Distributed Power Access Unit / Protocol Conversion Unit
Protocol conversion, data collection, and remote control enable centralized monitoring and optimized operation of distributed energy resources.
Product Description
The Distributed Power Access Unit is designed in accordance with the unified standards of State Grid and China Southern Power Grid. It features core functions such as data collection, protocol conversion, and power control, supports multiple communication protocols and interface standards, and can accommodate up to three distributed power sources. It enables “observability, measurability, controllability, and adjustability” of distributed power sources, making it a key device supporting the construction of new power systems.
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Product Advantages
Reliable Communication
● Supports HPLC / HPLC+HRF dual-mode communication, RS485 communication, and Bluetooth communication
Protocol Conversion
● Protocol auto-adaptation, supporting inverter protocols from hundreds of mainstream photovoltaic inverter manufacturers including Ginlong, Growatt, Goodwe, Huawei, and Sungrow
Data Transmission
● Communication with collection terminals, energy meters, PV inverters, circuit breakers, energy storage systems, and charging piles; supports proxy
Data Collection
● AC analog quantity acquisition, inverter data acquisition, charging pile monitoring, circuit breaker detection, and energy storage data acquisition
Control Function
● Supports flexible regulation modes including value control, ratio control, and time-segment control
One-to-Many Meter Reading
● Supports connection of up to 3 inverters with seamless switching between two master stations
Other functions
Downlink monitoring, communication relay, security encryption, positioning, initialization, and upgrade
Distributed Power Access Unit / Protocol Conversion Unit
DFDL33-HX3320
DFDL33-HX3320
| Technical SpecificationstSpecifications/RequirementsrnOperating VoltagetAC220V Allowable deviation -20% to +50%rnOperating Frequencyt50Hz Allowable deviation -6% to +2%rnOperating Power ConsumptiontNon-communication state Apparent power ≤5VA Active power ≤2WrnUplink CommunicationtSupports HPLC/HPLC dual-mode communication Uses pluggable modulernUplink Communication ProtocoltSupports DL/T698.45 and extended protocolsrnDownlink Communicationt2 RJ45 ports 2 RS485 ports 1 Bluetooth portrnSingle-Phase Voltage SamplingtVoltage measurement accuracy: 1.0%rnClock AccuracytDaily timing error absolute value ≤0.5s/drnReliability IndicatorstMean Time Between Failures (MTBF) ≥8.76×10⁴h |