Author: Ketut Kumajaya
This driver communicates with Siemens S7‑300, S7‑400, S7‑1200, and S7‑1500 PLCs via ISO‑on‑TCP using the Sharp7 library. It supports two polling strategies: ReadArea (fetches contiguous blocks per DB/area for high‑speed bulk reading) and ReadMultiVars (reads scattered tags in chunked multi‑item requests for flexible configurations).
Licensing Tiers (based on the number of configured tags):
Trial – Up to 10 tags: Fully functional evaluation with no time limit.
Personal – Up to 100 tags: Designed for individuals, students, and hobbyists.
Professional – Up to 500 tags: Built for industrial applications and commercial projects.
Personal USD 50 Business USD 150
DrvSig7 6.x En, Requires Communicator 6.x