ABB
ABB 3DDE300400/CMA120 Basic Controller Panel Unit
In stock, ready to ship
Manufacturer: ABB
Product No.: 3DDE300400/CMA120
Product Type: Basic Controller Panel Unit
Product Origin: Sweden
Payment: T/T
Weight: 460g
Shipping port: Xiamen
Warranty: 12 months
Yes, we provide a 30-day money-back guarantee for all purchases.
Yes, all items come with a 12-month warranty from the date of shipment.
The ABB 3DDE300400 (CMA120) is a specialized industrial Control Unit / Controller Panel designed for use in power systems, manufacturing, and marine automation.
It serves as a local interface for monitoring equipment status and executing basic control functions such as start, stop, and reset operations.
Key Functions
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Equipment Control: Start, stop, and reset industrial equipment
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Process Monitoring: Real-time status indication and data monitoring
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System Interface: Acts as an operator interface between field devices and control systems
Technical Specifications
| Feature | Details |
|---|---|
| Power Supply | 24 V DC (typical) |
| Digital Inputs | 8 |
| Analog Inputs | 4 (4–20 mA) |
| Outputs | 2 relay outputs / analog output (0–10 V) |
| Communication Interfaces | RS-485, Modbus RTU, or PROFIBUS DP |
| Protection Rating | IP65 (dust-tight and protected against water jets) |
| Operating Temperature | –20 °C to +70 °C |
Core Functions & Applications
Process Monitoring
Provides real-time data display and operational status monitoring for industrial machinery and systems.
Modular & Robust Design
Designed for easy installation and high reliability in harsh industrial environments, with resistance to vibration and shock.
Typical Applications
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Marine Automation: Control and monitoring of shipboard systems
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Power & Energy: Power distribution and energy management systems
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General Automation: Control of motors, pumps, and fans
Troubleshooting Tips
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Power Supply:
Verify that the 24 V DC supply is stable. Voltage drops can cause intermittent communication faults. -
Communication Status:
Check TX/RX LEDs on the RS-485 or PROFIBUS interface to confirm communication with the master PLC. -
Environmental Conditions:
Although rated IP65, ensure that all seals and cable glands are properly installed and intact, especially in wet or dusty environments.