Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | ABB CMA120 3DDE300400 |
| Manufacturer | ABB |
| Product Category | Communication Module |
| Compatible System | AC 800M Controller |
| Interface Type | Ethernet |
| Protocol Support | Modbus TCP, OPC UA, IEC 61850 |
| Data Transfer Rate | 100/1000 Mbps |
| Power Supply | 24V DC (±10%) |
| Operating Temperature | -25°C to +70°C |
| Protection Rating | IP20 |
| Dimensions (W×H×D) | 45×130×115 mm |
| Redundancy Support | Yes (with redundant module) |
| Certifications | CE, UL, IEC 61131-2 |
ABB CMA120 3DDE300400
Product Introduction
The ABB CMA120 3DDE300400 is a high-performance Ethernet communication module designed for ABB’s AC 800M programmable automation controller. This advanced module enables seamless integration of industrial control systems with modern Ethernet-based networks, supporting multiple industrial protocols including Modbus TCP, OPC UA, and IEC 61850.
Engineered for mission-critical applications, the CMA120 module provides deterministic communication and high-speed data exchange between controllers and field devices. Its rugged design ensures reliable operation in harsh industrial environments, making it ideal for power generation, process automation, and manufacturing applications.
Core Advantages and Technical Highlights
High-Speed Industrial Communication:
Dual Ethernet ports with auto-crossover functionality
100/1000 Mbps transfer rates for real-time data exchange
Support for multiple protocols (Modbus TCP, OPC UA, IEC 61850)
Robust Industrial Design:
Wide operating temperature range (-25°C to +70°C)
Electrical isolation for noise immunity
Compact form factor for space-efficient installation
Advanced Diagnostics and Security:
Built-in web server for configuration and monitoring
Cybersecurity features including secure boot and encrypted communication
Comprehensive diagnostic functions for predictive maintenance
Seamless Integration:
Direct compatibility with AC 800M controller family
Redundancy support for high-availability systems
Easy configuration through ABB’s Control Builder engineering tool
Typical Application Scenarios
The ABB CMA120 3DDE300400 is widely used in:
Power Generation:
Substation automation systems
Turbine control and monitoring
Smart grid applications
Process Industries:
Oil & gas processing plants
Chemical and pharmaceutical manufacturing
Water and wastewater treatment
Manufacturing Automation:
Automotive production lines
Food and beverage processing
Heavy equipment manufacturing
Transportation Infrastructure:
Rail signaling systems
Tunnel and bridge control systems
Port automation
ABB CMA120 3DDE300400
Related Model Recommendations
ABB CMA121 – Redundant Ethernet communication module
ABB CI867 – PROFINET communication interface
ABB PM864AK01 – Processor module for AC 800M
ABB TB811 – Termination board for I/O modules
ABB S800 I/O – Remote I/O system for distributed automation
ABB COM600 – Communication gateway for network integration
Installation and Commissioning
Installation Guidelines:
Mount on DIN rail in a well-ventilated control cabinet
Use shielded Ethernet cables for noise immunity
Verify proper grounding of all components
Maintain minimum clearance for heat dissipation
Commissioning Steps:
Configure network parameters using Control Builder
Set up protocol-specific communication settings
Verify connection with all network devices
Test redundancy functionality (if applicable)
Document all configuration settings
Service and Warranty
ABB provides:
Standard 3-year warranty covering manufacturing defects
Global technical support through ABB’s service network
Firmware updates for performance enhancements
On-site service options for critical applications
Comprehensive documentation including manuals and certificates
The ABB CMA120 3DDE300400 represents ABB’s commitment to reliable industrial communication, combining advanced networking capabilities with rugged industrial design for demanding automation applications.
