Inverter Id; Insulation - Delta RPI M80U Operation And Installation Manual

4.2.7.1 Inverter ID

Inverter ID is used in RS-485 communication, for PC recognizing the inverter.
If users connect several inverters together via RS-485, each inverter must have
different ID.
►
Inverter ID: 002

Insulation

Grid Code
Grid Settings
4.2.7.2 Insulation
Before connecting to grid, inverter will measure the impedance between the PV
array and PE first. M80U models provide 4 types of impedance measurement
methods (ON, Plus Grounded, Minus Grounded, and OFF) and 2 impedance
limits. Installer must select the appropriate method based on PV array's wiring.
►
Mode: ON
Resistance: 100kΩ
ENT
EXIT
Figure 4-10 : Inverter ID page
ENT
EXIT
Figure 4-11 : Insulation page
43
Setting ID:
ID = 002
►
ON
Plus Grounded
Minus Grounded
OFF
Commissioning