Siemens 6ES7331-7SF00-0AB0 Analog Input Module

Product manual:

Siemens 6ES7331-7SF00-0AB0 is a high-precision analog input module in the Siemens SIMATIC S7-300 series, belonging to the SM 331 module series.
This module is designed specifically for industrial automation systems that require precise analog signal acquisition, supporting multiple input signal types and suitable for signal processing of various sensors.
Main features:
Number of channels: Provide 8 differential analog input channels, each channel independently collects analog signals to ensure signal quality and accuracy.
Signal type:
Voltage: ± 10V, ± 5V, 0-10V, 1-5V
Current: 0-20mA, 4-20mA, ± 20mA
Resistance temperature probe (RTD): such as Pt100, Pt1000, etc., used for temperature measurement.
High resolution: 16 bit resolution ensures high-precision data acquisition in a wide range of applications.
Isolation function: Electrical isolation is provided between channels and between channels and the rest of the system to enhance anti-interference capability, making it particularly suitable for applications in complex industrial environments.
Fault diagnosis: The module has a self diagnostic function that can identify and report signal faults or wiring errors, helping users to troubleshoot problems in a timely manner and ensure stable system operation.
Support redundancy function: In some systems that require high reliability and redundancy, this module can provide redundancy support to ensure system stability and continuous operation.
Technical parameters:
Product Code: 6ES7331-7SF00-0AB0
Input channel: 8 differential inputs
Supported input types:
Voltage: ± 10V, ± 5V, 0-10V, 1-5V
Current: 0-20mA, 4-20mA, ± 20mA
Temperature: Supports RTD signal input (Pt100, Pt1000, etc.)
Resolution: 16 bits
Isolation voltage: up to 500V DC, electrical isolation between channels and systems
Interface: Connect to the system through a standard 40 pin connector
Diagnostic function: equipped with channel fault detection function
Working power supply: 24V DC
Installation method: DIN rail installation, suitable for S7-300 PLC system rack
.

Product details picture:

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