Hello, we are seeking a solution to monitor 15 analog inputs in real-time using a web browser. We have successfully implemented data logging in Excel using a Delta PLC and HMI system. However, we are facing challenges in displaying and monitoring these values through a web browser. We kindly request assistance and insights from the community on how to achieve this functionality. Your guidance and expertise will be greatly appreciated. Thank you in advance for your support.
Looking for an easy-to-use option for monitoring your systems? Look no further than ******* - now owned by Delta. There are numerous tutorials on YouTube to help you get started. Check out the free version, VTScadaLight, which allows up to 50 tags and includes a single thin client license for web browser access. This is a great starting point, although there are many other solutions available as well.
It sounds like you've already made some great progress! To monitor your inputs via a web browser, you might want to consider looking into a Raspberry Pi and Node-RED. Node-RED is a programming tool that allows you to wire together hardware devices, databases, and APIs with a browser-based flow editor. It can read values from your PLC directly and give you a real-time graphical view of input data on your web browser. It's essentially an IoT platform, user-friendly and very adaptable. You just need to set up a server, design your dashboard and configure the communication details. You'll be streaming your PLC data online in no time!
You might want to consider using OPC (OLE for Process Control) server in conjunction with your PLC. This is a software application that acts as an API or translator between the controlling program and the controlled device. For real-time monitoring on a web browser, you can use an OPC server that has a built-in web server. This lets you view data in near real-time through any standard web browser. Solutions like Ignition by Inductive Automation or Kepware's KEPServerEX can be useful tools to achieve this. They are designed for interoperability with various types of hardware and support numerous protocols including OPC. This, combined with a suitable front-end application that fetches and displays your data, might be the solution you need.
You might want to consider using Node-RED for this task. This is a programming tool that allows you to wire together hardware devices, APIs, and online services. Node-RED provides a browser-based flow editor for creating IoT and other types of projects with basic JavaScript knowledge. It also has a dashboard node that can read your 15 analog inputs and display them in real-time on any modern web browser. Additionally, it is open-source and has a friendly community always willing to help. It would be a fairly easy and cost-effective solution to your challenge!
Have you considered trying out IoT platforms like ThingSpeak, Node-RED, or Ubidots? They provide functionalities for real-time data visualization and can easily integrate with a variety of hardware including PLCs. These platforms allow you to send your sensor data and display in an easily customizable dashboard which can be accessed from a web browser. You might need an intermediate device or service (like MQTT) to bridge your PLC with the platform, but it could potentially solve your issue elegantly.
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Answer: - To achieve real-time monitoring of 15 analog inputs through a web browser with a Delta PLC and HMI system, you may need to implement a web server functionality in your system. This will allow you to display and access the data from the PLC and HMI in a web browser interface.
Answer: - Some common challenges include setting up the communication between the PLC/HMI system and the web server, designing a user-friendly web interface to display the analog values, ensuring real-time data updates, and addressing security considerations to protect the system from unauthorized access.
Answer: - Integrating real-time data monitoring to a web browser involves setting up communication protocols such as OPC (OLE for Process Control) or Modbus TCP/IP between the PLC, HMI, and web server. You will also need to develop web pages or applications to visualize and update the analog input values in real-time on the browser interface.
Answer: - You can log data in Excel by configuring data logging functions in the Delta PLC and HMI
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