Themen:
- Simatic S7 SCL reference
- Simatic datatypes
- S7 error- and statuscodes
- TIA Portal know-how

Communication:
- S7-1500 - IntesisBox Modbus
- S7-1500 - Arduino Modbus

Diagnose:
- Scalance Modul diagnose

Partial solutions:
- INIT only one times w. delay
- DT to words and bytes

Conversions:
- Data types
- 16 BOOL → WORD/BYTE
- WORD → 16 BOOL
- BYTE → 8 BOOL
- STRING → DB REGS
- DB REGS → STRING
- REAL → WORD
- WORD → REAL
- DT → WORD/BYTE
- DT → STRING
- STRING → REAL/LINT