- SIMATIC S7-1200 Analog input SB 1231
- 1 AI
- +/-10 V DC (12 bit resol.) or 0-20 mA
- SIMATIC S7-1200 Basic Controller
- Flexible thanks to wide variety of communication options
- Signal boards as alternative to signal modules for extending the S7-1200 CPU
- Plugged directly onto the front of the controller
- Available as digital and analog input, output, and hybrid modules
- Communications board with an RS 485 interface available
- Signal boards allow subsequent expansion of configuration without requiring additional space in the control cabinet