ABB CMA126 interface card

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ABB CMA126 Interface Card

1. Product Description & Technical Specifications

Model: CMA126
Type: Interface Card
Function:
The CMA126 interface card is used in ABB automation control systems to provide data interfacing and signal conversion between controllers, external devices, I/O modules, or supervisory systems. It supports multiple input/output types and offers high-speed, reliable signal transmission and monitoring, making it a key module for system integration and expansion.

Technical Specifications:

• Module Type: Plug-in interface module

• Input Types: Analog input, digital input

• Output Types: Analog output, digital output, relay output

• Communication Interfaces: CAN bus, Modbus, or ABB proprietary interface

• Transmission Rate: 10 kbps – 1 Mbps (depending on protocol)

• Power Supply: 12/24 VDC

• Operating Temperature: -20°C to +70°C

• Storage Temperature: -40°C to +85°C

• Humidity: 5%–95% non-condensing

• Installation: Plug-in or panel mount

• Certification: CE

2. Advantages & Key Features

1. Multi-functional interface support
   Supports analog and digital I/O, as well as relay output, meeting diverse device requirements.

2. High-speed, reliable communication
   Supports CAN bus, Modbus, or ABB proprietary protocols for real-time data transmission.

3. Modular design
   Plug-in structure allows easy maintenance and quick replacement, reducing system downtime.

4. Industrial-grade stability
   Resistant to interference, high temperature, and humidity, suitable for complex industrial environments.

5. Easy integration
   Seamlessly compatible with ABB controllers and I/O modules for easy system expansion.

6. Status monitoring and diagnostics
   Provides status indicators and diagnostic functions for convenient maintenance.

3. Typical Applications

• Factory automation control systems

• Diesel/engine control systems

• Power and energy management systems

• Machinery control and monitoring

• Industrial field data acquisition

• Automated production lines and remote monitoring systems

4. Precautions

1. Power off before installation or removal.

2. Follow wiring instructions carefully to prevent short circuits or miswiring.

3. Avoid high temperature, humidity, or corrosive environments.

4. Ensure communication interfaces and cables are properly grounded to prevent interference.

5. Regularly check module status and output signals to ensure proper operation.

6. Configure and maintain according to ABB manuals to prevent data loss or communication errors.

The structure and details of the product：

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