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- 3DDE300402/3DDE 300 402
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Product Technical Profile – ABB CMA122 / CMA 122 (3DDE300402)
1) Brand and Series Overview
Brand: ABB
Series: CMA Series – Control & Measurement Modules
The CMA series is a collection of industrial modules designed for precise signal acquisition, conditioning, and integration into automation systems. These modules are widely used in PLC cabinets, distributed I/O networks, machine control, and process monitoring systems where reliability and accuracy are critical.
The CMA122 represents an advanced module in the CMA lineup, offering enhanced functionality for mixed analog and digital signal processing, improved signal conditioning, and compatibility with various industrial control systems.
2) Product Overview
The ABB CMA122 (3DDE300402) is a hybrid analog/digital measurement and control module. It is engineered to acquire, filter, and process signals from sensors, switches, and transducers, and relay them to programmable logic controllers (PLCs) or distributed automation systems. This module is particularly suitable for systems requiring reliable real-time signal acquisition with minimal noise interference.
Its compact and modular design allows installation in tight control cabinet spaces while ensuring long-term industrial durability.
3) Technical Parameters
| Parameter | Specification |
|---|---|
| Model | CMA122 / CMA 122 (3DDE300402) |
| Product Type | Mixed Analog/Digital Measurement Module |
| Series | CMA Series |
| Input Signals | Analog (Voltage/Current) and Digital |
| Output Signals | Conditioned Analog and Digital Outputs |
| Power Supply | 24 V DC |
| Power Consumption | ≤ 6.5 W |
| Communication | PLC Interface / Control Bus Compatible |
| Mounting | DIN Rail (35 mm) or Panel Mount |
| Operating Temperature | −20 °C to +60 °C |
| Storage Temperature | −40 °C to +85 °C |
| Relative Humidity | 5–95 % non‑condensing |
| Protection Rating | IP20 |
| Dimensions (H × W × D) | 130 × 50 × 105 mm |
| Weight (kg) | 0.90 kg |
| Housing Material | Flame‑retardant industrial polymer |
| Terminal Connection | Screw terminals |
4) Product Description
The CMA122 module is designed to collect and process both analog and digital signals in industrial automation environments. Its primary functions include:
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Signal Acquisition: Captures analog signals (4–20 mA, 0–10 V) from sensors and digital signals from switches.
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Signal Conditioning and Isolation: Provides filtering, scaling, and electrical isolation to maintain signal accuracy and reduce interference.
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Data Output: Supplies conditioned signals to PLCs or distributed I/O systems for precise control and monitoring.
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Compact and Modular Design: Easily integrates into standard DIN rail setups or panels with minimal space requirements.
This module is suited for industrial automation applications requiring reliable measurement, control, and signal transmission in harsh environments.
5) Key Advantages
• Mixed Signal Capability – Supports both analog and digital signals.
• Industrial Reliability – Operates under temperature and humidity extremes typical in factories.
• High Signal Integrity – Provides noise immunity and accurate signal conditioning.
• Compact Design – Suitable for space-constrained control cabinets.
• Modular Flexibility – Easily integrates with PLCs, SCADA, and distributed control systems.
• Low Power Consumption – Efficient design reduces energy usage.
• Ease of Installation – Compatible with DIN rail and panel mounts.
• Low Maintenance – Durable components for long operational life.
6) Typical Applications
• Acquisition of analog sensor data (temperature, pressure, level)
• Digital event monitoring (switches, alarms, limit sensors)
• Mixed analog/digital control in automated machines
• Environmental and energy parameter monitoring
• PLC and SCADA system integration
• Distributed I/O and industrial process automation
• Control of water/wastewater, HVAC, and utility systems
• Data acquisition in manufacturing or process plants
7) Five Related Models (CMA Series or Similar)
| Model | Function / Feature | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| CMA111 | Analog signal acquisition | 120 × 45 × 95 | 0.70 |
| CMA112 | Mixed analog/digital module | 120 × 45 × 100 | 0.75 |
| CMA121 | Enhanced mixed signal module | 130 × 50 × 105 | 0.88 |
| CMA123 | Digital I/O module | 130 × 50 × 105 | 0.92 |
| CMA124 | High-speed analog module | 135 × 50 × 110 | 0.95 |
8) Five Popular ABB Models (Industrial Portfolio)
| Model | Product Type | Primary Feature / Rating | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| ACS580-01-12A6-4 | Variable Frequency Drive | 5.5 kW | 358 × 152 × 203 | 6.5 |
| ACS880-01-017A-4 | Drive Inverter | 17 kW | 220 × 120 × 180 | 3.6 |
| Emax 2 E2.2 | Air Circuit Breaker | 1600 A | 371 × 210 × 268 | 8.2 |
| Tmax XT4N | Molded Case Circuit Breaker | 250 A | 140 × 105 × 160 | 2.1 |
| AF16-30-10 | Contactor | 16 A | 90 × 55 × 78 | 0.42 |
9) Frequently Asked Questions (FAQ)
Q1: What is the main function of the CMA122 module?
A1: It acquires, conditions, and transmits analog and digital signals to PLCs or control systems.
Q2: What input signals does CMA122 support?
A2: Both analog (4–20 mA, 0–10 V) and digital signals.
Q3: What is the required power supply?
A3: 24 V DC.
Q4: How is the module installed?
A4: On a standard DIN rail or panel mount.
Q5: What are the operating temperature limits?
A5: −20 °C to +60 °C.
Q6: Does CMA122 handle electrical noise effectively?
A6: Yes, it provides signal filtering and isolation.
Q7: What are the dimensions and weight?
A7: 130 × 50 × 105 mm and 0.90 kg.
Q8: Can it be integrated with SCADA systems?
A8: Yes, it is designed for compatibility with SCADA and PLC systems.
Q9: Is CMA122 energy-efficient?
A9: Yes, its power consumption is ≤ 6.5 W.
Q10: What industries commonly use CMA122?
A10: Manufacturing, process automation, utilities, HVAC, and water/wastewater systems.