SIMATIC S7-1200 G2: SM 1233 Analog I/O, 2 AI/2 AO; Input: 2x AI 14-bit ADC (/ -10V, / -5V, / -2.5V or 0-20 mA/4-20 mA); Output: 2x AO 14-bit DAC (/ -10V, 0-20mA or 4-20mA)
$159.60 – $177.34
SM 1233 Analog I/O — 2 AI / 2 AO, 14-bit. Combined analog input/output module for compact mixed-signal needs.
Technical Specifications
| Analog Inputs | 2x AI 14-bit ADC |
| Analog Outputs | 2x AO 14-bit DAC |
| Range | ±10V / ±5V / ±2.5V / 0–20mA / 4–20mA (input); ±10V / 0–20mA / 4–20mA (output) |
Typical Applications
Suited for closed-loop control tasks needing both analog measurement and analog control output on a single module, such as basic PID temperature or pressure loops.





