Programming MODBUS for Automation Direct Sureservo Systems with AD 205 PLCs and 260 CPU

Question:

Hello everyone, I am in need of assistance with programming MODBUS for Automation Direct Sureservo systems using AD 205 PLCs with a 260 CPU. I have two systems that require programming, but I have no prior experience with MODBUS. My knowledge of PLC programming is limited to basic functions like inputs, outputs, timers, and counters with simple addressing. Math is not my strong suit either! I have reached out to AD tech support for help, but their technical explanations assume a higher level of programming expertise. I do have a basic understanding of Directsoft "V" addressing, which I believe is crucial for this task. If anyone can offer guidance, I would greatly appreciate it. Thank you, Will.

Top Replies

If you're looking for assistance with the Sureservo manual, be sure to check out Chapter 6 for a helpful starting point. If you've followed the instructions but still have questions, feel free to ask for help. While I have experience working with Modbus on the 260, I have not yet worked with Sureservo.

Hello Bernie! I knew I could count on finding you here. Thanks to your help on the AD tech forums, I successfully calculated RPM's. It worked perfectly, so thank you! I followed the manual's instructions for multiple drives on the MWX and MRX, and it seems like the drives are now communicating effectively with no more comm errors. I think it would be beneficial to see a detailed program example and explanation of each segment to understand the functions of each register and box. On a side note, I have a great fondness for Washington - my mother lives just south of Tacoma. Thanks again, Bernie!

I may not be able to assist with the Sureservo, but hopefully someone with relevant experience will chime in. Although I reside on the drier and colder side of the Cascade Mountains from Tacoma, Washington holds a special place in my heart. (SEO-friendly words: Sureservo, Washington state, Cascade Mountains, Tacoma)

I am optimistic about it. I have made significant advancements and can complete all tasks on this machine except for the servos. Thank you once again.

I am seeking assistance from someone who has some knowledge and experience with AD sureservo modbus.

Hey Will, I totally understand your predicament. MODBUS can seem a bit complex at first, but once you get the hang of it, you should be able to integrate it into your PLC projects seamlessly. Since you're familiar with Directsoft "V" addressing, you're already halfway there! A couple of things to keep in mind: the MODBUS addressing starts at 1, unlike the common "V" addressing which starts at 0. Also, Automation Direct PLCs are 16-bit, so this could be a tad tricky if you're coding for 32-bit MODBUS registers. I'd suggest starting by configuring your PLC as a MODBUS slave device, this'll make your learning curve a bit gentler. Be sure to follow the guidelines for the communication protocol - parity, stop bits, data bits, and baud rate. There are numerous online resources and practical guides available as well, such as the tutorials on the Automation Direct website. Don't hesitate to experiment and learn!

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Frequently Asked Questions (FAQ)

FAQ: 1. What is MODBUS and why is it important for Automation Direct Sureservo systems?

Answer: - MODBUS is a communication protocol commonly used in industrial automation to establish communication between different devices. It is crucial for Automation Direct Sureservo systems as it allows for seamless data exchange between the PLCs and other devices.

FAQ: 2. How can I start programming MODBUS for Automation Direct Sureservo systems if I have limited PLC programming experience?

Answer: - To start programming MODBUS for Automation Direct Sureservo systems, it would be beneficial to first understand the basics of MODBUS communication protocol. Additionally, familiarize yourself with the Directsoft "V" addressing system and consider seeking resources or tutorials tailored for beginners in MODBUS programming.

FAQ: 3. What resources or guidance are available for learning MODBUS programming with AD 205 PLCs and 260 CPU for Automation Direct Sureservo systems?

Answer: - Apart from reaching out to AD tech support, you can explore online forums, user manuals, and tutorials specific to programming MODBUS for Automation Direct Sureservo systems with AD 205 PLCs and 260 CPU. Additionally, consider enrolling in training courses or workshops focused on industrial communication protocols.

FAQ: 4. Is math proficiency necessary for programming MODBUS for Automation Direct Sureservo systems?

Answer: - While basic math skills can be helpful in understanding certain aspects of programming, you can still learn and work with MODBUS communication without advanced math knowledge. Focus on

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