HWP ND805 Intelligent Digital Display Regulator User Manual

HWP series intelligent regulator is developed based on the latest digital integration technology and the actual need of industrial automatic control in China. This series of instruments are widely used in chemical, petroleum, metallurgy, light industry, food, electricity, energy management, machinery manufacturing and other fields.


HWP ND805 Intelligent Digital Display Regulator User Manual - cover page
Brand
HWP系列智能数字显示调节器
Category
Automation control Equipment
Document type
User Manual
Language
Chinese
Pages
9
File format
PDF
File size
523 KB
Published
16 March, 2012
Updated
30 September, 2023
MD5 checksum
9D540315A32332877E68FBBFE4ABCF4B

About this manual

The HWP ND805 is an intelligent digital display regulator designed for industrial process control. It provides automatic/manual disturbance‑free switching, multiple input signal types, and configurable PID control.

The manual includes a product overview, functional description, technical specifications, panel layout, menu operation, wiring diagrams, and fault code explanations to help users install, operate, and maintain the device. This manual is written in Chinese.

What's inside

  • Overview
  • Main Features
  • Technical Specifications
  • Selection Table
  • Panel Description
  • Function Menu Operation
  • Terminal Wiring Diagram
  • Fault Codes and Meaning

Specifications

Accuracy±0.5%FS±1 digit or ±0.2%FS±1 digit, 20‑line bar‑graph ±5%FS
Power Supply90‑265 VAC, 50 Hz ± 2 Hz or 24 VDC ± 2 V
Operating EnvironmentTemperature 0‑50 °C, Relative humidity <85 %RH
DimensionsVertical 80×160×100 mm, Square 96×96×120 mm
Weight0.5 kg

Frequently asked questions

How do I switch between manual and automatic mode?

Press the A/M key; the manual mode is indicated by a red MANU light and the automatic mode by a green AUTO light.

What power supply ranges does the regulator accept?

It can be powered from 90‑265 VAC at 50 Hz ± 2 Hz or from a 24 VDC source with ±2 V tolerance.

How is thermocouple compensation calibrated?

Short the thermocouple input terminals, observe the displayed temperature, and adjust the compensation coefficient until the reading matches ambient temperature.

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