
Siemens 6AG1241-1AH32-2XB0 SIPLUS CM 1241 RS-232 Communications Module
This industrial communications module features a robust RS-232 interface designed for demanding operational environments. It extends standard functionality with enhanced thermal resistance and protective coating for reliable data transmission.
Quick Facts
- Part number
- 6AG1241-1AH32-2XB0
- Brand
- Siemens
- Category
- Communication & Networking
- Product type
- Communication & Networking
- Lifecycle
- Active Product
- Dimensions
- 10.4 x 9.1 x 5.8 cm
- Net weight
- 0.156 Kg
- Source category
- SIPLUS CM 1241 communications modules
Product Overview
The Siemens 6AG1241-1AH32-2XB0 is a specialized communications module built upon the standard S7-1200 CM 1241 platform. It incorporates conformal coating to protect internal circuitry from harsh industrial conditions. Review Siemens 6AG1241-1AH32-2XB0 as Communication & Networking with source category SIPLUS CM 1241 communications modules, recorded lifecycle Active Product, and submitted model identity.
Designed for extended temperature ranges, this unit supports operation from -40°C to +70°C with startup capability at -25°C. The module facilitates serial data exchange through a standard RS-232 protocol interface.
Technical Review Notes
- Interface type is RS-232 utilizing a 9-pin D-sub connector for physical connection to peripheral devices. Keep dimensions 10.4 x 9.1 x 5.8 cm and net weight 0.156 Kg unchanged while comparing project documents and product image evidence.
- Operational temperature range spans from -40 degrees Celsius up to +70 degrees Celsius for continuous use.
- Startup temperature threshold allows initialization of the module at temperatures as low as minus twenty-five degrees Celsius.
- Physical dimensions are recorded as 10.4 cm width, 9.1 cm height, and 5.8 cm depth for mounting planning.
- Net weight is listed at 0.156 kilograms, indicating a lightweight design listed for dense control cabinet installations.
- Supports Freeport mode operation, enabling custom protocol implementation beyond standard PPI or MPI communication methods.
Model Identification
- Base model reference is derived from the 6ES7241-1AH32-0XB0 component with added environmental protection features.
- SIPLUS designation indicates enhanced industrial grade specifications compared to standard commercial automation hardware components.
- CM 1241 classification identifies this unit specifically as a communications module for the SIMATIC S7-1200 series.
- Product lifecycle status is currently active, meaning the component remains in production and specification support.
Technical Parameters
| Product type | Communication & Networking |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 10.4 x 9.1 x 5.8 cm |
| Net weight | 0.156 Kg |
| Source category | SIPLUS CM 1241 communications modules |
Parameters are factual source fields retained for model review.
Parameter Review
- Conformal coating application provides additional protection against moisture, dust, and corrosive agents in industrial settings.
- RS-232 standard ensures broad application context with legacy serial devices requiring asynchronous serial communication protocols.
- 9-pole D-sub connector offers a standardized mechanical interface for secure cable attachment and signal integrity.
- Freeport support allows users to define custom communication protocols for specialized equipment integration requirements.
- Extended thermal rating enables deployment in uncontrolled environments where standard electronic components might fail prematurely.
Catalog Classification
Image & Label Review
- Visual inspection should confirm the presence of the 9-pin D-sub female connector on the front panel.
- Check labeling for the full part number 6AG1241-1AH32-2XB0 to verify specific SIPLUS variant identification.
- Examine housing for signs of conformal coating coverage on visible circuit board areas if accessible.
- Verify physical dimensions match the 10.4 x 9.1 x 5.8 cm specification for DIN rail mounting fit.
Product Image Gallery

Inquiry Preparation
- Review project documentation to confirm RS-232 baud rate and parity settings required for connected devices.
- Assess environmental conditions to ensure the -40 to +70°C range meets site operational temperature needs.
- Prepare cable specifications including length and connector type to ensure proper signal transmission over distance.
- Document Freeport protocol requirements if custom communication logic is needed for specific industrial machinery integration.
Category Context
This module falls under the broader Automation technology category focusing on programmable logic controller peripherals.
It is classified within Communication & Networking solutions for serial data exchange in industrial control systems.
Review Notes
- Confirm that the review restriction class B applies to your specific inquiry preparation and disposal procedures.
- Verify that the extended temperature range aligns with the specific environmental challenges of the installation site.
- Ensure that the Freeport mode capabilities are sufficient for any non-standard communication protocols in use.
- Cross-reference the base model 6ES7241-1AH32-0XB0 specifications to understand the core functionality before adding SIPLUS features.



