Description
The Siemens 6ES7331-7KF02-0AB0 (SM 331) is a versatile analog input module designed for the SIMATIC S7-300 automation platform. It provides eight isolated analog input channels, enabling precise acquisition of process signals from a wide range of industrial sensors and transmitters.
Supporting multiple signal types—including voltage, current, thermocouples, and resistive sensors—this module offers flexible deployment across process control, manufacturing, and instrumentation applications. The selectable 9-, 12-, or 14-bit resolution allows users to balance accuracy with performance requirements.
Built-in diagnostics and alarm functions enhance system reliability by enabling early detection of faults or abnormal process conditions. The module features a 20-pole removable front connector with active backplane bus integration, simplifying installation, maintenance, and replacement in operating systems.
Ideal for demanding industrial environments, the SM 331 module ensures stable signal acquisition, electrical isolation, and seamless integration within S7-300 control architectures.
Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Part Number | 6ES7331-7KF02-0AB0 |
| Product Type | Analog Input Module |
| Series | SIMATIC S7-300 |
| Model | SM 331 |
| Number of Inputs | 8 Analog Inputs |
| Input Types | Voltage, Current, Thermocouple, Resistance |
| Resolution | 9 / 12 / 14 Bit (Selectable) |
| Isolation | Yes (Optically/Electrically Isolated) |
| Diagnostics | Integrated |
| Alarm Functions | Yes |
| Connector Type | 20-Pole Removable Front Connector |
| Backplane | Active Backplane Bus |
| Packaging Dimensions (L × W × H) | 15.3 × 12.8 × 5.2 cm |
| Net Weight | 0.288 kg |
There are no reviews yet.