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General| Model | SDM72DM |
|---|---|
| Category | Measuring Instruments |
| Base Current (Ib) | 5A |
| Starting Current (Ist) | 0.004A |
| Accuracy Class | 1.0 |
| Display | LCD |
| Communication | RS485 |
| Protocol | Modbus RTU |
| Mounting | DIN Rail |
| Impulse Voltage | 4kV |
| Operating Temperature | -25°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Weight | 0.3 kg |
| Phase | Single Phase |
| Current Range | 0-100A |
| Frequency | 50/60Hz |
Provides an overview of the SDM72D-M digital three-phase energy meter, its features, and connectivity.
Covers voltage, current, frequency, power, and accuracy ratings for the meter.
Details accuracy and resolution for various electrical measurements like voltage, current, and power.
Explains the RS485 serial port and Modbus RTU protocol for remote monitoring and control.
Describes the passive pulse output for active kWh, including pulse constants and widths.
Details operating temperature, humidity, altitude, and installation category.
Explains the meter's initialization process and how measurements are displayed on the LCD.
Describes the functions of the two buttons on the front panel for navigation and confirmation.
Details how to use the scroll button to view different measured values like total energy, import/export energy.
Guides users on entering and navigating the meter's setup mode for configuration.
Illustrates the internal wiring and external connection points for the energy meter.
Provides instructions and diagrams for installing the meter on a 35mm DIN rail.
Lists and describes the Modbus input registers for reading electrical measurements from the meter.
Details the Modbus holding registers used for configuring and storing instrument settings.
