The manual provides installation, configuration, operation and maintenance instructions for the Andong Electronics LU-2100/3000 integrated recorder.
This user manual covers all aspects of the LU-2100/3000 integrated recorder, including package verification, hardware options, LCD screen types, power supplies, communication interfaces, and data storage options. Detailed chapters guide users through installation, safety precautions, display functions, configuration settings, data handling, and communication setup.
The document also includes wiring diagrams, RS‑232/RS‑485 configuration procedures, USB flash drive usage, and appendix examples for SCR zero‑crossing wiring, helping technicians and end‑users operate the recorder reliably in industrial environments. This manual is written in Chinese.
| LCD screen type options | 21: blue‑white monochrome, 30: color |
|---|---|
| Power supply output options | 0: none, 1: DC12V, 2: DC24V |
| Communication interface options | R: RS232, S: RS485 |
| Number of PID control channels | 0‑4 |
| USB flash drive storage options | None, 128 M, 256 M, 512 M |
Two LCD types are offered: a blue‑white monochrome screen (type 21) and a color screen (type 30).
Open the instrument’s front cover, locate jumpers JP02 and JP03 on the motherboard, and move them to the left side for RS‑485 or to the right side for RS‑232.