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Siemens SIMATIC S7-400 6ES7431-7KF10-0AB0 Analog Input Module

Siemens SIMATIC S7-400 analog input module, 8 AI, 16-bit, resistor/PT100/NI100.

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ManufacturerSiemens

Part number6ES7431-7KF10-0AB0

Type Analog Input Module

Series SIMATIC S7-400

Channels 8 AI

Resolution 16 bit

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8 Analog Inputs 16-bit Resolution PT100/NI100/Resistor Support Isolated Inputs Diagnostics and Alarm Functions 20 ms Conversion Time

Product description

The Siemens 6ES7431-7KF10-0AB0 is a specialized analog input module for the SIMATIC S7-400 system, offering 8 isolated analog inputs with a high 16-bit resolution. This module is designed to accommodate various sensor types, including resistors, PT100, and NI100 resistance thermometers, providing flexibility for temperature monitoring applications.

This module features diagnostics and alarm functions for enhanced operational oversight and fault detection. With a 20 ms conversion time, it ensures timely data acquisition for critical processes. Its isolation capabilities protect against ground loops and electrical interference, ensuring reliable measurements in industrial environments.

Stanlo Automation, a veteran-owned surplus distributor, provides access to essential industrial control components like the Siemens 6ES7431-7KF10-0AB0. We are dedicated to helping businesses maintain operational efficiency by supplying reliable, quality surplus parts quickly.

Technical specifications

Type	Analog Input Module
Series	SIMATIC S7-400
Channels	8 AI
Resolution	16 bit
Signal Type	Resistor/PT100/NI100
Isolation	Isolated
Diagnostics	Yes
Alarm	Yes
Conversion Time	20 ms

Common applications

Temperature Monitoring

Process Control

Industrial Automation

HVAC Systems

Chemical Processing

Manufacturing

Compatible systems

SIMATIC S7-400

Also known as

SM 431 RTD Module Siemens S7-400 Temperature Input 6ES74317KF100AB0

Replaces / compatible with

This module is part of the Siemens SIMATIC S7-400 series and serves as an analog input solution for RTD sensors and resistive inputs within the S7-400 platform.

Technical note

Expert tip

For accurate temperature readings with the 6ES7431-7KF10-0AB0 using PT100 or NI100 sensors, ensure the correct sensor type and wiring configuration (e.g., 2-wire, 3-wire) are selected in the PLC's hardware configuration.

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Frequently asked questions

Can the Siemens 6ES7431-7KF10-0AB0 module measure resistance directly?

Yes, the Siemens 6ES7431-7KF10-0AB0 module is designed to measure resistance directly, as well as signals from PT100 and NI100 resistance temperature detectors (RTDs). It offers 8 isolated analog inputs with 16-bit resolution.