Essential Components and Implementation Tips for Profibus Network Configuration

Question:

I am new to the automation and communication industry and I am currently working on setting up a Profibus network. I am looking for guidance on the essential components needed for the network configuration. Specifically, I am unsure about choosing a master device and connecting a normal microcontroller to the network - should I use a port, a dedicated module, or something else? Additionally, I am curious about the ASIC needed to connect the slaves to the network, including which type to use and any additional hardware or software required for implementation. I have come across references to ASIC as remote I/O on various websites - are ASICs commonly used for this purpose? Do I need a license to utilize or develop a Profibus network? Which software or firmware is typically used for network setup - is it integrated into the PLC or do I need to connect a PC for configuration? If anyone can recommend a website with detailed information on these topics, I would greatly appreciate it. Please avoid suggesting profibus.com as I have already explored it for basic information.

Top Replies

Are you establishing a Profibus network for a specific project or application? It seems like the approach might be backwards, as typically the process begins by selecting the controller and devices needed for a factory or process, then determining how to make them communicate effectively. While Profibus used to be a common choice, Profinet has become more popular in recent years due to easier troubleshooting and compatibility with modern components. In order to connect to Profibus, an interface is required, which can be integrated through ASICs available from various companies. However, when setting up a factory, it is advisable to purchase devices that already support the chosen network and have the necessary components built in. Programming software will be needed for the controller and possibly some devices, depending on their functions. While basic IO functions may not require specific software, other tools like drive or vision configuration software may be necessary. Keep in mind that PLC and HMI programming software typically come at a cost, but some device software may be available for free.

Welcome to the world of automation! Setting up a Profibus network can be a bit daunting at first, but once you get the hang of it, it opens up a lot of possibilities. For your master device, you typically want to choose a PLC that specifically supports Profibus, as this will simplify the process. If you’re connecting a microcontroller, using a dedicated Profibus module or gateway is often the best route; it’s designed for such tasks and you’ll avoid a lot of hassle compared to using a port that might not support necessary features. As for the ASIC, there are several good options out there, like the Siemens DP controller, often used for interfacing with remote I/O devices, and these usually don’t require a license. For software, many PLCs come with integrated configuration tools, but you may occasionally need a PC-based tool for advanced setups. I recommend checking out the forums on Automation.com or Embedded.com; they often have detailed discussions that can really clarify your specific questions and technical needs. Good luck with your project!

It sounds like you're diving into an exciting project! For your Profibus setup, starting with a reliable master device is crucial; many people find Siemens S7 series PLCs great for this, but there are also dedicated Profibus controllers. Regarding connecting microcontrollers, using a dedicated Profibus module is generally easier and more reliable than trying to interface directly through a standard port. As for ASICs, yes, they're frequently used for connecting remote I/O devices but focus on choosing ones that are specifically designed for Profibus, like those from the PROFIBUS International catalog. You might need a license if you plan to deploy commercial products, but for development, it's more about compliance with the standard. For software, many PLCs come with built-in configuration tools, but additional configuration software like STEP 7 or even some open-source options can be handy for more complex setups. Try checking out forums like Control.com or even GitHub for community-driven projects and discussions on Profibus for more nuanced advice. Good luck with your network!

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Frequently Asked Questions (FAQ)

FAQ: 1. What are the essential components required for setting up a Profibus network configuration?

Answer: - Essential components for a Profibus network configuration typically include a master device, appropriate cabling, and ASICs for connecting slaves to the network.

FAQ: 2. How should a normal microcontroller be connected to a Profibus network - through a port, a dedicated module, or another method?

Answer: - When connecting a normal microcontroller to a Profibus network, you can use a port, a dedicated module, or other suitable hardware depending on your specific requirements.

FAQ: 3. Are ASICs commonly used for connecting slaves to a Profibus network?

Answer: - Yes, ASICs are commonly used to connect slaves to a Profibus network, and they serve as remote I/O devices in this context.

FAQ: 4. Is a license required to utilize or develop a Profibus network?

Answer: - Generally, a license is not required to utilize or develop a Profibus network, but it's advisable to check for any specific requirements based on your location or industry regulations.

FAQ: 5. What software or firmware is typically used for setting up a Profibus network?

Answer: - The software or firmware used for Profibus network setup can vary, but it is often integrated into the PLC system or may require connecting a PC for configuration purposes.

FAQ: 6. Can you recommend a website with detailed information on Profibus network configuration?

Answer: - While profibus.com is a valuable resource for basic information, you may explore other websites or forums related to automation and communication industry for detailed guidance

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