This document is a user manual for the simple type digital PID temperature controller AT48/72/49/96B series, which introduces the features and performance of the product.
This manual provides step‑by‑step instructions for operating the AT48/72/49/96B digital PID thermostat, including basic operation, self‑tuning (AT) procedures, and how to modify set‑points and parameters. It also describes the main technical specifications, wiring diagram and alarm functions.
Additional sections cover detailed parameter configuration, troubleshooting tips such as handling display errors, and installation and environmental considerations to ensure reliable performance in industrial temperature control applications. This manual is written in Chinese.
| Power supply | 100~240 VAC, 24 V DC |
|---|---|
| Display | 4‑digit 7‑segment LED |
| Display accuracy | ±0.3 % |
| Output type | Solid‑state relay, 12 V, 30 mA |