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Product Introduction
The ABB CMA127 3DDE300407 is a high-performance analog output module used in industrial automation systems, particularly within ABB’s Advant Master DCS framework. Designed to provide precise and reliable analog signal output, the module plays a critical role in regulating and controlling field devices such as control valves, actuators, and analog indicators. It ensures that digital control signals from the control unit are accurately converted into analog outputs suitable for process operations.
This module is known for its robust construction, long service life, and excellent accuracy in harsh industrial environments. Its compatibility with various analog output devices and seamless integration into ABB’s automation systems make it a favored choice in industries that demand high precision and reliability.
Product Features & Advantages
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High Accuracy: Delivers precise analog signal conversion for optimal process control.
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Multiple Output Channels: Supports multiple analog output signals, increasing flexibility and control capacity.
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Built for Harsh Environments: Industrial-grade construction ensures resistance to shock, vibration, and temperature fluctuations.
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Compact Design: Slim form factor allows for easy installation within tight control panels.
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System Compatibility: Fully compatible with ABB Advant Master systems and integrates seamlessly with related modules.
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Reliable Performance: Proven field reliability in continuous process industries such as chemical, power, and oil & gas.
Technical Specifications
| Parameter | Details |
|---|---|
| Product Name | CMA127 |
| Product Code | 3DDE300407 |
| Manufacturer | ABB |
| Module Type | Analog Output Module |
| Output Type | Analog Voltage/Current (e.g., 4-20 mA, 0-10 V) |
| Channels | 8 Analog Outputs |
| Operating Voltage | 24 V DC |
| Power Consumption | ≤ 5 W |
| Resolution | 12-bit |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions | 100 × 60 × 30 mm |
| Weight | 0.5 kg |
| Mounting | DIN Rail |
| Communication Protocol | Proprietary ABB Bus Protocol |
| Certifications | CE, RoHS, UL |
Application Areas
The ABB CMA127 3DDE300407 analog output module is widely used across various sectors including:
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Power Plants – For control of steam valves and monitoring instruments.
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Chemical Industry – Precise output for metering pumps and flow controls.
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Oil & Gas – Analog signal control in pipeline and drilling operations.
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Water Treatment Plants – For regulating pH and chemical dosing systems.
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Manufacturing Automation – Controls for actuators, servo mechanisms, and process feedback systems.
Product Benefits
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Enhanced Signal Integrity: Guarantees minimal signal loss and electrical interference.
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Reduced Downtime: Long-lasting components lower maintenance frequency.
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Flexible Configuration: Supports various analog formats based on application needs.
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Seamless System Integration: Reduces engineering and commissioning time.
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Proven Compatibility: Works efficiently with existing ABB DCS systems.
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Low Power Consumption: Energy-efficient design reduces operating costs.
Frequently Asked Questions (FAQ)
Q1: What types of analog signals does the ABB CMA127 support?
A1: It supports standard analog signals like 4-20 mA and 0-10 V.
Q2: Is the CMA127 compatible with ABB Advant Master DCS?
A2: Yes, it is designed specifically for integration with ABB’s Advant Master systems.
Q3: How many output channels does this module have?
A3: The CMA127 module supports 8 analog output channels.
Q4: What is the typical resolution of its output signals?
A4: It offers a 12-bit resolution for accurate output control.
Q5: Can it be used in high-humidity environments?
A5: Yes, the module is rated for up to 95% non-condensing humidity.
Q6: What kind of mounting does the CMA127 use?
A6: It uses standard DIN rail mounting for easy installation.
Q7: What certifications does this product hold?
A7: It complies with CE, RoHS, and UL certifications.
Q8: How is the module powered?
A8: It operates on a 24 V DC power supply.
Q9: Is firmware or software configuration required?
A9: It may require configuration through the ABB system interface but no separate software is typically needed.
Q10: What’s the average weight of the module?
A10: The CMA127 weighs approximately 400 grams.
Recommended Related or Same Series Models
| Model | Description |
|---|---|
| CMA121 3DDE300401 | Digital Output Module |
| CMA122 3DDE300402 | Digital Input Module |
| CMA123 3DDE300403 | Analog Input Module |
| CMA124 3DDE300404 | Analog Output Module |
| CMA125 3DDE300405 | High-precision Analog Output Module |
| CMA126 3DDE300406 | High-channel Analog Input Module |
Other Popular ABB Models
| Model | Function | Dimensions (mm) | Weight |
|---|---|---|---|
| CI854AK01 | Profibus-DP Communication Module | 120 × 115 × 40 | 300 g |
| PM864AK01 | CPU Processor Unit | 150 × 140 × 45 | 500 g |
| AI810 3BSE008516R1 | Analog Input Module | 100 × 140 × 60 | 350 g |
| DO810 3BSE008510R1 | Digital Output Module | 100 × 140 × 60 | 330 g |
| DI810 3BSE008508R1 | Digital Input Module | 100 × 140 × 60 | 320 g |
| CI860 3BSE032444R1 | Communication Interface | 120 × 130 × 45 | 360 g |
