LADDER LOGIC
Can any body state Logic on following condition
Instructions to use 1-XIC 2-XIO 3-Output ONLY
Program
Push 1st button On - 1st lamp should On
Then Push 1st button Off - 1st Lamp Should remain on
Push 2nd button On - 1st lamp should Off and 2nd lamp should On
Then Push 2nd button Off - 2nd Lamp Should remain on.
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Answer Posted / gururaajan
In first rung use NO contact of Pushbutton 1 and latch it
with 1st lamp NO contact.Then use NC contact of 2nd button
and in output side use 1st lamp.In second rung use NO
contact of 2nd button latched with NO contact of 2nd lamp
and in output side use 2nd lamp.
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