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TIPs and Samples Programs for User-defined web pages and S7-1200

Created by: Denilson Pegaia at: 8/9/2011 9:35 PM (80 Replies)

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10/9/2013 11:44 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 6/1/2023 Posts: 13349 Rating: (2183)	romendra Hi, I am now having issues wrting back. Can you tell me if I am missing something on my code <!--AWP_In_Variable Name='"testblock"'--> <!--AWP_In_Variable Name='"testblock".PulseCount20Oz'--> <!--AWP_In_Variable Name='"testblock".PulseCount32Oz'--> <!--AWP_In_Variable Name='"testblock".MultiVendAmt'--> <form method="post"> <td><input type ="number" name='"testblock".PulseCount32Oz' size="2"></td> <td><input type ="submit" value="Modify"><br></td> </form> I am logged in as admin when i try to update the pulse counter but it never updates on my plc!! Take a look at the very first post by Pegaia in this thread. His write uses POST and does not look like your form. Make your form look like his example and see how that works.
	science guy
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10/9/2013 11:54 PM	Rate (0)
romendra Advanced Member Joined: 9/5/2013 Last visit: 8/25/2021 Posts: 43 Rating: (1)	Mine is like him other than the fact that I have every line in different column. If I have multiple input boxes for updating various variables do i need to use a form for each variable? or a single form would work?? I have looked at a lot of examples and they do look like what i have but it just wont update.

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10/10/2013 12:05 AM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 6/1/2023 Posts: 13349 Rating: (2183)	romendra Mine is like him other than the fact that I have every line in different column. If I have multiple input boxes for updating various variables do i need to use a form for each variable? or a single form would work?? I have looked at a lot of examples and they do look like what i have but it just wont update. His example uses the upper case POST and your example uses lower case post. I think it just might matter.
	science guy
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10/10/2013 12:18 AM	Rate (0)
romendra Advanced Member Joined: 9/5/2013 Last visit: 8/25/2021 Posts: 43 Rating: (1)	I changed it to POST on my code. No change though

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10/10/2013 12:27 AM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 6/1/2023 Posts: 13349 Rating: (2183)	AWP_Out_Variable
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10/10/2013 4:34 PM	Rate (0)
romendra Advanced Member Joined: 9/5/2013 Last visit: 8/25/2021 Posts: 43 Rating: (1)	Nope that didnt work either. Is there a setting on the plc itself that is blocking it from changing the values. I dont see any reference to any settings. Super frustrating

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10/10/2013 8:20 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 6/1/2023 Posts: 13349 Rating: (2183)	romendra Nope that didnt work either. Is there a setting on the plc itself that is blocking it from changing the values. I dont see any reference to any settings. Super frustrating Here is a simple example that works on s7-1215 FW 3.0 TIA Portal V11 SP2 Update 5: [code] <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <!-- Web page to monitor PLC tags and Data Block Tags in STEP 7: The user-defined Web page displays current values forthe PLC data, and provides a select list to view data inside the PLC.--> <!-- AWP_Enum_Def Name="OnOff" Values='0:"Off",1:"On"' --> <!-- AWP_Out_Variable Name='"To_PC"' --> <!-- AWP_In_Variable Name='"UDP_ENABLE"' Use='"To_PC".UDP_ENABLE' --> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta http-equiv="refresh" content="5"> <link rel="stylesheet" href="Test.css"> <title>Test</title> </head> <body> <form method="POST"> <input name='"UDP_ENABLE"' value=:="UDP_ENABLE": type="text"> </form> </body> </html> [/code] The above code is functional in that I can put in a 0 or 1 and set the binary tag's value as well as read the current value (when it refreshes the page). Note there are ' s and " s. Copy the above to notepad to see the differences.
	science guy
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10/10/2013 9:01 PM	Rate (0)
romendra Advanced Member Joined: 9/5/2013 Last visit: 8/25/2021 Posts: 43 Rating: (1)	I had all the 's and ''s in proper order. Have a look<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <!--AWP_In_Variable Name='"Data_block_1"'--> <!--AWP_In_Variable Name='"DBTemp1"' Use='"Data_block_1".temp1'--> <!--AWP_In_Variable Name='"Data_block_1".temp 2'--> <html> <head> <meta charset="UTF-8" /> </head> <body> temp1 value= :="Data_block_1".temp1: <form method="POST" action=""> <input name='"DBTemp1"' type="number"> <input type= "submit" value="Press at your own risk"> </form> </body> </html> I still cant write back to the plc. I do have another question though. Once the values are updated from the user page or the Variable Status tab on the web server, are the values changed permanently or just for that run??

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10/10/2013 10:15 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 6/1/2023 Posts: 13349 Rating: (2183)	I made minor adjustments to your code, and this works: [code] <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <!-- AWP_In_Variable Name='"Data_block_1"' --> <!-- AWP_In_Variable Name='"DBTemp1"' Use='"Data_block_1".temp1' --> <!-- AWP_In_Variable Name='"Data_block_1".temp2' --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> temp1 value= :="Data_block_1".temp1: <form method="POST"> <input name='"DBTemp1"' value=:="DBTemp1": type="number"> <input type="submit" value="Press at your own risk"> </form> </body> </html> [/code]
	science guy
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10/10/2013 10:42 PM	Rate (0)
romendra Advanced Member Joined: 9/5/2013 Last visit: 8/25/2021 Posts: 43 Rating: (1)	that for sure did the trick. I have tried to change everything back to how it was and it still works. What did you change?? Also once i modify my values, how do i retain the modified values to the tag?? Thanks so much.

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