User manual for the HS888-2 controller by Suzhou Xinya Technology, covering functions, wiring, and configuration settings.
The HS888-2 controller is designed for bipolar direct‑through proportional valves. It provides a switch‑valve signal input, a dedicated motor module, and a range of configuration options for precise valve control.
The manual details power requirements, environmental limits, wiring diagrams, and step‑by‑step procedures for setting valve opening, maximum steps, delay times, and other parameters, ensuring correct installation and operation. This manual is written in Chinese.
| Power supply voltage | AC 220V±10% |
|---|---|
| Backup power | DC 12V/750mA |
| Operating temperature range | -20℃ to 45℃ |
| Bipolar valve drive current | 750 mA MAX |
| Standard | Q/320585 XYK 01 |
The controller operates from AC 220 V ± 10 % and can use an optional backup supply of DC 12 V at 750 mA.
The controller can be used from –20 °C up to 45 °C.
When the switch‑valve signal opens, the valve closes and the display shows the value decreasing from 100 to 0.