It is desired to control the coil of a relay CR4 using relay contacts CR1, CR2, and CR3. CR4 is to be ON whenever a majority of CR1, CR2, and CR3 are ON (i.e. any two or all three). Draw a one-rung relay ladder diagram that will produce the logical operation.© BrainMass Inc. brainmass.com March 4, 2021, 7:27 pm ad1c9bdddf
Please see the attached file.
Since there are three possibilities to turn on the majority of the ...
The solution draws a one-rung relay ladder diagram to control the contacts. Logical operations are analyzed.