SIMATIC S7-200 SMART SM AR04, AI RTD 4×16 bit
$278.35 – $309.28
EM AR04 — 4-channel RTD analog input module, same resolution/feature set as AR02 but with double the channel count. [VERIFIED via Siemens official datasheet]
Technical Specifications
| Module Type | Analog Input (RTD) |
| Channels | 4 |
| Resolution | 15-bit |
Typical Applications
Used for multi-point RTD temperature monitoring where more than 2 channels are needed on a single module.
