Application Scope
DC Power Distribution Unit | The BL-GZDW-2/3/4 models are specifically designed for users with various capacities. The system is configured with monitoring modules, rectifier modules, AC/DC monitoring modules, insulation monitoring modules, battery inspection modules, switch quantity monitoring modules, voltage reduction modules, distribution units, batteries, and cabinets, featuring simple operation, intelligent management, and energy-saving capabilities.
Suitable for all industries, it can be used as the operating and control power supply for high-voltage switches, relay protection, and automatic devices.
System Features
BL-GZDW-2：
1) Dual power input with automatic switching to ensure system continuous operation;
2) Wide input voltage range and strong grid adaptability.
3) Equipped with BL-JK02B monitoring, featuring a liquid crystal display, Chinese menu, user-friendly interface, and simple, convenient button operations.
4) Features comprehensive system settings, operation information inquiries, and various alert functions.
5) Intelligent battery charging and discharging management, with a comprehensive and reliable temperature compensation function.
6) Expandable battery test for a set of 110 batteries, insulation test for 30 circuits, and switch quantity test for 32 circuits.
7) The system employs multi-level password authorization management, restricting unauthorized personnel from operation, ensuring the secure and reliable operation of the system.
8) Equipped with built-in RS232 and RS485 communication interfaces, the system can be remotely monitored and controlled through both backend and remote monitoring, enabling the four remote functions of "remote measurement, remote control, remote signaling, and remote adjustment," thereby achieving unattended operation.
9) Supports RTU, CDT, and MODBUS communication protocols.
BL-GZDW-3：
1) Dual power input auto-switching ensures system continuous operation.
2) Wide input voltage range, strong grid adaptability.
3) Equipped with BL-JK03 monitoring, 5.7-inch touch screen display, with Chinese language and user-friendly interface, touch screen operation;
4) Comprehensive system settings, operation information queries, and various alert functions.
5) Intelligent battery charging and discharging management, comprehensive and reliable temperature compensation feature;
6) Rectifier modules feature hot-pluggable with electrical connection for easy and quick daily maintenance.
7) Expandable battery testing for 2 sets of 110 cells, insulation testing for 240 lines, and switch quantity testing for 160 lines; compatible with communication power module, inverter power module, and DC conversion module.
8) The system employs multi-level password permission management to restrict unauthorized personnel's operations, ensuring the system runs safely and reliably.
9) Equipped with both RS232 and RS485 communication interfaces, the system can be monitored and controlled remotely via backend and long-distance monitoring, enabling "remote measurement, remote control, remote signaling, and remote adjustment" (Four Remote Functions), thus achieving unattended operation.
10) Supports RTU, CDT, and MODBUS communication protocols.
BL-GZDW-4：
1) Dual power input automatically switches to ensure system operation.
2) Wide input voltage range and strong grid adaptability.
3) Equipped with BL-JK04 monitoring, a brand new configuration software, a 7-inch (10.4-inch) color LCD display, touch screen operation, 32-bit true-color display, fast refresh rate, intuitive and user-friendly design, capable of long-term operation in a constantly lit state; complete human voice alarm system.
4) Comprehensive system settings, operation information inquiries, and various alert functions.
5) Intelligent battery charging and discharging management, with a comprehensive and reliable temperature compensation feature.
6) Rectifier modules feature hot-pluggable with electric heating, facilitating quick and convenient daily maintenance.
7)可控整流模块 up to 26 units; expandable AC/DC detection for 2 units, insulation detection for 240 channels, battery detection for 2 sets of 110 cells, and switch quantity detection for 160 channels; compatible with inverter power module and DC conversion module.
8) 32MB of massive storage, with a built-in USB port and a multi-functional printing output system.
9) The system employs multi-level password permission management to restrict unauthorized personnel's operations, ensuring the secure and reliable operation of the system.
10) Equipped with built-in RS232, RS485, and Ethernet communication interfaces, the system can be remotely monitored and controlled via back-end and remote monitoring, implementing the "remote measurement, remote control, remote signal, and remote adjustment" four remote functions for unattended operation.
11) Supports RTU, CDT, MODBUS, IEC communication protocols selection.
12) Customizable system functions, display graphics, and additional GPS text message alarm feature according to customer requirements.
Technical Specifications

Operating Environment
Elevation: Not exceeding 2000m
2) Environmental Temperature: -10℃ to +40℃
3) Relative Humidity: ≤90% (at 25℃)
4) Seismic Intensity: Not exceeding 8 degrees
5) Equipment is to be operated indoors only with good ventilation.
6) The interior should be free of corrosive metals and harmful gases that can damage insulation.
7) Vertical Inclination: Not exceeding 5°
8 Microcontroller Noise Resistance: 1000V pulse for 1μs, 1 minute duration
9) No interference from strong electromagnetic fields and severe vibration.