6/28/2021 9:00 PM | |
Joined: 7/7/2010 Last visit: 8/21/2024 Posts: 15101 Rating:
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Take a look at the TIA Selection Tool ( https://www.siemens.com/tstcloud ). You can choose the speed, capabilities, and configuration options for the modules and PLC to suit your specific project needs. If you know the requirements for what you have, you can quickly find similar modules with the required update rates, galvanic isolation, voltage tolerances, and so on that match your existing hardware and process requirements. Then you will have an idea the cost of replacing with like modules. Then you can ask yourself the main question we all ask ourselves at times like this: what productive benefits would be gained by faster IO and PLCs? How much is too fast until it is throwing money away? How powerful a PLC is too powerful before it sits around doing nothing most of the time, waiting on new data or inputs to process.
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