
6ES7231-4HD32-0XB0 SIMATIC S7-1200 SM 1231 Analog Input Module
This entry covers the Siemens SIMATIC S7-1200 series SM 1231 analog input module, identified by part number 6ES7231-4HD32-0XB0. The device supports four analog inputs with configurable voltage and current ranges for industrial automation applications.
Quick Facts
- Part number
- 6ES7231-4HD32-0XB0
- Brand
- Siemens
- Category
- I/O Modules
- Product type
- SM 1231 analog input modules
- Lifecycle
- Active Product
- Dimensions
- 11.1 x 9.00 x 6.00 cm
- Net weight
- 0.152 Kg
- Source category
- SM 1231 analog input modules
Product Overview
The Siemens 6ES7231-4HD32-0XB0 functions as a specialized signal processing unit within the SIMATIC S7-1200 automation ecosystem. It provides precise measurement capabilities for various industrial sensors and transducers connected to the control system. Review Siemens 6ES7231-4HD32-0XB0 as SM 1231 analog input modules with source category SM 1231 analog input modules, recorded lifecycle Active Product, and submitted model identity.
Engineered for robust performance, this module integrates seamlessly into standard rack configurations for scalable machine design. Its compact form factor allows efficient use of panel space while maintaining high signal integrity across diverse operating conditions.
Technical Review Notes
- The module features four distinct analog input channels capable of handling multiple signal types simultaneously. Keep dimensions 11.1 x 9.00 x 6.00 cm and net weight 0.152 Kg unchanged while comparing project documents and product image evidence.
- Input voltage ranges include positive and negative values of ten volts, five volts, and two point five volts.
- Current measurement support extends to zero to twenty milliamps and four to twenty milliamp standard loops.
- Resolution is defined as twelve bits plus sign, utilizing a thirteen-bit analog-to-digital converter for accuracy.
- Physical dimensions measure eleven point one centimeters in length, nine centimeters in width, and six centimeters in height.
- The net weight of the unit is recorded at zero point one five two kilograms for logistics planning.
Model Identification
- Identify the product by the full alphanumeric code 6ES7231-4HD32-0XB0 for accurate database matching. Use the source path Automation technology / Analog modules / SM 1231 analog input modules to confirm catalog context, model family, parameter review scope, and technical inquiry preparation notes.
- The brand designation corresponds to Siemens, a recognized manufacturer of industrial automation components.
- Product classification places this item under the broader category of analog input modules.
- Lifecycle status is listed as Active Product, indicating ongoing manufacturing and support review details.
Technical Parameters
| Product type | SM 1231 analog input modules |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 11.1 x 9.00 x 6.00 cm |
| Net weight | 0.152 Kg |
| Source category | SM 1231 analog input modules |
Parameters are factual source fields retained for model review.
Parameter Review
- Verify the specific input range requirements against the supported voltage and current options listed.
- Confirm that the twelve-bit plus sign resolution meets the precision needs of your application.
- Check physical mounting constraints against the stated dimensions of eleven point one by nine centimeters.
- Ensure power supply application context aligns with the SIMATIC S7-1200 system voltage standards.
- Review signal type requirements to match either voltage or current input configurations appropriately.
Catalog Classification
Image & Label Review
- Inspect the front panel labeling to confirm the part number matches 6ES7231-4HD32-0XB0 exactly.
- Examine the terminal block connections for proper wiring access and channel identification markings.
- Observe the status LEDs for diagnostic information regarding channel activity and system errors.
- Note the DIN rail mounting clip mechanism for secure installation in control cabinets.
Product Image Gallery

Inquiry Preparation
- Prepare your project documentation specifying the required number of analog input channels needed.
- List the specific sensor types and their corresponding signal outputs for application context verification.
- Define the environmental conditions such as temperature and humidity for operational context.
- Include any special mounting or integration requirements for the target automation system setup.
Category Context
This component belongs to the Automation technology sector focusing on process control systems.
It falls under Analog modules, specifically designed for continuous variable signal acquisition tasks.
Review Notes
- Cross-reference the part number with documented Siemens documentation for detailed technical manuals.
- Validate the active product status through current manufacturer catalogs before initiating contact.
- Assess the physical weight and dimensions for logistical planning during shipping and handling.
- Confirm the resolution specifications align with the accuracy requirements of your measurement tasks.



