I encountered an issue while using the Omron Network Configurator to connect 2 PLCs via Ethernet cable and send signals using Network Variables. One of the PLCs is showing error code 01:007, which according to the manual, requires checking the tagname and data size. I have confirmed that all tags in CX-Programmer match. Are there any other troubleshooting steps I should take? The PLC model in question is the Omron CJ2M. Thank you for any assistance provided in advance.
For EtherNet/IP users, there is a handy free tool known as the ODVA/Molex EtherNet/IP tool that offers geeky features. You can easily download it by clicking on the link provided. Within the tool, there is an Explicit Message tab that allows you to retrieve specific data attributes for different instances. By ensuring that the PLC's IP settings match those of the EtherNet/IP adapter and using the correct instance number, you can view the size of a particular assembly in the response box. Additionally, you can access data attributes for both input and output assemblies which can help troubleshoot configuration issues. Another useful tip is to capture a Wireshark trace of the Configurator when connecting to the device, as it may reveal any error responses from the adapter. By analyzing the Wireshark trace, you can pinpoint any invalid IO size errors and determine the correct size needed. Don't hesitate to explore the functionalities of the ODVA/Molex EtherNet/IP tool to streamline your EtherNet/IP user experience. Download the tool here: https://tools.molex.com/webdocs/mysst/EIP Tool v2.6.1.zip
The published tag (network variable) is currently defined as a "bool" with the address 901.00. To ensure it is the correct size for a 2-byte exchange, it should be updated to a datatype channel with the address 901. This adjustment will optimize compatibility and functionality.
Based on your description, it sounds like you've already cross-verified the tag names, which is a good step. In addition to this, you should also check the IO Table and configuration settings. There may be discrepancies between the network configuration in the PLC and Omron Network Configurator. Make sure that the Units setup and Node addresses are matching correctly. Also, check the compatibility of the data type in the network variable; some conversions might cause an issue. Finally, keep in mind that Ethernet cables have a max length of 100 meters for reliable communication. Too much distance or noise can cause communication failure, so make sure your setup complies with this requirement if it's relevant.
From your issue description, it looks like you've already done great troubleshooting by referencing the manual and confirming the tag names in CX-Programmer. Given the error code you're seeing, one potential issue might be with the data size you're using. Are you trying to pass more data than the Network Variable can handle? If so, you may need to adjust your data segmentation. Also, ensure that both PLCs are set to the same network setting in the Network Configurator. Mismatched network settings could lead to connection issues. Lastly, confirm that your Ethernet cabling is CAT6 or better and in good condition. Hope you can resolve the issue!
It sounds like you’ve already done some solid troubleshooting by verifying the tags, which is a good start! Sometimes, the communication settings between the PLCs can be a source of issues, so double-check the network parameters like IP addresses and subnet masks to ensure they align correctly. Also, look at the data type and size for the network variables; even small discrepancies can trigger errors. If you haven’t already, try resetting the network configuration or restarting both PLCs, as this can often resolve temporary glitches. Good luck, and I hope you get it sorted out!
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Answer: Answer: Error code 01:007 in Omron Network Configurator typically indicates a discrepancy related to tagname and data size, as mentioned in the manual. It is essential to ensure that all tags in CX-Programmer match to resolve this issue.
Answer: Answer: In addition to confirming tagname and data size consistency, ensure that the network settings, such as IP addresses and subnet masks, are correctly configured for both PLCs. Also, check the physical connections and network cables for any faults or loose connections that may be causing the error.
Answer: Answer: To troubleshoot error code 01:007 in the context of PLC connection via Ethernet cable and Network Variables, make sure that the Network Variables setup is correctly configured on both PLCs. Verify that the data exchange settings, such as the assigned network addresses and variable mappings, are accurately defined to establish a successful connection.
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