This document introduces the usage of a certain wireless earphone model and describes the features and characteristics of the earphone.
The AL830 is an industrial temperature controller designed for three‑phase phase‑shift SCR circuits. It is used for heating elements such as nickel‑chrome, iron‑chrome‑aluminum, infrared, and silicon‑molybdenum rods, as well as for furnaces, electrolyzers, and power‑factor correction.
This manual covers mechanical installation, electrical connections, panel description, operation keys, software configuration, PID parameter adjustment, fault codes, linear process input, curve‑program control, and input‑signal measurement ranges.
| Power supply | 100~260 VAC |
|---|---|
| Output signal type | Three‑phase phase‑shift pulse |
| Temperature measurement range (J‑type thermocouple) | -135 °C to 1000 °C |
| Communication interfaces | RS232, RS485, RS422 |
| Measurement accuracy | 0.2 % of full scale |
In automatic mode, press the ▲ or ▼ keys to increase or decrease the setpoint (SP).
Press the A/M key to toggle between automatic and manual control without load disturbance.
Use a 2.5 Ω (¼ W metal‑film) resistor to convert 4‑20 mA to a 50 mV voltage signal.