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Nairaland Forum / Science/Technology / Programming / Air Compressor Ladder Logic Circuit. (1416 Views)
How To Code This Logic With Php... / I Need A Smart Programmer To Solve This Logic? / Who Knows About Ladder Logic Programming??? (2) (3) (4)
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Air Compressor Ladder Logic Circuit. by coolslim: 7:08am On Aug 29, 2016 |
ANALYSIS . The image attached to this write up is a basic compressor electrical control .The control is a simple two rungs ladder logic control circuit. Recall that our objective was to : "to start our compressor motor "IF compressor stored pressure is BELOW allowed pressure limit and switch it OFF "IF" compressor accumulated pressure is ABOVE set limit" .Our primary objective therefore is to develop an equivalent logic circuit for the statement highlighted in yellow . Legend : XCB = Miniature CB XOFF = Stop switch XStart = Start Switch YC1 = NO contact of YC1 contactor. YC1 =Main Contactor Coil XPR_SW. = pressure switch. XOL = Overload relay YR1 = Recycle relay YR1 = Recycle relay contact YC1. = contactor auxiliary contact. See ladder logic circuit. |
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