This product has a high degree of automation. For routine operations, it doesn't require extensive technical knowledge from the staff on duty. Operation can be performed by following this user manual.

Application Environment

2.1 Altitude not exceeding 2,000 meters.

2.2 Environmental Temperature: -10 to +50℃.

2.3 Average relative humidity not exceeding 95%, monthly average relative humidity not exceeding 90%.

2.4 Free from severe vibration and impact, and free from strong electromagnetic field interference.

2.5 No serious dust, explosive hazardous medium, corrosive metals, harmful gases that damage insulation, conductive particles, or severe mold is present around the 2.5.

2.6 Vertical inclination not exceeding 5 degrees.

III. Technical Specifications

3.1 Three-phase AC input voltage: 380V (±15%, -10%), frequency: 50 Hz ±0.5.

3.2 Control busbar DC output voltage: 220V / 24V / 48V / 110V

3.3 Rated DC output current of control bus: 40A.

3.4 The rated capacity of the maintenance-free, fully-sealed lead-acid battery applies to: 40AH-500AH (in this case, 120AH).

3.5 Control bus voltage stability ≤ ±0.2%.

Shanghai Ren Regular DC Screen Overview:

The GZDW(ZR) DC Power Cabinet is a new generation of unattended DC power product developed by Shanghai Zhiren Automation Technology, incorporating advanced high-frequency switching power supplies and our company's system software. All its components are selected for high reliability. Compared to traditional DC screens, it features a 7.4-inch industrial-grade color touch screen for display and operation, with a protection level of IP32, enabling intuitive operation through man-machine dialogue; its monitoring unit is equipped with a high-speed, high-performance SCU, which performs real-time scanning of all components of the DC screen for comprehensive monitoring and closed-loop control; its power output unit is configured with high-frequency switching power supplies and redundant settings, reliably converting AC power into high-quality DC power.

Our core products and technical advantages:

The DC screen modules from Shanghai Ren Company utilize the following technologies:

Resonant Voltage-Controlled Power Converter - Full-Scope Soft-Switching Power Conversion Technology

Soft-switched resonant DC-AC inverter circuit technology

Resonant Voltage-Controlled Power Converter Technology

Active Power Factor Correction Step-Up Transformer Technology

10 years of technical accumulation, dedicated to providing you with more professional and comprehensive DC screen technical services.

This product is highly automated, requiring minimal specialized knowledge from the operator for routine operations. Following the instructions in this user manual is sufficient for operation.

Operating Environment

2.1 Altitude not exceeding 2,000 meters.

2.2 Environmental Temperature: -10～+50℃

2.3 The average relative humidity on the 2nd and 3rd days does not exceed 95%, and the monthly average relative humidity does not exceed 90%.

2.4 No strong vibration or impact, no strong electromagnetic field interference.

2.5 Free from serious dust, explosive hazardous substances, corrosive metals, and harmful gases that damage insulation, conductive particles, and severe mold.

2.6 Vertical inclination not exceeding 5 degrees.

III. Technical Specifications

3.1 Three-phase AC input voltage: 380V (±15%, -10%), frequency: 50 Hz ±0.5.

3.2 DC Output Voltage of Control Busbar: 220V / 24V / 48V / 110V

3.3 Rated Direct Current Output Current of Busbar: 40A.

3.4 The rated capacity for the maintenance-free, fully-sealed lead-acid batteries applies to: 40AH-500AH (in this case, 120AH).

3.5 Bus voltage stability: ≤±0.2%

3.6 Bus voltage ripple coefficient ≤ ±0.1%.

3.7 Constant Current Accuracy ≤ ±0.5%.

3.8 Closing bus voltage ≤ 15%, 10%.

3.9 Maximum Output Current (A): 1.2IN

3.10 Efficiency ≥ 90%.

3.11 Power Factor > 0.90

3.12 Response Time: 0.2ms.

3.13 Total Noise ≤50dB

3.14 Flow Distribution Method: Automatic Flow Distribution.

3.15 Harmonics: No interference.

3.16 High-Voltage Surge at Input End: Level 4 Lightning Protection.