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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
1. Overview of the Siemens 6ES7331-7NF00-0AB0
The Siemens 6ES7331-7NF00-0AB0 is a high-precision analog input module in the SIMATIC S7-300 series, designed for multi-point, high-resolution measurements. The module provides eight potential-isolated channels, independently configurable as ±5 V, ±10 V, 1-5 V, or 0/4-20 mA, ±20 mA inputs. Its 16-bit resolution ensures accurate capture of subtle process variables such as temperature, pressure, and flow. Its 55 ms/channel conversion time and 500 V DC isolation ensure stability and reliability in high-speed closed-loop control systems.
2. Core Features:
Leveraging single-channel isolation technology and redundant protection, this module effectively suppresses common-mode interference and overvoltage surges in industrial environments. A 5 V DC backplane bus power supply (typical power consumption 0.6 W) further simplifies wiring. The compact 40 mm wide housing supports hot swapping and allows for quick configuration and calibration using STEP 7, significantly reducing commissioning time. Its IP20 protection rating and optional -25°C to 70°C wide operating temperature range ensure long-term, trouble-free operation in both cold and hot environments.
3. Related products
| 6ES7331-7KB02-0AB0 | 6ES7331-7KF02-0AB0 |
| 6ES7331-7HF01-0AB0 | 6ES7331-7NF10-0AB0 |
| 6ES7331-7PF01-0AB0 | 6ES7331-7PF11-0AB0 |
| 6ES7331-1KF01-0AB0 | 6ES7331-1KF02-0AB0 |
| 6ES7331-7PF00-0AB0 | 6ES7331-7PF10-0AB0 |
| 6ES7331-7TF00-0AB0 | 6ES7331-7TF01-0AB0 |
| 6AG1331-7KB02-2AB0 | 6AG1331-7KF02-2AB0 |
| 6AG1331-7NF00-2AB0 | 6AG1331-7NF10-2AB0 |
| 6ES7331-7PE10-0AB0 | 6ES7331-7PE01-0AB0 |
| 6ES7331-7NF00-0AB0 | 6ES7331-7NF10-0AB0 |
4.Product details pictures
