Dear brothers, We are reaching out to address an issue we encountered while using a piece of equipment we recently purchased. A PLC company in Korea identified a possible problem with the PLC, but due to a password restriction, they found it challenging to resolve. The equipment company suggested changing the communication line, but progress has been slow. Even after replacing the communication cable, the same issue persists. After researching online, it appears that our Allen Bradley PanelView Plus may be stuck in remote mode, which aligns with our current situation. However, taking action based on this information has proven to be difficult. The model of PLC we are using is the 1766-L32BXB. We are unsure how to proceed without the password, as the equipment company is reluctant to share it. Do you have any suggestions on how we can overcome this obstacle? We appreciate your attention to this matter and eagerly await your valuable feedback. Thank you.
In a PLC, the DINT tag dictates which page the HMI displays. When the DINT tag is set to 0, the HMI can be changed using the HMI interface. However, if the value is not 0, the HMI will display the specified page or a default page if the specified page does not exist (e.g. 6734). If you attempt to change the page when the value is not 0, you will encounter the mentioned error. Unfortunately, the MicroLogic family does not support a master password. If you are unable to access the PLC to alter the tag value, is it possible to reprogram the HMI to reference a different tag? In the past, I have reprogrammed welding cells to display the status of turntable sensors for just one second during the AUTO cycle before reverting back to 0. This allowed operators to quickly check other machines without having to switch modes. Previously, they would have to switch to service or teach mode to view a different screen.
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It sounds like quite a predicament you're in. I have also encountered a similar issue with an Allen Bradley PLC, and I know how frustrating this can be. My suggestion may not be the most direct, but it often works: Instead of waiting for the equipment company to provide the password, why don't you try reaching out to Allen Bradley's customer service? They are usually cooperative and might provide you with a master reset password. This way, you can potentially take the PLC out of remote mode and solve the issue. Plus, this would give you more control over the machine in the future. Just remember, it's crucial to set your own password after the reset to secure your PLC.
I feel your frustration on this matter, it's certainly a challenging situation. You might be able to reset the password with some PLCs, but with the specific model you mentioned, the 1766-L32BXB, it might be a bit more complicated. If you have the program backup, you might be able to wipe the PLC and reload the program. Also, do consider reaching out to your local Allen Bradley representative or distributor - they might be able to provide support or escalate your issue to a higher level. In my experience, it usually works out. Let us know how it goes!
I understand your frustration, dealing with locked equipment can be quite a hurdle. There's no guaranteed solution without the password, but there are a few things you might try. Firstly, you could push for more cooperation from the equipment company, emphasizing the critical nature of your operations. In the meantime, consider hiring a specialist who could potentially workaround the password. Be mindful though, any tampering could potentially void any warranty on the equipment. Additionally, you might want to check Allen Bradley's official forums or technical supports; sometimes firmware updates or certain procedures can put a device back into its local mode. Lastly, remember to develop a protocol for password management in the future to avoid similar issues.
I understand your plight, it definitely seems like a tricky situation. According to my experience with Allen Bradley PLCs, it's pretty common for them to get locked in the remote mode, but you should be able to reset it manually. Unfortunately, the password is central to this process. I'd suggest pushing back a little more with the equipment company, expressing the urgency of your situation. If they continue refusing, you may have to involve the upper management of your companies or consider involving a mediator. On a side note, always ask for the passwords upfront when purchasing such sensitive equipments in the future. It's a lesson hard learned in this case. Best of luck!
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Answer: Answer: To troubleshoot a remote control issue with an Allen Bradley PanelView Plus1000, you can try resetting the device, checking the communication settings, and ensuring the correct communication cable is being used.
Answer: Answer: If your Allen Bradley PanelView Plus is stuck in remote mode, you can try accessing the device's settings menu to switch it back to local mode. If you are unable to do so due to password restrictions, you may need to contact the equipment company for assistance or seek guidance from a professional technician.
Answer: Answer: If you are facing a password restriction issue with an Allen Bradley PLC, you can try reaching out to the manufacturer or a certified technician for assistance. They may be able to provide you with the necessary steps to bypass or reset the password to resolve the problem.
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