
Inquiry for Siemens 6AG1231-5ND32-4XB0 Analog Input Module
This listing details the Siemens 6AG1231-5ND32-4XB0, an analog input module designed for harsh environments. The unit features conformal coating and extended temperature operation capabilities.
Quick Facts
- Part number
- 6AG1231-5ND32-4XB0
- Brand
- Siemens
- Category
- I/O Modules
- Product type
- I/O Modules
- Lifecycle
- Active Product
- Dimensions
- 11.00 x 8.8 x 5.7 cm
- Net weight
- 0.169 Kg
- Source category
- SIPLUS SM 1231 analog input modules
Product Overview
The Siemens 6AG1231-5ND32-4XB0 is an analog input module derived from the standard 6ES7231-5ND32-0XB0 design. It incorporates specialized protective measures for demanding industrial settings.
This module supports four analog inputs with various voltage and current ranges. It provides high-resolution data acquisition for precise process monitoring applications.
Technical Review Notes
- The device operates within an extended temperature range of -20°C to +60°C. This allows functionality in environments with significant thermal variations.
- Conformal coating protects internal components against moisture, dust, and corrosive agents. This enhancement ensures reliability in challenging industrial conditions.
- The module offers four analog input channels for signal processing. These channels support multiple standard industrial measurement types effectively.
- Input signal ranges include ±10 V, ±5 V, ±2.5 V, and ±1.25 V options. Current inputs support 0-20 mA and 4-20 mA standards.
- Resolution is specified at 15 bits plus a sign bit for accurate data representation. This precision supports detailed analysis of analog signals.
- Physical dimensions are recorded as 11.00 x 8.8 x 5.7 cm. The net weight is listed at 0.169 Kg for handling reference.
Model Identification
- The part number 6AG1231-5ND32-4XB0 identifies this specific SIPLUS variant. It distinguishes the ruggedized version from standard S7-1200 modules.
- This model belongs to the SM 1231 series of analog input modules. It is categorized under SIPLUS analog modules for automation technology.
- The lifecycle status is recorded as an Active Product. This indicates ongoing production and support for the component.
- The base design originates from the 6ES7231-5ND32-0XB0 module. Modifications include environmental protection features for extended operational use.
Technical Parameters
| Product type | I/O Modules |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 11.00 x 8.8 x 5.7 cm |
| Net weight | 0.169 Kg |
| Source category | SIPLUS SM 1231 analog input modules |
Parameters are factual source fields retained for model review.
Parameter Review
- Voltage input ranges cover ±10 V, ±5 V, ±2.5 V, and ±1.25 V. Select the appropriate range based on sensor output specifications.
- Current input configurations support both 0-20 mA and 4-20 mA loops. Ensure loop power and wiring match these requirements.
- The resolution of 15 bits plus sign bit affects measurement accuracy. Verify that this precision meets your control system needs.
- Operating temperature spans from -20°C to +60°C. Confirm that ambient conditions in your installation fall within this range.
- Dimensions and weight are fixed physical parameters. Plan mounting space and handling procedures according to the recorded measurements.
Catalog Classification
Image & Label Review
- Visual inspection should confirm the presence of conformal coating on the circuit board. This layer is critical for environmental protection.
- Check terminal blocks for secure connection points for analog signals. Proper wiring ensures reliable signal transmission to the module.
- Verify labeling matches the part number 6AG1231-5ND32-4XB0 exactly. Correct identification prevents errors during installation and maintenance.
- Examine the housing for any signs of physical damage or wear. Intact casing is necessary for maintaining the IP rating.
Product Image Gallery

Inquiry Preparation
- Prepare your project documentation specifying required analog input signal types. Include details on voltage or current ranges needed for sensors.
- Document the environmental conditions where the module will operate. Temperature and humidity levels help assess suitability for this SIPLUS variant.
- Review your PLC rack configuration for slot review details and power supply. Ensure the S7-1200 system can accommodate the SM 1231 module.
- Contact your designated Siemens review contacts or contact for further assistance. They can provide additional technical guidance for your specific application.
Category Context
This module falls under the broader category of I/O Modules. It serves as a key interface between field devices and the controller.
It is specifically classified within SIPLUS analog modules. This subcategory highlights its enhanced durability for industrial automation applications.
Review Notes
- The product class indicates it is review restricted. Consult your Siemens review contacts or contact regarding any review procedures.
- Source parameter review confirms the technical specifications listed above. All data points are derived from documented manufacturer documentation.
- Project document review should verify application context with existing system architecture. Ensure all interface requirements are met before submission.
- Inquiry submission requires accurate reflection of your technical needs. Provide complete details to facilitate a precise response from inquiry team.



