Skip to Content

Register Login

Industry Online Support

Technical Forum

Navigation

string to value conversion help

Created by: Ratan at: 5/9/2011 10:07 AM (6 Replies)

Rating (0)

Thanks 1

7 Entries

5/9/2011 10:07 AM	Rate (0)
Ratan Experienced Member Joined: 12/7/2010 Last visit: 9/10/2023 Posts: 89 Rating: (0)	i have problem regarding using string to value conversion instruction i have attched image for reference Attachment 38oON7Pd.jpg (324 Downloads)

Suggestion To thank Quote Answer

5/9/2011 6:18 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 11/29/2023 Posts: 13945 Rating: (2277)	P needs to be an UINT with a value of 1. The other block parameters look ok.
	science guy
Suggestion To thank Quote Answer

5/10/2011 4:10 AM	Rate (0)
Ratan Experienced Member Joined: 12/7/2010 Last visit: 9/10/2023 Posts: 89 Rating: (0)	i have tried to move value 1 in P but it is not transfering that value to P

Suggestion To thank Quote Answer

5/10/2011 3:15 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 11/29/2023 Posts: 13945 Rating: (2277)	Ratan i have tried to move value 1 in P but it is not transfering that value to P You need to put a value of 1 into a tag, like P_TAG1 (%MW50), and then put the P_TAG1 where you want the '1' value to go. It does not allow constants at that input.Pressing F1 when the instruction block is selected brings up the help specific to the module and clearly shows what types of values are allowed. May save some time in the future. I know it has saved me much time.
	science guy
Suggestion To thank Quote Answer

5/10/2011 8:46 PM	Rate (0)
Ratan Experienced Member Joined: 12/7/2010 Last visit: 9/10/2023 Posts: 89 Rating: (0)	thanks you dear huggy for reply my answer, actually the thing you have mentioned in your post i have tried already but value 1 is moving to P, that is what the problem is and also EN is directly connected and the outer boundry of instruction STR_VAL is not chages it colour to green so where i can found my problem i have already assinged P to Usint data type.

Suggestion To thank Quote Answer

5/11/2011 6:43 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 11/29/2023 Posts: 13945 Rating: (2277)	Ok, I understand the problem. The solution is to add another UINT tagand a MOVE command. See attached. Then you can alter the P tag's value. Attachment S7-1200_STRG_VAL_SETUP.jpg (364 Downloads)
	science guy
Suggestion To thank Quote Answer

5/17/2011 5:46 AM	Rate (0)
Ratan Experienced Member Joined: 12/7/2010 Last visit: 9/10/2023 Posts: 89 Rating: (0)	thanks Huggy you solved my problem.... this works

Suggestion To thank Quote Answer
This contribution was helpful to 1 thankful Users 0_Einstein

|

Share this page:

Share this page on...

Follow us on