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  1. I've got a client with a Modicon Unity Controller CPU 311_10 with a NOE 771_01 Ethernet card that appears to have security enabled that keeps us from looking at the code. We only tried accessing the CPU web page from a browser and it came up with a Login we couldn't get past. We didn't have Unity Pro software with us at the time but assume we will still encounter the same security login. The person who was responsible for this system is no longer alive, his company is gone, and there is no backup. Does anyone have any idea how to get into this PLC? Thanks in advance for your help. Joe M

  2. Apache Log4J

    BobLfoot posted a topic in Computer Help and Networking

    IT will be making more and more news that the Apache Logging Unit - LogShell ot Log4J2 has a major remote access vulnerability.  This is a widely used subsystem and so I am posting what I've been able to garner about affected automation products here and hope others post factual not anecdotal evidence here as well. Aveva Wonderware - https://wonderwarenorth.com/tech-alerts/Tech%20Alert%20-%20Apache%20Log4j.pdf Rockwell Automation - https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1133605/loc/en_US#__highlight GE Proficy - https://digitalsupport.ge.com/communities/servlet/fileField?retURL=%2Fcommunities%2Fapex%2FKnowledgeDetail%3Fid%3DkA28a000000bzlgCAA%26lang%3Den_US%26Type%3DArticle__kav&entityId=ka28a000000c3DPAAY&field=File_1__Body__s

  3. HMI user

    ABlearner posted a topic in Allen Bradley / Rockwell Automation

    Hi! I would like to ask your help. I have a problem with an allen bradley touch panel. I would like to know which user is active. Like maintenance, administrator... Is there any dedicated tag to decide and  to convey it toward the plc (also ab). If there is none. Can anybody suggest an alternative solution ?  Thanks ahead in advance. 

  4. Password for GX3 Files

    DWIM posted a topic in Mitsubishi

    Hello We use to protect our files from GT Designer3 with a username and password. So, I can only open the project if I know the user and password. Very handy. I found that function not in GX Works 3. The field "User management" in "project" menu is disabled (grey). So, I surely miss something.  Can somebody help? The manual only tells about Block and CPU security.  Thanks!  
  5. Hello everyone, we have a problem with a connection of a Schneider HMI and a Schmersal Security PLC, do anyone have some experience in that? it's about addressing, it's unable to map address from Schmersal PLC to Schneider HIM the address of the I/O channels in the network ? What should I do?
  6. I've added users in CX-Supervisor Developer, built and copied the SR3 file over but the new users don't travel with it. (I didn't think they should be embedded in the project file.) How do I transfer the user accounts from Developer to Runtime?
  7. Hello everybody, I have network from : PC - 192.168.3.11 PLC - 192.168.3.250 I change this option in FX5U PLC in GX Works3 for Network Ethernet port --> Application Setting -> Security -Disable Direct connect with MELSOFT : Enable/disable -DO not respond CPU module search : Respond / not respond and I upload program to PLC. After upload program to PLC and restart it was impossible to connect again. I Have ping between PLC and PC, but could't write program. Always writes me Error <ES:0180840b> So to disable Security Option you should to do : 1. Open Works3 2. New Project (Choose your PLC - FX5U) 3. Online menu 4. Specify Destination Communication 5. Click twice in PLC module 6. Set Connect via hub (In my case i connect PC and PLC directly !) 7. Choose IP Address ( in my project : 192.168.3.250 , PC must be in same network 192.168.3.X) 8. Give OK 9. Connect Test. With steps I disable security options and it was enable to connect to PLC and Write data on it. I Hope that will help to other with same problem. Special thanks to : Piotr Tynor(Mitsubishi, Poland ) , Adam Syrek (Mitsubish, Poland ) , I. Ayvazova (Bulgaria) , K. Raykov (Bulgaria)
  8. Hello! I am programming with FT view studio version 8. In the program, when I make numeric display, I can not input values for this tag I am using in the display. Then I decided to make 'invisible button' for enabling the input for this tag which is shown in the numeric display. This is okey for me, only if there is other ways to do this please tell me. Now when I have created this numeric display with input enabling -'group', I have a problem, how can I use security levels for this group, so that only logging in values can be set? I have found that there is security code selection for this in the screen displays, but not for the buttons.
  9. Hello! I'm working on a project. I cannot get online with the PLC. The compagnie who made the program does not exist anymore so they cannot help me. Does anyone knows how to unlock a locked controller ? Do you know a compagnie who can solve this kind of problem ? Otherwise my only option is to wipe the all thing and reprogram it .... which would be bad. Thanks !

  10. Need Logic

    jo2ham posted a topic in HMI & SCADA

    Hi everyone, I want to develop a logic for security alert system. I have to generate an alarm at irregular time intervals. No one should know the time interval. PLC has to give a digital output at any time. How to create this logic? Regards Joshua
  11. Hi all, First post: I just want to know if there's a way to edit/change the users (security) in factorytalk view studio (using version 7.00.00 CPR 9 SR 6) Because we use different terminals some of the users are on some but not on others and there are instances of duplication with differing passwords as well as redundant users, I want to standardise all of them on each laptop, I cant however see how to modify or delete any. Do I need to restore the directory or something? I couldn't find what I specifically wanted in the search Thanks in advance for any help, Laure