Dahua DH1790-5 Programmable Constant Power DC Power Supply User Manual

This manual covers safety, installation, operation, remote control commands, and specifications for the Dahua DH1790-5 programmable constant power DC power…


Dahua DH1790-5 Programmable Constant Power DC Power Supply User Manual - cover page
Brand
Dahua
Category
Power Management
Document type
User Manual
Language
Chinese
Pages
24
File format
PDF
File size
663 KB
Published
22 October, 2026
Updated
22 October, 2026
MD5 checksum
ED269A89942A8DDD4713E931F38F8524

About this manual

The Dahua DH1790-5 is a high-precision, 3U rack-mountable programmable DC power supply featuring both Constant Voltage (CV) and Constant Current (CC) modes. It includes an OLED display for real-time monitoring of preset and actual values, along with features such as active PFC, intelligent temperature control, and support for voltage compensation.

The document provides comprehensive instructions on safety precautions, unpacking and installation checks, initial power-on verification, and detailed operational procedures including menu navigation and output settings. It also details the RS232/LAN remote control interface, providing specific command sets for setting parameters and reading back status data. This manual is written in Chinese.

What's inside

  • Safety Precautions
  • Unpacking and Installation
  • Product Inspection
  • Specifications
  • Front Panel Introduction
  • Basic Operation
  • Usage Instructions
  • Remote Control Setup
  • Command Set

Specifications

Output Voltage Range0~36V adjustable
Output Current Range0~30A adjustable
Maximum Output Power0~360W Constant Power
Voltage Resolution (Set)1mV
Operating Temperature0~40℃ Full Power
Storage Temperature-20~70℃
Input VoltageAC220V±10% or AC110V±10%
Physical Dimensions350×71×124mm (D×W×H)
WeightApprox. 3kg

Frequently asked questions

What is the output voltage range of the DH1790-5?

The output voltage ranges from 0 to 36V and is adjustable.

Does this power supply support remote control?

Yes, it supports both local and remote control modes via RS232 or LAN interfaces.

What are the protection features included?

The unit includes input under-voltage, output over-voltage, output over-current, and over-temperature protections.

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