Topic: DMD0041 (CONTACT) - Delta |
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The Delta contact mimics the behavior of a momentary, normally open relay as follows:
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Parameters:Note: Use the F9 key to open the Default Element Selection Tool (the Element Picker or the Element Browser) or use the Down-Arrow key (Auto-Complete) on any parameter field to see a complete list of the memory locations that are valid for that parameter of the instruction.
Element specifies the numeric or bit memory location to monitor. This can be any readable bit location or numeric location.
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See Also:(CONTACT) - Normally Closed (STRN / ANDN / ORN)
(CONTACT) - Normally Open (STR / AND / OR)
(CONTACT) Delta (STRDLT)
(CONTACT) - Negative Differential (One-shot Falling) (STRND / ANDND / ORND)
(CONTACT) - Positive Differential (One-shot Rising) (STRPD / ANDPD / ORPD)
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Related Topics:(CONTACT) - if Equal (STRE / ANDE / ORE)
(CONTACT) - if Not Equal (STRNE / ANDNE / ORNE)
(CONTACT) - if Greater Than (STRGT / ANDGT / ORGT)
(CONTACT) - if Greater Than or Equal (STRGE / ANDGE / ORGE)
(CONTACT) - if Less Than (STRLT / ANDLT / ORLT)
(CONTACT) - if Less Than or Equal (STRLE / ANDLE / ORLE)
(CONTACT) - Leading Edge Powerflow Modifier (ANDPDPF)
(CONTACT) - Trailing Edge Powerflow Modifier (ANDNDPF)
(CONTACT) - Invert Powerflow (NOT)
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Rung Example:
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