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Application Scenarios:
In a typical industrial scenario, the 22A-D8P7N104 would be installed in a control cabinet to manage a cooling tower fan motor. The drive receives a 4-20 mA analog signal from a temperature controller (or a preset speed via its keypad) and adjusts the fan speed accordingly. This allows the system to maintain a set process temperature while significantly reducing energy consumption compared to running the fan at full speed continuously. Its built-in PID controller can also be configured to automatically adjust speed based on feedback, making it ideal for such HVAC and simple process control tasks.
Parameter:
| Parameter Category | Specification Details |
|---|---|
| Product Model | 22A-D8P7N104 |
| Series | PowerFlex 4 AC Drive |
| Rated Power | 3.7 kW (5 HP) |
| Input Voltage | 380–480 V AC, 3-Phase, 50/60 Hz |
| Output Current | 8.7 A Continuous |
| Control Method | V/Hz (Scalar Control) |
| Enclosure | IP20 (Open Type), Panel Mount |
| Frame Size | B |
| Keypad | Fixed Digital Keypad with LED Display |
| Communication | Integrated RS-485 Port |
| I/O Configuration | Digital Inputs: 3 Fixed + 2 Programmable Analog Inputs: 2 (0-10V / 4-20mA) Relay Output: 1 Programmable |
| Overload Capacity | 150% for 60 seconds |
| Operating Temp. | 0°C to +50°C (derating above 40°C) |
| Dimensions (HxWxD) | ~180x100x136 mm (Frame B) |
Technical Principles and Innovative Values:
- Innovation Point 1: Space-Optimized Design: The 22A-D8P7N104 exemplifies the PowerFlex 4 series’ core philosophy of high power density in a minimal footprint. Its Frame Size B design is significantly smaller than many contemporary drives of similar power rating (3.7kW), allowing engineers to fit more control devices into a standard panel, which is crucial for OEM machinery builders aiming to minimize cabinet size and cost.
- Innovation Point 2: Simplified User Experience: Despite its compact size, it features a full-featured integrated keypad with a clear LED display. The menu structure is designed for simplicity, enabling electricians to perform basic setup (e.g., motor parameters, acceleration/deceleration times, and fault diagnostics) without requiring advanced software tools, reducing commissioning time and training overhead.
- Innovation Point 3: Robust Protection Suite: The drive incorporates comprehensive hardware and software protection mechanisms, including overcurrent, overvoltage, undervoltage, and motor overload protection. This “set-and-forget” reliability is vital for unattended operation in applications like remote pump stations, where the drive must autonomously protect itself and the motor from electrical faults.
