SolarEdge SE27.6K - Status Screens - Operational Mode; Initial Status Screen Details; P_OK and S_OK Status Explanations; Main Inverter Status Screen

Hardware IDs: Displays the following HW serial numbers (if exist, and
connected to the inverter):
ID: the inverter's ID
RGM1 (Revenue Grade Meter): Energy Meter with ModbusConnection
RGM2: A second external Energy Meter with ModbusConnection
ZB: ZigBee MAC address
Cell: MEID (CDMA) or IMEI (GSM)
WiFi: Wi-Fi MAC address
-Three Phase System Installation Guide MAN-01-00057-4.1
56 Configuration Menu Options