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Siemens SIPLUS S7-300 SM 331 Analog Input Module

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ManufacturerSiemens

Part number6AG1331-7RD00-2AB0

Type Analog Input Module (4AI)

Series S7-300

SIPLUS Feature Conformal Coating

Temperature Range -25 to +70 °C

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4 Analog Inputs Conformal Coating for Harsh Environments Wide Operating Temperature Range S7-300 Compatibility Based on 6ES7331-7RD00-0AB0

Product description

The Siemens SIPLUS S7-300 SM 331 (6AG1331-7RD00-2AB0) is an analog input module designed for harsh environmental conditions. Based on the standard 6ES7331-7RD00-0AB0, this module features conformal coating for protection against moisture and corrosive atmospheres. It offers 4 analog inputs (4AI) and operates within a temperature range of -25°C to +70°C (with restrictions at 70°C for 4-wire sensors).

This module is ideal for use in industries such as chemical processing, power generation, and outdoor automation where environmental resilience is critical. It seamlessly integrates into the S7-300 automation system for reliable signal acquisition.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens 6AG1331-7RD00-2AB0. We ensure your demanding applications are supported by durable and reliable automation components.

Technical specifications

Type	Analog Input Module (4AI)
Series	S7-300
SIPLUS Feature	Conformal Coating
Temperature Range	-25 to +70 °C
Base Module	6ES7331-7RD00-0AB0

Common applications

Chemical Processing

Power Generation

Outdoor Automation

Food & Beverage Industry

Water & Wastewater Treatment

Compatible systems

Siemens S7-300 PLC System

Also known as

SIPLUS SM 331 Siemens 6AG1331 S7-300 Analog Input SIPLUS S7-300 SM

Replaces / compatible with

This SIPLUS module is an environmentally hardened version of the standard Siemens SM 331 (6ES7331-7RD00-0AB0). It offers enhanced protection for demanding applications.

Technical note

Expert tip

The conformal coating on this SIPLUS module provides crucial protection against condensation, dust, and corrosive agents typically found in harsh industrial environments.

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Frequently asked questions

What is the operating temperature range for the Siemens 6AG1331-7RD00-2AB0 SIPLUS module?

The Siemens SIPLUS S7-300 SM 331 module (6AG1331-7RD00-2AB0) is designed to operate between -25°C and +70°C. Note that operation at 70°C is limited to 4-wire sensor configurations.