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- 135 × 50 × 110 mm
- 0.97kg
- 3DDE300405/3DDE 300 405
- Xiamen, China
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Product Technical Profile – ABB CMA125 / CMA 125 (3DDE300405)
1) Brand and Series Overview
Brand: ABB
Series: CMA Series – Control & Measurement Modules
The CMA series is a range of compact, modular modules for signal acquisition, control, and measurement in industrial automation systems. The series supports both analog and digital inputs and outputs, designed for distributed control systems, PLC cabinets, SCADA integration, and machinery automation.
The CMA125 is a digital I/O module with enhanced processing speed and improved signal handling, ideal for high-demand industrial automation scenarios.
2) Product Overview
The ABB CMA125 (3DDE300405) is a high-speed digital interface module designed to acquire, process, and output discrete signals efficiently in industrial control applications. It is suitable for fast machine control, process automation, and distributed I/O architectures.
It integrates seamlessly into PLC systems and SCADA networks, providing precise digital signal acquisition and output while maintaining robust performance in harsh industrial environments.
3) Technical Parameters
| Parameter | Specification |
|---|---|
| Model | CMA125 / CMA 125 (3DDE300405) |
| 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) | 0.97 kg |
| Housing Material | Flame-retardant industrial polymer |
4) Product Description
The CMA125 module provides reliable and high-speed digital I/O handling for industrial automation. It captures fast signals from sensors, switches, and other digital devices, processes them, and outputs signals to relays, actuators, alarms, or other controlled devices.
Its industrial-grade design ensures stable operation under vibration, electrical noise, and wide temperature ranges. The module is ideal for distributed control, safety interlock systems, and machine automation applications where quick response times are critical.
5) Key Advantages
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High-Speed Operation: Rapid processing for time-critical digital signals.
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Robust Industrial Design: Tolerates electrical noise, vibration, and temperature extremes.
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Modular Form Factor: Compact design fits into DIN rail or panel-mounted systems.
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Signal Conditioning: Protects against false triggering from electrical interference.
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Easy Integration: Compatible with PLCs and distributed control systems.
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Maintenance Friendly: Clearly labeled screw terminals for fast installation and service.
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Energy Efficient: Low power consumption ≤ 8 W.
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Wide Operating Conditions: Operates in harsh environments with varying humidity and temperature.
6) Typical Applications
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Fast discrete signal acquisition for automation machinery
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Digital monitoring and control of conveyor and production lines
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Distributed I/O modules in PLC panels
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Safety interlock systems and emergency stop monitoring
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Remote monitoring and control in SCADA systems
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Actuator and relay control
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Industrial process digital signal processing
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Event alarm and status indication
7) Five Related Models (CMA Series)
| Model | Function / Feature | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| CMA121 | Mixed signal I/O module | 130 × 50 × 105 | 0.88 |
| CMA122 | Analog/Digital measurement | 130 × 50 × 105 | 0.90 |
| CMA123 | Digital I/O module | 130 × 50 × 105 | 0.94 |
| CMA124 | High-speed digital I/O | 135 × 50 × 110 | 0.95 |
| CMA125 | Enhanced high-speed digital I/O | 135 × 50 × 110 | 0.97 |
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 purpose of CMA125?
A1: To acquire high-speed digital input signals and control outputs in industrial automation systems.
Q2: How many channels does it have?
A2: 16 digital input channels and 16 digital output channels.
Q3: What voltage is required for operation?
A3: 24 V DC.
Q4: Can the CMA125 be DIN rail mounted?
A4: Yes, it supports standard 35 mm DIN rail and panel mounting.
Q5: Where is it typically used?
A5: Automation machinery, distributed PLC panels, SCADA systems, and safety interlocks.
Q6: Is it resistant to electrical interference?
A6: Yes, it includes signal conditioning to prevent false triggering.
Q7: What is its operating temperature range?
A7: -20 °C to +60 °C.
Q8: What are the module’s dimensions and weight?
A8: 135 × 50 × 110 mm; 0.97 kg.
Q9: How is wiring handled?
A9: Through clearly labeled screw terminals.
Q10: What is the main advantage of CMA125?
A10: High-speed, reliable digital I/O handling for demanding industrial automation applications.