Hello everyone, I am troubleshooting 8 CJ2m PLC units with different numbers displayed on their screens. Each unit has its own unique IP address, such as 192.168.1.7. The display initially shows "IP" followed by "07" after a few seconds, which represents the IP address. Then it displays "Er" and after a brief moment, changes to "d5". It then switches back to "IP" and shows "64" after a couple of seconds. This pattern repeats for all units, but with different numbers. How can this code be interpreted? Thank you in advance for your help. - James
Hello James, D5 is an invalid target on a tag datalink. To view the Ethernet/IP configuration, you will need to utilize a network configurator tool. This will help you troubleshoot and resolve any issues with the data link.
If a target is disconnected, powered off, or malfunctioning, it may be due to missing or malfunctioning remote I/O in the CPU's Ethernet IP table. To address this, use a network configurator to investigate the issue. Consider uploading data from the CPU using a USB cable for troubleshooting.
To provide more clarity, the D5 followed by IP 68 is the node that is missing or not connected. The 68 is in Hex format, so the IP address would ultimately end in 104. This information is crucial for understanding the network configuration and troubleshooting any connectivity issues.
Hey James, good to see you on the forum. Based on your description, it seems like the PLC units are going through a self-diagnostic check. They are displaying their IP addresses first, followed by error codes. The "Er" suggests that there's an error, and "d5" could be a specific error code. Each unit has a different error, indicated by the different numbers. To decipher these codes, you'd need to refer to the error code manual of the specific PLC model. If you don't have one handy, it's usually available online. Would be wise to fix these errors soon to avoid further issues in your system setup. Hope this helps!
Hey James, it certainly seems like you're dealing with a diagnostic code loop. The "Er" appearing on your CJ2m PLC units' screens typically indicates an error. The code "d5" might also be a specific error code. The "IP" followed by numbers and the constant cycle might be reflective of each unit attempting to reset, ping its IP, then encountering the same error again. I'd suggest looking up what "d5" means in your PLC manual to get the specifics. If it's a network related issue, you might want to check if all units are configured properly within your network and that their IP addresses aren't conflicting.
Hey James, it seems like your CJ2m PLC units are stuck in some sort of error state. The "Er" displayed suggests an error code is being displayed, with "d5" probably as the specific error. My guess is that the "IP" display is just showing the last 2 numbers of each PLC's IP address as a unit identifier. To troubleshoot this, you'll likely need to consult your device manual or manufacturer for specifics about what error "d5" represents. The numbers that are being displayed on each unit after the error message might be useful as well, as they could be providing additional details about the error. Good luck!
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Answer: - The displayed codes on the Omron CJ2m PLC units represent the IP address of each unit. The sequence typically shows "IP" followed by a number, then changes to "Er" and another number before switching back to "IP" with a different number.
Answer: - The code displayed on the Omron CJ2m PLC unit represents the IP address. The sequence of "IP" followed by a number, then "Er" and another number, and then switching back to "IP" with a different number is part of the IP address interpretation.
Answer: - Each CJ2m PLC unit has its own unique IP address to differentiate it on the network. The displayed numbers are part of the IP address interpretation specific to each unit.
Answer: - To troubleshoot the Omron CJ2m PLC units displaying these codes, it is important to understand the IP address interpretation sequence. Checking the connectivity, network settings, and configurations related to the displayed IP addresses can help identify any issues.
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