R_SEL
Selects between two REAL analog values.
Parameter values for the R_SEL function:
Parameter | Data Type | Description |
|---|---|---|
SEL | BOOL | Select signal. When TRUE, OUT=PV2 When FALSE, OUT=PV1 |
PV1 | REAL | Process variable having a REAL value. |
PV2 | REAL | Process variable having a REAL value. |
OUT | REAL | REAL value PV1 or PV2. This output is a finite value when the selected process variable has a finite value. |
Function Block Diagram Example
Structured Text Example
blink_1(Run, Cycle1); Result := R_SEL(blink_1.Q, Process1, Process2;)
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