Overview
It accurately measures voltage, current, and frequency signals for generator performance and protection.
Moreover, the card integrates seamlessly with ABB PLCs, DCS, and power management systems.
Therefore, operators achieve improved system reliability and enhanced operational safety.
Constructed with industrial-grade components, the CMA125 withstands harsh environments and electrical interference.
In addition, its modular design simplifies installation, reducing setup time and maintenance requirements.
Specification
| Specification | Description |
|---|---|
| Product Model | ABB CMA125 |
| Module Type | Generator Card (Analog Input / Generator Monitoring) |
| Order Number | 3DDE300405 |
| Function | Monitors voltage, current, frequency, and generator status signals |
| Input Channels | Multiple analog input channels for comprehensive generator monitoring |
| Input Signal Range | Voltage: 0–300 V AC/DC; Current: 0–5 A AC; Frequency: 0–400 Hz |
| Measurement Accuracy | ±0.1% for voltage/current; ±0.05 Hz for frequency |
| Resolution | 16-bit ADC for high-precision signal measurement |
| Sampling Rate | 1 kHz per channel for real-time monitoring |
| Signal Types Supported | AC/DC voltage, AC current, frequency, optional resistive inputs |
| System Compatibility | ABB PLCs, DCS, SCADA, and industrial automation platforms |
| Electrical Isolation | Channel-to-channel: 1000 V; Channel-to-system: 1500 V |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% RH, non-condensing |
| Electrical Protection | Overvoltage, overcurrent, and short-circuit protection |
| Mounting | Standard ABB control rack / backplane slot |
| Standards Compliance | IEC 61131-2, ABB internal safety and performance standards |
| Maintenance Feature | Hot-swappable card with plug-and-play installation |
| Diagnostics | Supports self-check diagnostics and alarm reporting |
FAQ
A1: It monitors voltage, current, frequency, and generator status signals in industrial systems.
Q2: Which systems are compatible with this card?
A2: ABB PLCs, DCS, SCADA, and other industrial automation platforms.
Q3: Can it operate under harsh industrial conditions?
A3: Yes, it tolerates vibration, temperature variation, and electrical interference.
Q4: Does the CMA125 support predictive maintenance?
A4: Yes, its precise measurements enable early detection of generator anomalies.
Q5: Is installation complex for this card?
A5: No, it is hot-swappable and fits standard ABB control racks for easy integration.
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Contact: Manski Wong +86 18030205725 manski@cambia.cn
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