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| Place of Origin: | Germany |
| Brand Name: | Siemens |
| Certification: | COO & COC |
| Model Number: | 6ES7331-7KF02-0AB0 |
Siemens 6ES7331-7KF02-0AB0 SIMATIC S7-300 SM331 8AI 12Bits Analog Input Module
The Siemens 6ES7331-7KF02-0AB0 is a highly versatile and widely deployed analog input (AI) module from the SIMATIC S7-300 programmable logic controller (PLC) system, engineered for precise acquisition of process signals in industrial automation. With 8 differential input channels, support for multiple signal types—including voltage, current, resistance, and thermocouples—and excellent noise immunity, this module is a cornerstone in applications requiring reliable sensor data from temperature probes, pressure transmitters, flow meters, and more.
Although the S7-300 platform is now classified as legacy by Siemens (with new designs encouraged to use the S7-1500 series), the 6ES7331-7KF02-0AB0 remains one of the most common spare parts in global industrial maintenance inventories due to its extensive use in continuous-process industries such as oil & gas, power generation, water treatment, chemical plants, and manufacturing facilities worldwide.
Product Overview: Siemens 6ES7331-7KF02-0AB0
| Manufacturer | Siemens |
| Product Family | SIMATIC S7-300 I/O Modules |
| Module Type | Analog Input Module (AI) |
| Order Number | 6ES7331-7KF02-0AB0 |
| Number of Inputs | 8 channels, configurable in groups of 4 (Group 0 Ch 0–3, Group 1 Ch 4–7) |
Product Pictures
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