
6AG1055-1MB00-7BA2 SIPLUS LOGO! DM8 12/24R Expansion Module
This listing details the Siemens 6AG1055-1MB00-7BA2, an expansion module designed for robust industrial environments. The unit features conformal coating and operates within extended temperature limits.
Quick Facts
- Part number
- 6AG1055-1MB00-7BA2
- 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
- 0.167 Kg
- Source category
- SIPLUS LOGO! expansion modules
Product Overview
The Siemens 6AG1055-1MB00-7BA2 functions as an expansion module for the LOGO! 8 series, providing additional digital input and output capabilities for control applications.
Designed for harsh conditions, this unit includes conformal coating to protect internal components against moisture, dust, and corrosive agents found in demanding industrial settings.
Technical Review Notes
- Power supply requirements are listed as 12, 24 V/12 V/24 V/relay, ensuring flexible integration with various standard industrial voltage levels.
- The module supports two mains interfaces, allowing for efficient power distribution and management within the expanded controller architecture.
- Digital input capacity is recorded as four points, enabling the connection of multiple sensors or switches to the central processing unit.
- Digital output capacity is recorded as four points, utilizing relay technology to handle switching loads for actuators and indicators.
- Operating temperature range extends from -40 to +70 °C, supporting deployment in extreme environmental conditions without performance degradation.
- Startup capability is specified at -25 °C, ensuring reliable initialization even when ambient temperatures are significantly below freezing.
Model Identification
- The base model reference is 6ED1055-1MB00-0BA2, indicating the core hardware configuration upon which the SIPLUS variant is built.
- The SIPLUS designation confirms enhanced environmental protection features, specifically tailored for outdoor or uncontrolled indoor industrial installations.
- The suffix DM8 identifies the specific module type within the LOGO! 8 family, denoting its role as a digital expansion unit.
- The 12/24R designation refers to the relay output configuration, distinguishing it from transistor-based output variants in the product line.
Technical Parameters
| Product type | PLC CPUs & Controllers |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 9.5 x 7.00 x 5.5 cm |
| Net weight | 0.167 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 x 7.00 x 5.5 cm, allowing for compact mounting in standard control cabinet layouts.
- Net weight is listed as 0.167 Kg, contributing minimal load to DIN rail mounting systems compared to larger controller units.
- Lifecycle status is documented as Active Product, indicating ongoing manufacturing support and current relevance for new automation projects.
- The product class field remains empty in source data, requiring direct verification of specific classification codes during detailed review.
- Category placement falls under Automation technology and SIPLUS LOGO! expansion modules, aligning with broader industrial control system architectures.
Catalog Classification
Image & Label Review
- Visual inspection should confirm the presence of conformal coating on internal circuitry, visible through transparent housing sections if applicable.
- Terminal block markings must correspond to the 12/24V power supply and relay output configurations described in technical specifications.
- Labeling on the module faceplate should clearly display the full part number 6AG1055-1MB00-7BA2 for accurate identification purposes.
- Mounting clips and DIN rail attachment points should appear intact, ensuring secure installation in vibration-prone industrial environments.
Product Image Gallery

Inquiry Preparation
- Verify that the target application requires four digital inputs and four relay outputs for proper system integration planning.
- Confirm ambient temperature conditions fall within the -40 to +70 °C operating range to ensure reliable module performance.
- Check power supply review details for 12, 24 V/12 V/24 V/relay inputs to match the module's electrical requirements accurately.
- Review project documentation to ensure the SIPLUS environmental rating meets the specific corrosion or moisture protection needs.
Category Context
This module belongs to the PLC CPUs & Controllers category, serving as an essential component for expanding logic capabilities.
It integrates directly with LOGO! 8 controllers, enhancing system functionality through additional digital I/O points for complex tasks.
Review Notes
- Source parameter review indicates strict adherence to SIPLUS environmental standards for enhanced durability in challenging industrial settings.
- Project document review should confirm application context with existing LOGO! 8 hardware infrastructure before proceeding with detailed specifications.
- Technical specification analysis highlights the importance of relay outputs for switching higher current loads compared to solid-state alternatives.
- Environmental rating verification ensures the conformal coating provides adequate protection against the specific contaminants present in the installation site.



