SIMATIC S7-1200 SM 1231, AI 4×16 bit
$498.15 – $553.50
SM 1231 — analog input module, 4 channels, 16-bit resolution.
Technical Specifications
| Module Type | Analog Input |
| Channels | 4 |
| Resolution | 16-bit |
Typical Applications
Used for precision analog signal acquisition where higher resolution than standard 13-bit modules is needed.










