells the card how to function. There are thirteen red circular varistor resistors and over twenty linear resistors that are light blue or mauve color.  The 0-52851 uses nine orange radial ceramic capacitors, a yellow polypropylene capacitor, and a polystyrene capacitor. There is also a series of ten or so metal pegs across the surface of the card. The 0-52851 is eleven inches long and eight inches wide. The 0-52851 is also marked along the upper edge using numbers in increments of five starting at zero and going to eighty.

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