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Can’t open the SCL block “online” in PLCSIM

3/26/2023 5:12 PM	Rate (0)
Alex3110 Posts: 359 Rating: (5)	Hello, everybody ! I have Windows 7 professional SP1 64 bits. I use TIA Portal v.15.1 + the same PLCSIM + Upd1 for PLCSIM. I have a TIA Portal project with S7-1200 CPU 1214C v.4.2 . Program code is Ok (including SCL-blocks) because it is a running project on a industrial equipment. Seems PLCSIM works with my project Ok, I can simulate analog and digital tags, but when I try to view the code of SCL program block ONLINE with “Open and monitor” option, I get 2 messages : “Internal system error (error code: 0xC000AF0700008002) - Please contact SIMATIC customer support. Internal error: A referenced FunctionalObject does not exist. If I press the “Glass” button for many times then one time the window frame goes to “Orange Color” and I can see “ONLINE” but just for 7…8 sec. So I can’t see any SCL code online in PLCSIM normally.
Alex3110 Posts: 359 Rating: (5)
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3/27/2023 6:08 AM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 12/17/2025 Posts: 4493 Rating: (644)	Hi, do you also have newest Update 8 for V15.1? Regards, Towome
	If my post was useful, please rate me - if not, please tell me - thank you!
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3/27/2023 10:49 AM	Rate (0)
Alex3110 Posts: 359 Rating: (5)	Hi, Towome ! Thanks for your reply. Seems I know the reason. Seems I try to view the SCL-block ONLINE incorrectly. The SCL-block FB30 is used as instance block . It is called in 3 points of the program code and correspondently has 3 DBs (DB9, DB10, DB11) . When I click on the instance of SCL-block where it is bundled with any DB - I got the error messages. If I click on the source block (i.e. on FB30 ) without any DBs and then with RMC choose "Open and Monitor" - I got the stable ONLINE simulation. It remanes to understand next how it works.
Alex3110 Posts: 359 Rating: (5)
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This contribution was helpful to 1 thankful Users 黑色静魔

4/26/2025 8:39 AM	Rate (0)
黑色静魔 Joined: 12/5/2021 Last visit: 4/26/2025 Posts: 1 Rating: (0)	已经解决，非常感谢！ ____ Solved, thank you very much!
	Last edited by: Moderator_Lan at: 04/28/2025 08:26:57 Translation added
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