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TOF RST and ET

Created: 2018-05-01

Updated: 2018-05-01

alverman - 2018-05-01

hello, I need a TOF that has RST and ET

OSCAT has a TOF with RST but does not have ET
Standard TOF has ET but has no RST

How can I solve ?

Thanks, Alberto

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Just make your own: (Should work but needs to be tested)

FUNCTION_BLOCK TOF_Advanced
VAR_INPUT
    IN:BOOL;
    PT:TIME;
    RST:BOOL;
END_VAR
VAR_OUTPUT
    ET:TIME;
    Q:BOOL;
END_VAR
VAR
    tStartTime : TIME;
    tCurrentTime : TIME;
END_VAR
//Read system time
tCurrentTime := TIME();
//Set Q based off IN and PT
IF RST THEN
    Q := FALSE;
    ET := T#0MS; //You can reset ET here also if wanted
ELSIF IN THEN
    Q := TRUE;
    ET := T#0MS;
    tStartTime := tCurrentTime;
ELSIF tCurrentTime - tStartTime >= PT AND Q THEN
    ET := tCurrentTime - tStartTime;
    Q := FALSE;
    tCurrentTime := T#0MS;
ELSIF Q AND NOT IN THEN
    ET := tCurrentTime - tStartTime;
END_IF

IMG: TOF_Advanced.PNG

alverman - 2018-05-01

WooooooW

Work very fine

Thanks

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TOF RST and ET