PLC Training || Tia PortaL || 02-Stopwatch with SCL & Ladder

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This is a New Tutorial on How To create a Stopwatch using the SCL & Ladder language.
The system has 3 Buttons as Inputs :
- Enable : To start Counting Seconds, Minutes & Hours
- Pause : To Pause counting ..
- RESET : to reset the Stopwatch
Leave a comment if you did not understand any step in This tutorial.
you can watch my previous PLC Training Video :
01-Temperature Control System
• PLC Training || Tia Po...
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------------ Summary --------
00:00 : Intro
00:15 : Hardware Configuration
00:45 : Stopwatch with SCL Language
08:10 : Creating The HMI station
11:37 : Stopwatch with LADDER Language
18:40 : Outro
#Automation #TiaPortaL #ProTuto

[@ahmedafifi2984]

Very good sir
But i have question
When we use scl and when other Languages?
Can i use only scl to write any program or i must use other languages?

[@PROTUTO89]

In many applications, you have the possibility to choose either SCL or Ladder language. But in some applications, like working with arrays , working with complex mathematical formulas or using indirect addressing , there , you have to work with SCL or STL language because they are implemented to execute these such tools.
Regardless the used language in your program , The PLC will compile and execute your program , so that , you can write your program only with SCL ( if needed ), or you can use SCL and the othere languages , it does not matter !

[@ahmedafifi2984]

@@PROTUTO89 thanks sir

[@doroeszlari3604]

IN SCL : IF #SECONDS >=60 THEN ...
IF #MINUTES >= 60 THEN ..
IN LAD : IF #SECONDS >=10 THEN ...
IF #MINUTES >= 5 THEN ..
WHY?
Are they both the right solution?
Or only the first?

[@doroeszlari3604]

HOURS , MINUTES AND SECONDS WHY OUTPUT; WHY NOT INOUT ?