Siemens 6ES7231-5PD32-0XB0 SM1231 RTD Analog Input Module

6ES72315PD320XB0 – High-precision SM1231 RTD analog input module for the SIMATIC S7-1200 series. Offers 4× RTD channels for accurate resistance temperature detection and monitoring. Designed for easy DIN rail installation and seamless integration into temperature-sensitive automation processes.

Technical Specifications

• Model: 6ES7231-5PD32-0XB0 Siemens
• Series: SIMATIC S7-1200
• Module Type: SM1231 RTD Analog Input Module
• Analog Inputs: 4 × AI RTD
• Signal Type: Resistance temperature detectors (RTDs)
• Mounting Type: DIN rail mounting
• Power Supply: Via backplane bus from CPU
• Net Weight: 0.191 kg
• Dimensions (H×W×D): 9.0 × 11.2 × 6.0 cm
• Lifecycle Status: Active product
• Country of Origin: China

Function & Application

Purpose:
The Siemens SM1231 RTD module provides reliable and scalable temperature acquisition through RTD sensors in industrial applications.

It connects seamlessly with S7-1200 CPUs and supports precise analog signal evaluation for process control, monitoring, and temperature regulation tasks.

Typical Applications:

• Temperature monitoring in manufacturing
• Process control in HVAC and energy systems
• Laboratory and testing automation
• Food and beverage processing
• Chemical and pharmaceutical industries

Performance & Features

• 4-Channel RTD Input : Supports PT100, PT1000, and other standard RTDs.
• High-Accuracy Temperature Measurement : Ideal for precise analog signal evaluation.
• Compact Design : Perfect for space-constrained automation panels.
• DIN Rail Installation : Quick and tool-free mounting in S7-1200 environments.
• Seamless Integration with S7-1200 PLCs : Plug-and-play compatibility through TIA Portal.

6ES7231-5PD32-0XB0 Compliance & Classification

• RoHS Compliance: Since 30.08.2013
• WEEE Take-Back Obligation: Yes

REACH Substances:

• Lead (CAS 7439-92-1) > 0.1%
• Lead monoxide (CAS 1317-36-8) > 0.1%
• 4,4′-isopropylidenediphenol (CAS 80-05-7) > 0.1%
• SCIP Number: 96d70b18-3566-4c8a-8f10-708ac16fe5fb
• Commodity Code: 85389091
• Catalog ID: ST72
• Product Group: 4508
• Group Code: R132
• Product Class: A – Returnable stock item
• EAN: 6940408101876
• UPC: 887621549794

Key Features & Benefits:

✅ 4× AI RTD Inputs: Supports multiple RTD sensors for parallel temperature measurement.

✅ Seamless S7-1200 Integration: Fully compatible with Siemens TIA Portal and PLC systems.

✅ Compact DIN Rail Module: Efficiently fits into small enclosures and automation cabinets.

✅ Industrial-Grade Accuracy: Designed for high-reliability temperature sensing.

✅ RoHS & REACH Compliant: Certified for use in regulated environments.

📦 Order Today for Fast UK & Europe Delivery!

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Need help configuring RTD modules, integrating into your S7-1200 PLC system, or selecting the right input range for sensors?

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