SIMATIC S7-1200 SM 1231, AI 4×16 bit
$498.15 – $553.50
✓ Original Siemens
✓ MOQ 1 Piece
✓ Worldwide Shipping
✓ 12 Months Warranty
✓ MOQ 1 Piece
✓ Worldwide Shipping
✓ 12 Months Warranty
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.










