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General| Type | Digital Panel Meter |
|---|---|
| Rated Current | 5A |
| Frequency | 45-65 Hz |
| Display | LED |
| Power Supply | 85-253V AC/DC |
| Digital Inputs | 2 |
| Digital Outputs | 2 |
| Analog Outputs | 1 |
| Communication Interface | RS-485 Modbus RTU |
| Operating Temperature | -10 to 55°C |
| Protection Degree | IP65 (front) |
Details the specifications of current inputs and how voltage inputs are converted via transformers.
Illustrates connection methods for single-phase, 3-phase 3-wire, and 3-phase 4-wire networks.
Describes the ND20 meter's front panel layout, identifying buttons and display fields for operation.
Explains initial meter messages and how to monitor parameters using buttons.
Details the meter's various operating modes, including test, measuring, and programming.
Guides users through setting various meter parameters like measurement, output, and alarm configurations.
Covers THD/harmonic configuration and the active power profile archive functionality.
Examples of reading and writing registers, and identifying the device via RS-485 communication.
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