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Siemens 6ES7231-5ND32-0XB0 SIMATIC S7-1200 Analog Input Module

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SKU: 6ES7231-5ND32-0XB0 PLC & Industrial Automation Modules Siemens
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Siemens 6ES7231-5ND32-0XB0 SIMATIC S7-1200 Analog Input Module New Original Ready to ship

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Product Overview

Parameter Details
Part Number 6ES7231-5ND32-0XB0
Product Name SIMATIC S7-1200 Analog Input Module SM 1231 AI 4×13 bit
Application Analog signal acquisition for industrial automation and process control systems, suitable for monitoring process variables like pressure, flow, level, and voltage signals
Compatibility SIMATIC S7-1200 PLC system; integrates with S7-1200 CPUs, ET 200SP distributed I/O, and backplane-powered setups
Function Provides 4 isolated analog inputs with high-resolution conversion for precise data collection and diagnostics

Functional Specifications

Parameter Details
Number of Inputs 4 (fully isolated)
Input Type Analog voltage or current inputs
Input Ranges Voltage: ±10 V, ±5 V, ±2.5 V, ±1.25 V, 0-10 V; Current: 0-20 mA, 4-20 mA
Resolution 13-bit (12-bit + sign bit)
Accuracy ±0.3% of full scale
Input Resistance Voltage: — 1 M ©; Current: 100 © (internal shunt)
Conversion Time 1 ms per channel (4 ms full scan)
Supply Voltage Rated value (DC): 24 V; Range: 20.4 V to 28.8 V
Power Consumption 1.5 W
Operating Temperature -20 °C to +60 °C (horizontal mounting); 0 °C to +60 °C (vertical)
Storage Temperature -40 °C to +70 °C
Dimensions Width: 45 mm; Height: 100 mm; Depth: 75 mm
Weight Approximately 0.18 kg
Protection Rating IP20
Certifications CE mark; CSA, UL, cULus approval
Standards Compliance IEC 61131-2; EN 61000-6-4 (EMC emissions); EN 61000-6-2 (EMC immunity)

Ordering Information

Parameter Details
Part Number Configuration 6ES7231-5ND32-0XB0 (SM 1231 AI, 4 inputs, 13-bit, voltage/current ranges)
Available Options Variants for higher resolution (e.g., 6ES7231-4HF30-0XB0 for 8 inputs, 13-bit) or RTD/thermocouple inputs
Customization Extended temperature range or specific certifications available upon request

Product Series

Siemens Simatic S5 & Specialty Modules
Country of Origin

DE

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