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| Place of Origin: | Germany |
| Brand Name: | Siemens |
| Certification: | COO & COC |
| Model Number: | 6ES7331-7NF00-0AB0 |
Siemens 6ES7331-7NF00-0AB0 SIMATIC S7-300 Analog Input SM 331 8 AI 40 Poles
The Siemens 6ES7331-7NF00-0AB0 is a widely used analog input module from the SIMATIC S7-300 programmable logic controller (PLC) system, designed for accurate acquisition of voltage and current signals from sensors, transmitters, and field devices in industrial automation and process control applications. As a reliable and versatile I/O component, this module enables seamless integration of analog process data—such as temperature, pressure, flow, and level—into Siemens S7-300 control systems.
Although the S7-300 platform is now considered legacy (with Siemens recommending migration to the S7-1500 series for new projects), the 6ES7331-7NF00-0AB0 remains in high demand globally as a critical spare part for maintaining existing machinery, production lines, and infrastructure in industries including food & beverage, water treatment, pharmaceuticals, energy, and manufacturing.
Product Overview: Siemens 6ES7331-7NF00-0AB0
| Manufacturer | Siemens |
| Product Family | SIMATIC S7-300 I/O Modules |
| Module Type | Analog Input (AI) Module |
| Order Number | 6ES7331-7NF00-0AB0 |
| Channel Count | 8 differential analog inputs |
Product details pictures
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