TIA Portal: change tag value - PLCS.net

ASF · September 27th, 2016, 06:35 AM

Hi all,

I've got what I'm sure is a simple question about TIA portal, but my AB brain just can't work it out.

I'm online with an S7-1200 using TIA portal v11. I have a couple of REAL tags (members of a data block) whose values I want to manually manipulate in TIA portal. Nothing is currently writing to them - they're settings, which can be changed from a HMI, but otherwise remain the same. In AB world, it's as easy as "monitor tag" and typing in a new value - or even just typing the new value into it in the ladder editor.

In TIA portal? Can't for the life of me find a way to do it. I can monitor the data block, but I can't see a way to change it. I can add the tags to a force table, but I can't force them. I can see the values in the ladder editor, but I can't find an option to change them. Can anyone put me out of my misery?

adfox · September 27th, 2016, 06:46 AM

It's called watch and force tables

Enter in watchtable tag address or name.

ASF · September 27th, 2016, 06:52 AM

Ah, watch tables...didn't think of that! I've left site now but will give it a shot in the morning. Thanks!

m_turk · September 27th, 2016, 02:45 PM

And when it is used, while watching ladder online, you can right click and "modify value"...

September 27th, 2016, 06:35 AM	#1
ASF Lifetime Supporting Member Join Date: Jun 2012 Location: Australia Posts: 3,653	TIA Portal: change tag value Hi all, I've got what I'm sure is a simple question about TIA portal, but my AB brain just can't work it out. I'm online with an S7-1200 using TIA portal v11. I have a couple of REAL tags (members of a data block) whose values I want to manually manipulate in TIA portal. Nothing is currently writing to them - they're settings, which can be changed from a HMI, but otherwise remain the same. In AB world, it's as easy as "monitor tag" and typing in a new value - or even just typing the new value into it in the ladder editor. In TIA portal? Can't for the life of me find a way to do it. I can monitor the data block, but I can't see a way to change it. I can add the tags to a force table, but I can't force them. I can see the values in the ladder editor, but I can't find an option to change them. Can anyone put me out of my misery?

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September 27th, 2016, 06:46 AM	#2
adfox Member Join Date: Jun 2006 Location: Poland Posts: 331	It's called watch and force tables Enter in watchtable tag address or name.

September 27th, 2016, 06:52 AM	#3
ASF Lifetime Supporting Member Join Date: Jun 2012 Location: Australia Posts: 3,653	Ah, watch tables...didn't think of that! I've left site now but will give it a shot in the morning. Thanks!

September 27th, 2016, 02:45 PM	#4
m_turk Member Join Date: Jan 2008 Location: ZG Posts: 253	And when it is used, while watching ladder online, you can right click and "modify value"...

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