Troubleshooting ControlLogix 5571 Firmware Upgrade Issue: Lost Communication with RsLinx

Question:

Hello there, I encountered an issue while upgrading the firmware on a new controlLogix 5571 controller to version 20.04.01 using ControlFlash. During the installation, communication was lost between the controller and my laptop, resulting in RsLinx being unable to detect the controller. I would appreciate any suggestions on resolving this problem. Thank you.

Top Replies

Greetings. Which interface are you currently utilizing? Have you attempted using a USB connection?

I am currently utilizing an Ethernet cable with the Ethernet module on the rack. I will also test the USB connection. Thank you for your response.

If you are experiencing connectivity issues between your PC, PLC, and field devices, it could be due to an incompatible IP address on your computer. Compatible IP settings are crucial for seamless communication between these devices.

Alfredo Quintero inquired: "Which interface are you currently utilizing? Have you attempted connecting via USB? I have tried using various USB cables and laptops, but the pop-up dialog for installing a new device is not appearing."

Alfredo Quintero noted that a possible issue may be an incompatible IP address on your PC in relation to the IP settings of the PLC and field devices. However, I can confirm that the IP address is indeed compatible, as I am able to successfully communicate with both the redundancy module and controlnet module located on the same rack.

Hi there, I've had a very similar issue before. It sounds like you might have to do a hard reset on your controlLogix 5571controller. You can do this by cycling the power, wait for a couple of seconds and then reapply which can force the controller back online. Also, it's crucial to ensure you're using the correct version of ControlFlash software that aligns with the version of firmware you're trying to install. If you continue to face the issue, perhaps try with different Ethernet cables or even a different laptop. It can be a tedious process, but hopefully, these steps should help you rectify your problem.

Hey there, I've faced similar issues before. It's possible that the communication was lost due to a faulty USB cable or port. I'd recommend you to first try using a different cable or port. Alternatively, you may want to verify your Ethernet/IP driver settings in RsLinx if you're connected via an Ethernet cable. Occasionally, connectivity issues may also arise if the firmware version isn't compatible with the current RsLinx version. Make sure their versions are aligned, and don't forget to back up your controller's configuration before running the upgrade process again.

Hey there! It sounds like you might be experiencing a connectivity issue during the firmware update. One thing you could try is resetting the controller and making sure the cable is securely connected before re-attempting the procedure. Also, verify that your RsLinx, ControlFlash, and laptop drivers are completely updated. Lastly, you could try installing the firmware from a different laptop, if available, or consider an older version of the firmware just to rule out compatibility issues. Hope this helps!

Hey there! I've encountered similar issues before. One thing that could be causing the problem is if there's a mismatch between the versions of RsLinx and ControlFlash you're using. Make sure they both are compatible, usually the latest versions work seamlessly with each other. If that's not the issue, it may be worth trying a different communication cable or port to ensure that it's not a hardware-related issue. If nothing works, reset the controller, but be aware that you'd lose all your configurations. Good luck!

It sounds frustrating to lose communication in the middle of a firmware update! One thing to try is to power cycle the controller and your laptop, then reconnect everything to see if that helps RSLinx recognize the controller again. Also, check your USB or Ethernet cables for any loose connections or damage, as even a slight issue there could cause problems. If the communication still isn’t restored, consider using the bootloader mode on the controller, if available, to re-establish the connection and attempt the update again. Good luck!

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Frequently Asked Questions (FAQ)

FAQ: FAQs:

Answer: 1. Why did communication get lost during the firmware upgrade process with ControlFlash on my ControlLogix 5571 controller? - Communication may have been lost due to various reasons such as interruptions in the network connection, incompatible firmware versions, or errors during the upgrade process.

FAQ: 2. How can I resolve the issue of RsLinx being unable to detect the ControlLogix 5571 controller after a failed firmware upgrade?

Answer: - You can try troubleshooting steps such as restarting the controller, checking the network connection, reinstalling drivers, or using alternate communication protocols.

FAQ: 3. What are some best practices to follow to avoid communication issues during firmware upgrades on ControlLogix controllers?

Answer: - It is recommended to ensure a stable network connection, verify firmware compatibility, back up important data before upgrades, and follow proper procedures outlined in the firmware upgrade documentation.

FAQ: 4. Is there a way to recover the ControlLogix 5571 controller after a failed firmware upgrade and lost communication?

Answer: - Depending on the specific situation, there might be recovery options like restoring from a backup, using a USB connection for communication, or contacting technical support for assistance.

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