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The ARCAPRO 827A valve locator is a second‑generation intelligent positioner offering multiple operation modes such as automatic, manual, initialization and parameter setting. It supports HART and PROFIBUS PA communication, allowing integration with various control systems.
The manual describes the main components, installation procedures for different actuator types, technical parameters like control accuracy and deadband, and safety‑related wiring. It also lists the available output signals and configuration options for customized applications. This manual is written in Chinese.
| Control accuracy | <0.3 % |
|---|---|
| Deadband (hysteresis) | 0.3 %–10 % |
| Output signal | 4‑20 mA |
| Communication interfaces | HART, PROFIBUS PA |
The device supports automatic operation, manual operation, initialization, parameter setting and limited operation.
The analog output is a 4‑20 mA current loop.
The control accuracy is better than 0.3 %.