STEP 7 Professional 2017 comprises the following software packages: STEP 7 V5.6 Basis. Besides a considerable price saving in relation to the purchase of the individual components you can take advantage of reduced installation efforts and the possibility to subscribe to a consolidated Software Update Service.
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 s7-trends/reviews/new Testing and criticism is very.