CompactLogix - Calculating Elapsed Time Example....??

tmiuser · Jul 17, 2009

I am setting up a SHIFT run-time calculator.

Currently, I have a Panelview with START/END times setup that the operator can change (if needed)

like :
Shift Start: 07:30 Shift End: 15:30

Break1 Start : 08:00 Break1 End: 08:20

the Hour and Minutes are 24 hours format and separate tags.
(i.e..ShiftStartHour, ShiftStartMin and Break1Start, Break1End)

Is there an easy method to calculate the elapsed time for a given item?

Like:
Shift Total Run Time would be : 8 hours (or, I could take it in Seconds.......)

Break1 Time would be 20 minutes....)or, I could take it in seconds...)

either way, I was hoping somebody had a quick(dirty) way of doing this!!

: P

widelto · Jul 17, 2009

Here you are, these are AOIs, please unzip them, then import them into your program and ready to use.
Tless and Tdiff run together, time_elapsed runs by itself.
I have used them lots of time with no problem.

tmiuser · Jul 17, 2009

bill?

How to import?
(Sorry, never imported into a CompactLogix before....)
I see a option, but it only allows *.CSV, and *.TXT....

widelto · Jul 17, 2009

tmiuser said:
bill?

How to import?
(Sorry, never imported into a CompactLogix before....)
I see a option, but it only allows *.CSV, and *.TXT....

First of all, you have to use at least V16 of Rslogix5000, unzip my file then import them into your application as shown in figure.
From that point on they are ready to use. Please read publication 1756-pm001_-en-p.pdf you can download it from www.ab.com chapters 9 & 10 for help.

tmiuser · Jul 17, 2009

OK...I started the import.
but, RSLogix V16 is complaining that I don't have a 'DT' data type.

But....you're doing great!.....

fly me in cap'tn!!

widelto · Jul 17, 2009

tmiuser said:
OK...I started the import.
but, RSLogix V16 is complaining that I don't have a 'DT' data type.

But....you're doing great!.....

fly me in cap'tn!!

Do not worry DT can be designed by you, if any help let me know.

tmiuser · Jul 17, 2009

I guess I need to understand more what the datatype 'DT' is......
I am assuming I must create it before I can complete the import.
It permitted me to import the 'Time_ElapsedFB'...but I can't import the others without making this datatype.....
??

Sorry I am keeping you tied up....

tmiuser · Jul 17, 2009

ha...then, I'll hafta peruse the functions to see how to use them.

: /

widelto · Jul 17, 2009

Here is the DT (UDT)

tmiuser · Jul 17, 2009

YES.....ok...got everything imported!

ha...now, I guess I just slap 2 separate Hr/Min/Secs at it....and it spits something back at me?
hahhaaa....

dmroeder · Jul 17, 2009

So in his first picture if you look about two lines up you will see "User-Defined". You would add a new data type and make it look like his second picture.

UDT = User-Defined Data Type

tmiuser · Jul 17, 2009

I got the TDIFF instruction loaded on a rung.

There isn't any help on the parameters...
: /

TDIFF
DT1
DT2
Time
?

dmroeder · Jul 17, 2009

Ah, I'm too slow...

widelto · Jul 17, 2009

This is an example how the AOI are used:
First rung when system starts, second rung real time, third rung do not pay attention, fouth rung time elapsed.

tmiuser · Jul 17, 2009

Bill............

You the MAN....
that works GREAT....
Appreciate the support.

I'll get a little something extra put in your paycheck at the end of the week!!!!!

: )

CompactLogix - Calculating Elapsed Time Example....??

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