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- CMA124/CMA 124
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- Sweden
- 135 × 50 × 110 mm
- 0.95kg
- 3DDE300404/3DDE 300 404
- Xiamen, China
- New & In Stock
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Product Technical Profile – ABB CMA124 / CMA 124 (3DDE300404)
1) Brand and Series Overview
Brand: ABB
Series: CMA Series – Control & Measurement Modules
The CMA series encompasses compact and versatile modules for signal acquisition, conditioning, and control in industrial automation systems. These modules are widely used in distributed control panels, PLC cabinets, SCADA systems, and machine automation applications, providing reliable handling of analog and digital signals.
The CMA124 is a high-speed digital interface module in this series, designed to manage discrete input and output signals efficiently while offering robust noise immunity and modular integration into control systems.
2) Product Overview
The ABB CMA124 (3DDE300404) is an industrial digital I/O module specialized for high-speed discrete signal acquisition and output control. It is engineered for demanding automation environments where fast, reliable digital processing is critical, such as production lines, safety interlock systems, and distributed PLC networks.
This module supports multiple digital inputs and outputs, ensuring accurate signal transmission with low latency. Its industrial-grade design guarantees resistance to electrical noise, vibrations, and temperature variations.
3) Technical Parameters
| Parameter | Specification |
|---|---|
| Model | CMA124 / CMA 124 (3DDE300404) |
| Product Type | High-Speed Digital I/O Module |
| Series | CMA Control & Measurement Modules |
| Digital Inputs | 16 discrete channels |
| Digital Outputs | 16 discrete channels |
| Input Voltage | 24 V DC |
| Power Consumption | ≤ 8 W |
| Communication | PLC Interface / Control Bus |
| Mounting | DIN Rail (35 mm) / 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 |
| Terminal Connection | Screw terminals |
| Dimensions (H × W × D) | 135 × 50 × 110 mm |
| Weight (kg) | 0.95 kg |
| Housing Material | Flame-retardant industrial polymer |
4) Product Description
The CMA124 module provides high-speed digital input and output functionality for industrial automation. It captures fast discrete input signals from sensors, switches, or other digital devices and outputs processed signals to alarms, relays, actuators, or other controlled devices.
Signal conditioning ensures reliable detection of digital events, even in electrically noisy environments. The module integrates easily with PLCs and SCADA systems, supporting distributed control panel designs and machine automation where rapid response is required.
5) Key Advantages
• High-Speed Digital Processing: Ensures fast acquisition and output of discrete signals.
• Industrial Reliability: Designed to withstand vibration, electrical noise, and environmental extremes.
• Modular Design: Compact form factor suitable for DIN rail mounting in dense panels.
• Noise Immunity: Signal conditioning prevents false triggering from electrical interference.
• Easy Integration: Compatible with a variety of PLCs and control systems.
• Maintenance-Friendly: Clear terminal labeling and accessible screw terminals simplify installation.
• Low Power Consumption: ≤ 8 W, minimizing energy use in control panels.
• Wide Operating Range: Can operate in harsh industrial environments with varying temperature and humidity.
6) Typical Applications
• Fast digital signal acquisition for automation machinery
• Monitoring and controlling conveyor systems
• Distributed I/O panels in PLC cabinets
• Safety interlock and emergency stop systems
• Digital alarm and event signaling
• Remote monitoring in SCADA networks
• Actuator control and relay driving
• Industrial process control requiring rapid discrete signal processing
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 | Mixed signal control module | 130 × 50 × 105 | 0.88 |
| CMA122 | Mixed analog/digital measurement | 130 × 50 × 105 | 0.90 |
| CMA123 | Digital I/O module | 130 × 50 × 105 | 0.94 |
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 CMA124?
A1: To acquire high-speed digital input signals and provide fast digital output control in industrial systems.
Q2: How many digital channels does the CMA124 support?
A2: 16 input channels and 16 output channels.
Q3: What is the operating voltage for this module?
A3: 24 V DC.
Q4: Can CMA124 be mounted on DIN rails?
A4: Yes, it supports 35 mm DIN rail and panel mounting.
Q5: What are the typical applications?
A5: Automation machinery, safety interlocks, SCADA monitoring, and distributed PLC I/O.
Q6: Is it resistant to electrical noise?
A6: Yes, the module includes signal conditioning for noise immunity.
Q7: What is the module’s operating temperature range?
A7: -20 °C to +60 °C.
Q8: What are the module dimensions and weight?
A8: 135 × 50 × 110 mm; 0.95 kg.
Q9: How is wiring handled?
A9: Through clearly labeled screw terminals.
Q10: What is the key advantage of CMA124?
A10: High-speed, reliable digital I/O acquisition and output for industrial automation applications.