- SIMATIC S7-1200 Basic Controller - Flexible with wide variety of communication options
- Digital input SM 1221, 8 DI, 24 V DC, Sink/Source
- Signal modules allow for inpidual configuration of SIMATIC S7-1200 (except for CPU 1211C)
- Available modules include digital and analog input, output, and hybrid modules, including fail-safe versions
- Expansion options help save space in control cabinet and maximize hardware expenditure