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Siemens SIPLUS S7-300 SM 331 Analog Input Module 8AI

Siemens SIPLUS S7-300 SM 331 8-channel analog input module.

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ManufacturerSiemens

Part number6AG1331-1KF02-4AB0

Type Analog Input Module

Channels 8 Isolated AI

Resolution 13 bits

Input Types U, I, Resistor, Pt100, NI100, NI1000, PTC/KTY

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12-month warranty

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8 isolated analog inputs 13-bit resolution Wide range of input types Conformal coating for harsh environments Fast conversion time (66ms) SIPLUS enhanced robustness

Product description

The Siemens 6AG1331-1KF02-4AB0 is a SIPLUS module for the S7-300 automation system, specifically an SM 331 analog input module. This module features 8 isolated analog inputs (8AI) with a resolution of 13 bits. It supports a wide range of input types including voltage (U), current (I), resistance, and thermocouples (Pt100, NI100, NI1000, LG-NI1000, PTC/KTY). The conversion time is approximately 66 ms. This version is based on the 6ES7331-1KF02-0AB0 but includes conformal coating for enhanced protection against environmental influences.

This analog input module is designed for demanding industrial environments where precise measurement of analog signals is required. The SIPLUS designation indicates enhanced robustness, making it suitable for applications in corrosive atmospheres, high humidity, or extreme temperatures. It is commonly used in process automation, chemical plants, and areas with harsh environmental conditions, providing reliable data acquisition for control systems.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 6AG1331-1KF02-4AB0. We provide reliable access to ruggedized automation components like this SIPLUS module, ensuring your critical applications are supported. Trust Stanlo Automation for your Siemens S7-300 module needs.

Technical specifications

Type	Analog Input Module
Channels	8 Isolated AI
Resolution	13 bits
Input Types	U, I, Resistor, Pt100, NI100, NI1000, PTC/KTY
Conversion Time	66 ms
Coating	Conformal Coating
Base Module	6ES7331-1KF02-0AB0
Connection	1x 40-pole

Common applications

Chemical Processing

Pharmaceutical Manufacturing

Food & Beverage

Harsh Industrial Environments

Process Automation

Data Acquisition

Compatible systems

Compatible with Siemens SIMATIC S7-300 PLC systems and programmed using STEP 7 software.

Also known as

Siemens SIPLUS SM 331 S7-300 Analog Input 8AI Module Siemens 6AG1331-1KF02-4AB0 module

Replaces / compatible with

This SIPLUS module is an enhanced version of the standard SM 331 (6ES7331-1KF02-0AB0) with conformal coating. It is a direct replacement for identical SIPLUS modules and an upgrade for standard modules in harsh environments.

Technical note

Expert tip

The conformal coating on this SIPLUS module offers superior protection against environmental factors compared to standard modules, ensuring long-term reliability in aggressive atmospheres.

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Frequently asked questions

What makes the Siemens 6AG1331-1KF02-4AB0 SIPLUS module suitable for harsh environments?

The Siemens 6AG1331-1KF02-4AB0 features conformal coating, which provides protection against moisture, dust, and corrosive substances. This enhanced protection, combined with the robust design of SIPLUS components, makes it ideal for use in demanding industrial settings.