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.
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 Supply | 90‑265 VAC, 50 Hz ± 2 Hz or 24 VDC ± 2 V |
|---|
| Operating Environment | Temperature 0‑50 °C, Relative humidity <85 %RH |
|---|
| Dimensions | Vertical 80×160×100 mm, Square 96×96×120 mm |
|---|
| Weight | 0.5 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.