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Product Overview

The Siemens SIMATIC S7-1200 SM 1231 Analog Input Module (6ES7231-4HD32-0XB0) is an analog input expansion module designed for Siemens S7-1200 PLC systems. It provides four analog input channels for measuring voltage and current signals from industrial sensors, transmitters, and process instruments.

This Siemens 4-channel analog input module supports ±10 V, ±5 V, ±2.5 V, 0–20 mA, and 4–20 mA input signals. It is suitable for industrial process monitoring, sensor measurement, and automation systems that require accurate analog signal acquisition.

Technical Specifications

• Brand: Siemens
• Product Series: SIMATIC S7-1200
• Module Type: SM 1231 Analog Input Module
• Order Number: 6ES7231-4HD32-0XB0
• Number of Analog Inputs: 4 channels
• Input Type: Voltage and current differential inputs
• Voltage Input Ranges: ±10 V, ±5 V, ±2.5 V
• Current Input Ranges: 0–20 mA, 4–20 mA
• Resolution: 12-bit plus sign bit (13-bit ADC)
• Rated Supply Voltage: 24 V DC
• Typical Current Consumption: 45 mA
• Typical 5V Backplane Bus Current: 80 mA
• Maximum Conversion Cycle Time: 625 µs for all channels
• Typical Power Loss: 1.5 W
• Input Resistance: At least 9 MΩ for voltage inputs; 280 Ω for current inputs
• Dimensions (W × H × D): Approximately 45 × 100 × 75 mm
• PLC Compatibility: Siemens SIMATIC S7-1200, subject to CPU and configuration compatibility
• Product Status: Active in Siemens product information

Key Features

• Four analog input channels in one compact module
• Supports both voltage and current signals
• Compatible with standard 0–10 V-class process measurement setups when configured for the appropriate supported range
• Supports common 4–20 mA industrial transmitters
• 12-bit resolution plus sign bit
• Fast conversion cycle for analog signal acquisition
• Designed for integration with Siemens S7-1200 PLC systems
• Suitable for industrial control panel and process automation applications

Applications

• Industrial process monitoring and control
• Pressure and flow transmitter signal acquisition
• Level and temperature transmitter monitoring when using compatible signal outputs
• Voltage and current signal measurement
• Manufacturing and production automation
• PLC-based control panels and industrial machinery

Buy Siemens 6ES7231-4HD32-0XB0 from Automation Seba

Creative Industrial Automation (CIA) – Automation Seba, based in Bogura, Bangladesh, supplies industrial automation products and provides technical support for PLC, HMI, VFD, and control panel applications.

Contact us to confirm the current price, stock availability, product condition, warranty, and compatibility with your existing PLC system before ordering.

Website: https://automationseba.com

Our Services: PLC programming, troubleshooting, commissioning, repair, maintenance, and industrial automation support.

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