Siemens S7/TIA v18: What does "Object Number" mean?... - PLCS.net

Mas01 · August 31st, 2023, 10:09 AM

The picture attached relates to the properties for the F9 key.

Does anyone know what 'object number' refers to?

What does 'object number' mean?

I bet it's something really useful that I wish I'd known about a lot earlier...

Thanks

drbitboy · August 31st, 2023, 10:33 AM

Have you tried pressing F1 while on that entry in the HMI design GUI?

I can only guess that it is the "Object Number" of the widget on the target screen that gets keyboard focus when that target screen is activated, so the user does not have to take an extra step to be able to e.g. start typing to enter a value into a text box widget.

This is only a guess; if there are object numbers assigned to each widget (button, shape, text box, etc.) on a screen and those are available to, then the likelihood of it being a good guess goes up.

Mas01 · August 31st, 2023, 10:39 AM

Cool @drbitboy!

I've pressed F1 before for general help, but didn't realise it was also selection-specific!

I shall read further - that's a neat feature!
Cheers

drbitboy · August 31st, 2023, 10:49 AM

Yeah, it's the tab sequence number of the widget (object) that gets focus after the screen change.

See also here: https://support.industry.siemens.com...pdf#page=14835

To view that, you will need a Siemens login, which is free to create.

Mas01 · August 31st, 2023, 12:41 PM

Quote:

Originally Posted by drbitboy

Yeah, it's the tab sequence number of the widget (object) that gets focus after the screen change.

See also here: https://support.industry.siemens.com...pdf#page=14835

To view that, you will need a Siemens login, which is free to create.

I can view that - cheers again.

August 31st, 2023, 10:33 AM	#2
drbitboy Lifetime Supporting Member Join Date: Dec 2019 Location: Rochester, NY Posts: 7,302	Have you tried pressing F1 while on that entry in the HMI design GUI? I can only guess that it is the "Object Number" of the widget on the target screen that gets keyboard focus when that target screen is activated, so the user does not have to take an extra step to be able to e.g. start typing to enter a value into a text box widget. This is only a guess; if there are object numbers assigned to each widget (button, shape, text box, etc.) on a screen and those are available to, then the likelihood of it being a good guess goes up. __________________ _ Brian T. Carcich i) Take care of the bits, and the bytes will take care of themselves. ii) There is no software problem that cannot be solved with another layer of indirection. iii) Measurement is hard. iv) I solemnly swear that I am up to no good v) I probably have the highest ratio of forum posts to actual applications in the field (but no longer ∞ ). vi) Hakuna matata. vii) Bookkeeping. viii) But I should be ignored.

August 31st, 2023, 10:49 AM	#4
drbitboy Lifetime Supporting Member Join Date: Dec 2019 Location: Rochester, NY Posts: 7,302	Yeah, it's the tab sequence number of the widget (object) that gets focus after the screen change. See also here: https://support.industry.siemens.com...pdf#page=14835 To view that, you will need a Siemens login, which is free to create. __________________ _ Brian T. Carcich i) Take care of the bits, and the bytes will take care of themselves. ii) There is no software problem that cannot be solved with another layer of indirection. iii) Measurement is hard. iv) I solemnly swear that I am up to no good v) I probably have the highest ratio of forum posts to actual applications in the field (but no longer ∞ ). vi) Hakuna matata. vii) Bookkeeping. viii) But I should be ignored.

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