SIMATIC S7-1200 G2: SB 1231 Analog Input, 4 AI; Input: 4x AI 14-bit ADC (/ -10V, / -5V, / -2.5V or 0-20mA/4-20mA)
$111.46 – $123.84
SB 1231 Signal Board — 4x AI 14-bit, voltage/current selectable. Compact analog input add-on for S7-1200 G2.
Technical Specifications
| Analog Inputs | 4x AI 14-bit ADC |
| Input Range | ±10V / ±5V / ±2.5V / 0–20mA / 4–20mA |
| Compatible CPUs | S7-1200 G2 CPU (signal board slot) |
Typical Applications
Used for adding basic analog sensing — such as pressure, level, or flow transmitters — without occupying a full expansion module slot.





