User manual for Zhongyi Electronics ZYS-C803-21-08-HL-P-T controller detailing functions, specifications, setup and operation.
This manual describes the ZYS-C803-21-08-HL-P-T single‑loop digital display controller, including its supported input types, measurement range, accuracy, alarm functions, communication options and power requirements. It provides step‑by‑step instructions for parameter configuration, alarm setting, and system password management.
The document also contains panel layout information, wiring diagrams, and example applications such as a liquid‑level transmitter setup. Technical specifications, environmental limits and optional panel dimensions are listed for proper installation and maintenance. This manual is written in Chinese.