Basic Diode Matrix System

Published:2013/6/21 3:06:00 Author:muriel | Keyword: Basic Diode Matrix System | From:SeekIC

The next diagram is for a basic diode matrix system that will operate the switch machines for one end of a four track ladder yard. Tracks 1 through 4 are selected with the appropriate push buttons. This in turn SET's or RESET's, through the diode matrix, the appropriate switch machine motor controller to its N or R condition and operates the turnouts.Included in the diagram is a Truth Table that shows the position of each turnout for the particular track that is selected. The X or DON'T CARE symbol means that it does not matter where that turnout is lined to if track 1 or 2 is selected.



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