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S7 Trends is a free and easy-to-use software to trace what is going on in Siemens PLC. You can watch & record in real time the state of all types of variables:
- Markers
- Inputs/Outputs
- Timers
- Counters
- Databases
It is written in C# and it is using Snap7 library. It should work also with S1200.
Current state is stable.
If you encounter any problems or you have any idea for a new feature - write a review https://sourceforge.net/projects/s7-trends/reviews/new
Testing and criticism is very welcome, as well as donations.
Version 1.02 Released:
- Much performance improvement & Bugfixes
- Chart zooming with rectangle
- Import symbols in DIF format
- Change Display format for variables
- Save & Load variables configuration
- Handling of Timers & Counters
Features
- Record to Chart
- Record to Table
- Export to XML
- Copy to excel
- Current state of variables (VAT)
- Siemens S7 trace
- Logging data to csv file
- Load symboles and select from Siemens export
Project Samples
Follow S7 Siemens PLC Trace Signals
User Reviews
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edcec
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good
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Small, fast fairly easy to configure and free. What else could you want?
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Super Programm
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Thanks, this is a nice simple program and it does what it is designed to do. A feature that I could really use would be the ability to trigger logging based on a variable from the PLC. For example if DB100.DBX1.1 is = 1 then record the value in DB111.DBD111.
