This document is the Chinese user manual for the SPD-T56 multifunctional telephone remote controller. The manual provides an overview of the product, its features, functions, hardware installation, initial setup, control operations, and frequently asked questions.
This user manual provides step‑by‑step instructions for installing the SPD‑T56 controller, wiring the power, temperature sensor, telephone line and RS‑485 interface, and configuring initial settings such as ring count and phone numbers. Detailed command tables show how to query temperature, humidity, output status, and how to set alarm thresholds and actions.
The guide also includes a troubleshooting section covering common issues like telephone line problems and unexpected output changes, plus a complete list of technical specifications and physical dimensions for planning installation in industrial environments. This manual is written in Chinese.
| Working voltage | DC9V |
|---|---|
| Relay load capacity | 5A/AC220V |
| Operating temperature range | -20 °C to +60 °C |
| Temperature sensor model | DS18B20 |
| Temperature sensor range | -55 °C to 125 °C |
| Temperature sensor accuracy | ±0.5 °C @ -10 °C to +85 °C |
| Sensor cable length | 2 m |
| Dimensions (L×W×H) | 160 mm × 110 mm × 40 mm |
After the telephone line is connected, press *7 followed by the new 6‑digit password, another #, then repeat the password and #. The default password is 111111.
Dial the command defined in the manual (the exact command string is listed in the control operation section) and the controller will announce the temperature and humidity via voice prompt.