
6AG1055-1CB00-7BA2 Siemens SIPLUS LOGO! Expansion Module
This listing presents the Siemens 6AG1055-1CB00-7BA2, an expansion module designed for robust industrial environments. The unit features specialized coatings and wide temperature tolerance for demanding operational conditions.
Quick Facts
- Part number
- 6AG1055-1CB00-7BA2
- Brand
- Siemens
- Category
- PLC CPUs & Controllers
- Product type
- PLC CPUs & Controllers
- Lifecycle
- Active Product
- Dimensions
- 9.5 x 7.00 x 5.5 cm
- Net weight
- 0.133 Kg
- Source category
- SIPLUS LOGO! expansion modules
Product Overview
The Siemens 6AG1055-1CB00-7BA2 serves as an expansion module for the LOGO! 8 series, providing additional input and output capabilities for control applications.
Designed for harsh conditions, this unit includes conformal coating and operates within an extended temperature range, ensuring reliability in challenging industrial settings.
Technical Review Notes
- Base model reference is 6ED1055-1CB00-0BA2, adapted for enhanced environmental resistance through specific material and design modifications.
- Conformal coating protects internal components against moisture, dust, and corrosive agents, extending operational life in difficult environments.
- Operating temperature range spans from -40 to +70 degrees Celsius, allowing functionality in extreme cold or heat scenarios.
- Startup capability is maintained down to -25 degrees Celsius, ensuring reliable initialization even after exposure to low temperatures.
- Power supply configuration utilizes 24 V DC for both power and input/output circuits, standardizing energy requirements for integration.
- I/O configuration provides four digital inputs and four digital outputs, expanding the control capacity of the base LOGO! unit.
Model Identification
- Part number 6AG1055-1CB00-7BA2 identifies the specific variant with extended temperature ratings and protective coating features.
- The prefix 6AG indicates the product belongs to the SIMATIC LOGO! automation system family within the Siemens portfolio.
- Suffix BA2 distinguishes this model from standard versions, highlighting the specialized SIPLUS enhancements for rugged applications.
- Classification as an expansion module confirms its role in augmenting the functionality of a primary LOGO! controller unit.
Technical Parameters
| Product type | PLC CPUs & Controllers |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 9.5 x 7.00 x 5.5 cm |
| Net weight | 0.133 Kg |
| Source category | SIPLUS LOGO! expansion modules |
Parameters are factual source fields retained for model review.
Parameter Review
- Physical dimensions are recorded as 9.5 cm by 7.00 cm by 5.5 cm, indicating a compact form factor for DIN rail mounting.
- Net weight is listed at 0.133 kg, reflecting the lightweight construction typical of modern electronic control modules.
- Lifecycle status is noted as Active Product, suggesting ongoing manufacturing or support review details for current projects.
- Product class B indicates restricted review notes, requiring direct contact with designated Siemens review contacts for handling inquiries.
- Source category path places this item under Automation technology, specifically within the SIPLUS LOGO! expansion modules segment.
Catalog Classification
Image & Label Review
- Visual inspection should confirm the presence of conformal coating indicators or labeling denoting extended temperature capabilities.
- Check terminal block markings to verify the 24 V power supply and 4 DI/4 DQ configuration layout.
- Ensure the part number label matches 6AG1055-1CB00-7BA2 exactly to avoid confusion with standard LOGO! expansion units.
- Inspect housing integrity for any signs of damage that might compromise the protective coating or environmental sealing.
Product Image Gallery

Inquiry Preparation
- Prepare project documentation specifying the required operating temperature range to validate suitability for the -40 to +70 C specification.
- Confirm power supply voltage stability at 24 V DC to ensure proper operation of the digital input and output circuits.
- Review existing LOGO! 8 controller models to determine if additional expansion slots are recorded for this module.
- Contact designated Siemens review contacts directly, as product class B requires specific handling procedures for review and support.
Category Context
This module falls under the broader PLC CPUs & Controllers category, serving as an auxiliary component for logic control.
It complements main processing units by providing expanded I/O capacity for complex automation tasks in industrial settings.
Review Notes
- Verify that the application environment does not exceed the specified thermal limits for continuous operation.
- Ensure mounting hardware is application context with the compact dimensions and weight of the expansion module.
- Cross-reference the base model 6ED1055-1CB00-0BA2 documentation for detailed programming and wiring schematics.
- Confirm that the conformal coating meets industry standards for the specific chemical or moisture exposure risks present.



