This document introduces the features and instructions for using the Siemens Building Technologies Fire and Security Product Division FDCI225-CN Input Module, including compliance with national standards, monitoring of dry contact input ports, and built-in microprocessor signal processing.
This manual describes the Siemens FDCI 225-CN fire detection module, its features, LED status indicators, and wiring options. It explains how the module detects fire signals, reports faults, and integrates with the FDnet network.
The document includes step‑by‑step installation instructions for both surface‑mount and sealed‑mount applications, environmental requirements, and detailed performance data such as voltage range, current consumption, temperature limits, and IP ratings. This manual is written in Chinese.
| Operating voltage | 12 … 33 VDC |
|---|---|
| Static current consumption | 0.25 … 0.75 mA |
| Operating temperature | -25 … +60 °C |
| Storage temperature | -30 … +65 °C |
| Relative humidity | up to 95 % RH |
| Terminal size | 0.2 … 2.5 mm |
| Exterior color | White (RAL 9010) |
| Module weight | 0.080 kg |
The module operates from 12 VDC to 33 VDC.
It can operate between –25 °C and +60 °C and be stored between –30 °C and +65 °C.