Model: FR-DCMG-MMPU
Manufacturer: Fonrich
Description: PV1500V String Box Monitoring
User Manual: FR-DCMG-MMPx_EN_20250715
The combiner box monitoring system provides monitoring and management for each device in a solar power generation system. It can monitor the status of surge protectors and circuit breakers without an external power supply. The system supports RS485 communication, DC arc fault detection, and shunt trip functionality.
Combiner Box Monitoring Main Controller Specifications
| Specification | FR-DCMG-MKPD | FR-DCMG-MMPU | FR-DCMG-MMPP | FR-DCMG-MMPQ | FR-DCMG-MMPS |
|---|---|---|---|---|---|
| PV System Voltage | ≤1000Vdc | ≤1500Vdc | ≤1500Vdc | ≤1700Vdc | ≤1500Vdc |
| Power Supply | Busbar | Busbar | Busbar | Busbar | 24Vdc |
| Communication | RS485 | RS485 | RS485 | RS485 | RS485 |
| Max. Measurement Channels | 24 | 24 | 24 | 24 | 24 |
| Switch State Monitoring | 2 | 4 | 4 | 4 | 4 |
| Temperature Sensor | 1 | 2 | 2 | 2 | 2 |
Combiner Box Monitoring Sensor Specifications
| Specification | FR-DCMG-HS4A | FR-DCMG-AS4A | FR-DCMG-HS4P | FR-DCMG-HS4Q | FR-DCMG-HS4R |
|---|---|---|---|---|---|
| Current Measurement Range | -20～+20Adc | -25～+25Adc | -30～+30Adc | -40～+40Adc | -60～+60Adc |
| Arc Detection Range | – | -25～+25Adc | – | – | – |
Similar: FR-DCMG series; FR-DCMG-MKPD; FR-DCMG-HS4A; FR-DCMG-AS4A
