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Diagram password when opening program in V8.3

Created by: Zemeckis88 at: 9/15/2021 9:46 AM (15 Replies)

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9/15/2021 9:46 AM	Rate (0)
Zemeckis88 Posts: 2 Rating: (0)	Hi I`m having a problem when opening a plc program(lsc) in V8.3 but I can open it in V8.2.1 whitout asking for a diagram password. Why is that? I need to use V8.3 to transfere program to logo device. Attachment Merknad 2021-09-15 094509.jpg (432 Downloads)
Zemeckis88 Posts: 2 Rating: (0)
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9/15/2021 10:02 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	Please can you upload the LSC file as a ZIP file? If you don't want to make it public then send me the ZIP file via private message.
	Last edited by: ixo65 at: 09/15/2021 10:07:11
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9/15/2021 10:22 AM	Rate (0)
Mr.V Silver Member Joined: 6/19/2019 Last visit: 9/8/2025 Posts: 743 Rating: (79)	I think before was created password for this project then deleted.. but in struxture left these parameter and then try open with 8.3 it will ask again pasword. Try open project and enter pasword in V8.3 then press delete pasword and save as new program

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9/15/2021 10:36 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	I never heard when a older LSC versions without diagram password in LSC V8.3 that LSC V8.3 ask for a diagram password.

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9/15/2021 10:50 AM	Rate (0)
Mr.V Silver Member Joined: 6/19/2019 Last visit: 9/8/2025 Posts: 743 Rating: (79)	For me was one situation: LOGO controller was pasword protected, so can't retreve program from controller. So we decided ask program who made machine. We get program and with LOGO 8.2 was opened and works normaly, after some time appear LOGO 8.3 and we installed new LOGO 8.3 to our pc and now we can't open program becouse ask password. ixo65 I never heard when a older LSC versions without diagram password in LSC V8.3 that LSC V8.3 ask for a diagram password.

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9/15/2021 10:53 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	I sad the same: I never heard it before.

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9/15/2021 11:43 AM	Rate (0)
Zemeckis88 Posts: 2 Rating: (0)	Mr.V I think before was created password for this project then deleted.. but in struxture left these parameter and then try open with 8.3 it will ask again pasword. Try open project and enter pasword in V8.3 then press delete pasword and save as new program When I open the project in V8.3 I need to enter a password before the project even opens so It`s difficult for me to do that. I opened the prosject in V8.2 but I still need old password to make a new one/delete the old one and save it and then open it in V8.3
Zemeckis88 Posts: 2 Rating: (0)
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9/15/2021 1:08 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	It seems it's a another Bug in LSC V8.3. I made a test. I made a program in LSC V8.2. Then I make program password protection, remove the program password protection and the i saved the program and closed it. Then I opened the program with LSC V8.2, no asking for password. But when I try to open the program in LSC V8.3, then asking for password. Start a Support Request.
	Last edited by: ixo65 at: 09/15/2021 13:08:34
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9/15/2021 1:17 PM	Rate (0)
Mr.V Silver Member Joined: 6/19/2019 Last visit: 9/8/2025 Posts: 743 Rating: (79)	If you don't remember pasword insert logo program here or send me individualy i will try find it Zemeckis88 Mr.V I think before was created password for this project then deleted.. but in struxture left these parameter and then try open with 8.3 it will ask again pasword. Try open project and enter pasword in V8.3 then press delete pasword and save as new program When I open the project in V8.3 I need to enter a password before the project even opens so It`s difficult for me to do that. I opened the prosject in V8.2 but I still need old password to make a new one/delete the old one and save it and then open it in V8.3

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9/16/2021 9:10 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	In the German-speaking part of the forum account "LOGO! Support" a post was created, where after this behavior in LSC V8.3, according to the development department, a new feature. Programs protected by a program password can only be opened in LSC V8.3 if the password query is answered correctly.

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This contribution was helpful to 1 thankful Users Jen_Moderator

9/28/2021 3:57 PM	Rate (0)
popmihairadu Posts: 3 Rating: (0)	Hi, can I please get some support to open diagram on V8.3. Is now asking me for a password. Thanks. This is the diagram file, I put it on a free host as it does not accept the file. diagram file Attachment LOGO_U_P.zip (326 Downloads)
popmihairadu Posts: 3 Rating: (0)	Last edited by: popmihairadu at: 09/28/2021 15:58:35 Last edited by: Jen_Moderator at: 09/29/2021 08:59:27 Removed link and added file as an attachment.
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9/28/2021 4:05 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	popmihairadu Hi, can I please get some support to open diagram on V8.3. Is now asking me for a password. Thanks. This is the diagram file, I put it on a free host as it does not accept the file. diagram file At next time don't use file server but zip the file and attach then the ZIP file.

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9/28/2021 4:08 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	Hello popmihairadu, the file has a diagram password. Without this password you can not open the file.

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9/28/2021 4:09 PM	Rate (0)
popmihairadu Posts: 3 Rating: (0)	ixo65 popmihairadu Hi, can I please get some support to open diagram on V8.3. Is now asking me for a password. Thanks. This is the diagram file, I put it on a free host as it does not accept the file. diagram file At next time don't use file server but zip the file and attach then the ZIP file. Ok, I put it as a zip. Still can not open it, what can i do ? Thanks Attachment LOGO_U_P.zip (343 Downloads)
popmihairadu Posts: 3 Rating: (0)
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9/28/2021 4:12 PM	Rate (0)
popmihairadu Posts: 3 Rating: (0)	ixo65 Hello popmihairadu, the file has a diagram password. Without this password you can not open the file. I lost it, this means there is nothing I can do at this point ?
popmihairadu Posts: 3 Rating: (0)
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9/28/2021 4:22 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	popmihairadu I lost it, this means there is nothing I can do at this point ? No, without password is opening of the file not possible.

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