FUNCTION_BLOCK INTEGRAL
determines approximately the integral over time.
Example: Function block in FBD
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InOut:
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Scope
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Name
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Type
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Initial
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Comment
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Input
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IN
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REAL
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Input value
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TM
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DWORD
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Time since last call in msec
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RESET
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BOOL
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TRUE: OUT is set to zero and OVERFLOW to FALSE
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Output
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OUT
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REAL
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Value of the integral. This is done by summing all part integrals IN * TM
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OVERFLOW
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BOOL
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FALSE
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TRUE: The value of OUT is out of range of REAL variables. he function is blocked till it is new initialised by input RESET.
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