Many procurement teams check 6ES7231-4HF32-0XB0 against Schneider PLC, Siemens HMI and 6Es7 215 1Ag40 0Xb0 before signing purchase orders, verifying quality, compliance, and after-sales support availability.
6ES7231-4HF32-0XB0 - SIMATIC Siemens S7-1200 SM 1231 AI
The SIMATIC Siemens S7-1200 SM 1231 AI 6ES7231-4HF32-0XB0 is a high-precision analog input module with 8 AI channels, engineered for seamless integration into industrial automation systems.
| Brand | Siemens |
| Product Type | PLC - Programmable logic Controller |
| Series | Simatic S7-1200 |
| SKU / MPN | 6ES7231-4HF32-0XB0 |
SIMATIC Siemens S7-1200 SM 1231 AI 6ES7231-4HF32-0XB0 Technical Specifications:
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-1200, Analog input, SM 1231, 8 AI, +/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA/4-20 mA, 12 bit+sign or (13 bit ADC) |
| Product Family | SM 1231 analog input modules |
| Product Lifecycle (PLM) | PM300:Active Product |
| Net Weight (kg) | 0,195 Kg |
| Packaging Dimension | 8,90 x 10,60 x 5,70 |
| Package Size Unit of Measure | CM |
| Country of Origin | China |
Belonging to the SM 1231 analog input module family, the 6ES7231-4HF32-0XB0 supports ±10 V, ±5 V, ±2.5 V as well as 0–20 mA / 4–20 mA current loop inputs across its 8 analog channels. The module provides a resolution of 12-bit + sign (13-bit ADC), ensuring accurate signal conversion for critical industrial applications. With dimensions of 8.90 x 10.60 x 5.70 cm and a weight of just 0.195 kg, this compact module fits easily into space-limited control cabinets.
Classified under the PM300: Active Product Lifecycle, the 6ES7231-4HF32-0XB0 is guaranteed long-term availability and seamless integration with Siemens S7-1200 CPUs via the TIA Portal. Manufactured in China under Siemens' stringent global quality standards, this module ensures robust signal stability and compatibility with both legacy and modern analog field devices. Whether you're scaling up an automation system or upgrading legacy hardware, this PLC analog input module offers excellent noise immunity and long-term reliability.
With diagnostic support, fast signal acquisition, and configurable input ranges, the 6ES7231-4HF32-0XB0 is optimized for industrial measurement and feedback loops. For detailed wiring diagrams, signal specs, and configuration parameters, refer to the official Siemens datasheet for 6ES7231-4HF32-0XB0.
The Siemens 6ES7231-4HF32-0XB0 PLC is built for environments that demand accurate analog signal measurement and process reliability. It is ideal for use in water treatment plants, chemical dosing systems, building automation, and food processing—where it can monitor signals from flow meters, level transmitters, thermocouples, and pressure sensors with confidence.
Engineers benefit from its ability to handle both voltage and current inputs, allowing flexible deployment in multi-sensor systems without requiring additional signal conditioning hardware. Its integration into the S7-1200 platform via TIA Portal simplifies configuration, supports live diagnostics, and reduces commissioning time—saving both engineering hours and cost.
It helps learners understand signal scaling, sensor calibration, and analog fault detection—all within a real-world industrial framework. With Siemens’ trusted quality and precision, this analog input module remains a preferred choice for scalable, sensor-integrated automation systems. For Indian engineering students and junior technicians, the 6ES7231-4HF32-0XB0 provides a strong foundation in analog-to-digital conversion within industrial PLCs.
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