SiePortal

The integrated platform for your product selection, buying and support workflow - bringing together Industry Mall and Online Support.

Products & Services
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
Support Support
{{(apiData.Support | filter:{'rank':1}:true)[0].title}} Support
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
MySiePortal MySiePortal
{{(apiData.MySiePortal | filter:{'rank':1}:true)[0].title}} MySiePortal
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
Cart ({{apiData.CartCount}})

Navigation

BB blocks in PLC S5-135U

8/8/2023 5:54 PM	Rate (0)
BLimaM4I Bronze Member Joined: 6/12/2012 Last visit: 11/26/2025 Posts: 165 Rating: (7)	Hello, Can anyone indicate me what are the BB blocks in the attached image? Where can I read documentation how to understand them? Thanks, Bruno Attachment BB blocks.png (1151 Downloads)
	Thanks, Bruno
Suggestion To thank Quote Answer

8/8/2023 6:53 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 12/26/2025 Posts: 36378 Rating: (4544)	BB block is from german mnemonik . BB = Bildbausteine Use you STEP5 with English language, then is it VB instead of BB. Here a screenshot of a BB: Attachment STEP5 V7.2 manual pages 113+114.pdf (1314 Downloads)

Suggestion To thank Quote Answer
This contribution was helpful to 1 thankful Users BLimaM4I

8/8/2023 9:08 PM	Rate (0)
BLimaM4I Bronze Member Joined: 6/12/2012 Last visit: 11/26/2025 Posts: 165 Rating: (7)	Thanks for the reply. I'm using s5 s7 for Windows. So know I understand why I can't download them. It's only a variable list to force values and monitor along the process.
	Last edited by: BLimaM4I at: 08/08/2023 21:28:31 Thanks, Bruno
Suggestion To thank Quote Answer

8/9/2023 1:59 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 12/26/2025 Posts: 36378 Rating: (4544)	S5S7 for Windows is not the original STEP 5 from Siemens. Therefore it does not have all functions and some things are misinterpreted.

Suggestion To thank Quote Answer

8/10/2023 3:06 PM	Rate (0)
TIBI68 Gold Member Joined: 12/1/2009 Last visit: 7/14/2025 Posts: 672 Rating: (147)	Dear Bruno, the BB is no program block! It is just a variable table number (Bildbaustein in German = BB). It is equal to a VAT Table name in S7. Best Regard. TIBI68
	Give us your feedback and show us your respect! We take our free time to support you with our knowledge and experience. If this post is helpfull to you kindly click on "Rate" or "Thank".
Suggestion To thank Quote Answer

Share this page:

Share this page on...