Power Supply
| HV AC input | 24–240 VAC, single phase |
|---|
| HV DC input | 24–375 VDC |
|---|
| LV input | USB-C, 5 VDC, up to 3 A |
|---|
| Maximum system power | 15 W |
|---|
| Input isolation | Isolated power input |
|---|
Backup Power
| Battery | Integrated backup battery |
|---|
| Charging | Integrated charger |
|---|
| Autonomy | Up to 3 days under the standard operating profile |
|---|
Actual runtime varies with cellular activity,
signal conditions, polling rate, connected devices and
operating configuration.
Compute
| MCU | STM32, Arm Cortex-M33 |
|---|
| Edge software | ESUMEI OS |
|---|
| Firmware updates | Signed, over-the-air |
|---|
Local Data Buffering
| Buffering | Persistent local store-and-forward buffering |
|---|
| Retention | Up to 14 days for 10 connected meters under the standard acquisition profile |
|---|
| Behavior | The controller continues collecting supported meter data during communications interruptions and automatically resumes transmission when connectivity is restored. |
|---|
Retention varies with device count, polling
interval, payload size and configured data profile.
Wired Communications
| Field bus | RS-485 |
|---|
| Protocol | Modbus RTU |
|---|
| Isolation | Galvanic / port isolation |
|---|
Cellular Communications
| Technology | 4G LTE Cat-1bis |
|---|
| Fallback | 2G |
|---|
| SIM | Dual SIM |
|---|
| Antenna | External SMA |
|---|
Mechanical / Environmental
| Mounting | DIN-rail / panel |
|---|
| Operating temperature | −20°C to +70°C |
|---|
| Enclosure protection | IP54 / IP65 |
|---|
Security / Firmware
| Transmission | TLS-encrypted |
|---|
| Connection model | Outbound-only |
|---|
| Firmware updates | Signed, rollback-protected, over-the-air |
|---|
Compatible Devices & Expandability
| Multifunction meters | Schneider METSEPM5110, Eastron SDM630MCT, Selec MFM384, Selec MFM384+ |
|---|
Additional device integrations are available
following technical review. Unlisted devices, drivers,
protocols, schemas or platform connectors may require an
accepted quotation, change request or statement of work.
