Connecting a Stride Analog Output module to a 1769 CompactLogix PLC via Ethernet: Configuration Guide and Compatibility Insights

Question:

Hello, I am looking to establish a connection between a Stride Analog Output module and a 1769 CompactLogix PLC through an Ethernet connection. I have successfully added a new Generic Ethernet Module for the Stride, but I am unsure about what to input for the "Connection Parameters" section. Specifically, I am confused about the "Assembly Instance" and "Size" fields for Input, Output, and Configuration slots. Can someone provide guidance on this matter? Additionally, I would like to know if it is possible to interface a Stride module with the CompactLogix PLC. Any insights on this compatibility issue would be greatly appreciated.

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To ensure accuracy, please provide the full part number for your Stride field I/O module. This will help us assist you better and make sure you're getting the right product for your needs. Thank you!

In order to assist you better, could you please provide the full part number of your Stride field I/O module? I am currently utilizing the STRIDE SIO-MB04DAS analog output module and SIO-MB08THMS thermocouple module. Thank you.

Communication between modules is achieved through the use of the Modbus TCP protocol. To enable your Compactlogix to understand this protocol, you can utilize the Modbus TCP Add-on instruction or a third-party bridging device. By visiting the Rockwell Automation Website and searching for "Modbus TCP AOI", you can access the necessary instruction for download under the Sample Code section. Additionally, it is advisable to refer to the Knowledgebase for further information on the same topic. Although I have not personally utilized this particular example, it has been successfully used by many others and should function effectively for your requirements, provided they are not overly complex.

OkiePC mentioned that the communication between those modules is done using the Modbus TCP protocol. To make your Compactlogix compatible with this protocol, you will need to utilize the Modbus TCP Add-on instruction or a third-party device to bridge the communication gap. By visiting the Rockwell Automation website and searching for "Modbus TCP AOI", you can access the available instruction by clicking on Sample Code in the search results. Additionally, you may want to explore the Knowledgebase for further information on the same topic. Although I have not personally used this example, it has been successfully utilized by many and should work well for your needs as long as they are not overly complex. I appreciate your advice, as I was able to import the Add-on instruction and follow the manuals to configure the server and client. It seems that the STRIDE module is communicating, but I would like a quick method to confirm this. I attempted to include a screenshot of the Status Bits in this post, but encountered difficulties. Instead, I will list them below: Modbus TCP Server: (Sts_EN), (Sts_Waiting), (Sts_Accepted), (Sts_Faulted) Modbus TCP Client: (Sts_EN), (Sts_Connected), (Sts_Faulted), (Sts_Overlap), (Sts_Overload) Based on my understanding of the manuals, (Sts_Accepted) indicates a successful client connection, while (Sts_Connected) signifies an accepted connection request. However, I noticed that "Sts_ActiveConnections" is displaying zero instead of one. Can you confirm if it should be showing one? This is where my confusion lies.

I've worked with Stride and CompactLogix before, so I'll try to help you out. Regarding the "Instance" and "Size" fields - they define the identity of the module data and the data length. For Stride units, these values can be found in the manual under the "EtherNet/IP Data Instances and Sizes" section. However, if you're unsure about which Instance or Size to use, you may want to reach out to the Stride or CompactLogix technical support team. They would be able to provide you with accurate information based on your specific module. Regarding compatibility between Stride and CompactLogix - in theory, any device that supports EtherNet/IP should be compatible. However, the degree of integration and ease of setup can vary, and some functionality may not be available. Check the product specifications and if you're still unsure, it would be best to consult an engineer if possible.

It's great to see you're diving into integrating the Stride Analog Output module with your CompactLogix PLC! For the "Assembly Instance," it usually corresponds to the specific function you're trying to use on the Stride module—consulting the module's documentation will give you the exact values to input. Typically, the "Size" fields for Input and Output correspond to the data type you're working with (like an integer or float), so check if the Stride module specifies sizes for these data types. As for compatibility, since the Stride modules are designed to work over standard Ethernet protocols, you should be good to go with the CompactLogix; just ensure the firmware on both ends is up to date to avoid any surprises. Good luck, and feel free to share your progress!

It sounds like you're on the right track with setting up the Stride Analog Output module! For the "Assembly Instance" and "Size" fields, it's essential to refer to the specific documentation for the Stride module, as these parameters can vary. Typically, the "Assembly Instance" for output might be something like 0x04, and for input, it could be 0x05, but you’ll want to confirm this against your module’s user manual. The "Size" field generally indicates the number of bytes needed for each assembly, which is also outlined in the module documentation. And yes, the Stride modules are generally compatible with the CompactLogix PLCs as long as you've configured everything correctly—it's great that you've added it as a Generic Ethernet Module! If you run into further issues, you might try reaching out to Stride’s support; they can offer detailed insight tailored to your specific setup. Good luck!

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Frequently Asked Questions (FAQ)

FAQ: 1. How do I configure the connection parameters when connecting a Stride Analog Output module to a 1769 CompactLogix PLC via Ethernet?

Answer: Answer: To configure the connection parameters, you need to specify the "Assembly Instance" and "Size" fields for Input, Output, and Configuration slots. Detailed guidance on these parameters can be provided based on the specific setup and requirements.

FAQ: 2. Is it possible to interface a Stride module with a CompactLogix PLC?

Answer: Answer: Yes, it is possible to interface a Stride module with a CompactLogix PLC. By adding a Generic Ethernet Module for the Stride and configuring the connection parameters correctly, you can establish communication between the devices.

FAQ: 3. What are the compatibility considerations when connecting a Stride Analog Output module to a 1769 CompactLogix PLC?

Answer: Answer: Ensuring compatibility between the Stride module and CompactLogix PLC involves proper configuration of communication protocols, addressing, and data exchange formats. It is crucial to follow the manufacturer's guidelines and recommendations for seamless integration.

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