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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

S7 Siemens PLC Trace Signals Screenshot 1 Main Screen SymboleImport List Of Variables S7 Siemens PLC Trace Signals Screenshot 5

Project Activity

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Categories

Data Visualization, SCADA, Test and Measurement

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S7 Siemens PLC Trace Signals Web Site

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User Ratings

4.2 out of 5 stars
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ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5

User Reviews

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  • bulunmaz Posted 2023-11-02
    edcec
  • abdo26 Posted 2019-06-29
    good
  • mrfixit87 Posted 2019-06-13
    Small, fast fairly easy to configure and free. What else could you want?
    1 user found this review helpful.
  • reisenauer67110 Posted 2018-11-15
    Super Programm
  • gearhead Posted 2017-09-18
    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.
    1 user found this review helpful.
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Additional Project Details

Operating Systems

Windows

User Interface

.NET/Mono

Registered

2017-02-23
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