Siemens 6ES7331-7NF00-0AB0 Analog Input Module

Product manual:

Siemens 6ES7331-7NF00-0AB0 is an analog input module of Siemens SIMATIC S7-300 series, commonly used for analog signal acquisition in industrial automation systems. The following are the main features and technical parameters of this module:
Main characteristics
Analog input channels: Provides 8 analog input channels, supporting measurement of voltage and current signals.
Input signal range:
Voltage: ± 5V, ± 10V, 1-5V, 0-10V
Current: ± 20mA, 0-20mA, 4-20mA
Resolution: 16 bit resolution, ensuring high-precision data acquisition.
Potential isolation: It has the function of potential isolation to improve the anti-interference ability and safety of the system.
Common mode voltage: Single shared root system, maximum common mode voltage is 50V.
Interface: Equipped with one 40 pin connector for easy connection with other devices.
technical parameter
Product Code: 6ES7331-7NF00-0AB0
Product Series: SIMATIC S7-300
Module type: Analog input module SM 331
Number of channels: 8 analog input channels
Resolution: 16 bits
Common mode voltage: 50V
Connector type: 40 pin
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Product details picture:

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