This user manual covers the front panel operation, value setup, programming mode, and configuration options for the Carlo Gavazzi EM21 72V 3-phase energy meter.
The Carlo Gavazzi EM21 72V is a 3-phase energy meter designed for use with current sensors. The device features a front panel with two keys for navigating measurement and information pages, as well as accessing the programming mode. A red LED indicates active imported energy consumption, while a hazard triangle indicator displays a wrong phase sequence.
| Phase Type | 3-phase |
|---|---|
| Password Default | 0 |
| CT Ratio Range | 10 to 9999 |
| VT Ratio Range | 1.0 to 999 |
| Pulse Weight Range | 0.001 to 9.99 kWh |
| Serial Address Range | 1 to 247 |
Hold button 2 pressed for at least 3 seconds.
The default password is 0.
Hold button 2 pressed until the mark of letter C disappears.
It displays a wrong phase sequence (L2-L1-L3, L1-L3-L2).