SIMATIC S7-200 SMART SM AT04, AI TC 4×16 bit
$179.46 – $199.40
EM AT04 — 4-channel thermocouple analog input module. [VERIFIED via Siemens official datasheet]
Technical Specifications
| Module Type | Analog Input (Thermocouple) |
| Channels | 4 |
Typical Applications
Used for direct thermocouple temperature measurement in ovens, furnaces, or heat-treatment processes connected to a Standard-line S7-200 SMART system.









