FYXH series intelligent central signal alarm device is an important part of the secondary part of the power plant and substation electrical system. It has the functions of strong function, high sensitivity, high reliability, low power consumption, signal memory and programming setting. It is an upgraded product of conventional signal alarm system.
The FYXH-24.A is an intelligent central signal alarm designed for power plants, substations and industrial facilities. It supports 24 signal channels, offers flexible alarm sound options (electric whistle or bell), and features low power consumption with built‑in LED display and keypad for configuration.
The manual explains how to set channel parameters, use the recall function for fault history, perform self‑test, and install the unit. Detailed wiring diagrams, terminal tables, and dimension drawings are included, along with a warranty registration form. This manual is written in Chinese.
| Input signal voltage range | DC5V ~ DC250V |
|---|---|
| Power supply voltage | AC/DC 220V ±20% or AC/DC 110V ±20% |
| Power consumption | < 60W |
| Signal resolution | 10 ms |
| Operating temperature | -10 °C ~ +50 °C |
| Number of channels (model FYXH-24.A) | 24 |
| Internal DC supply | 5 V, 12 V |
| Alarm sound options | Electric whistle or electric bell |
After powering on, press the “Write” key three times to enter parameter setting mode, then use the cursor, +/‑ keys and Confirm to adjust channel settings.
Press the “Recall” key; the display shows the first fault channel number, then press Confirm to step through subsequent fault channels until all are shown.
Press the “Mute” key three times; the unit enters self‑test, LEDs alternate and the whistle and bell sound alternately, then returns to normal after two cycles.