FDCIO422 Siemens Four Input Output Module The FDCIO422 is used for the connection of up to 2 independent Class A or 4 independent Class B dry N/O configurable contacts. Input lines can be supervised for open, short and ground fault conditions (depending on EOL termination resistor and class configuration).
Inputs can be independently configured via the fire control panel for alarm, trouble, status or supervisory zones.
The FDCIO422 has 4 programmable outputs with 4 potential-free latching type form A relay contacts for fire control installations.
Status indication per LED for each input and output plus 1 LED for general status of the device. Power supply via FDnet (supervised power limited).
Including 4 EOL devices (470 +) - 3 separators to separate the power limited wiring from the non-power limited.
Separators are delivered in 3 different sizes for standard 4 11/16- inch box, 4 11/16-inch extension ring and 5-inch box (RANDL).
The FDCIO422 supports two operation modes: polarity insensitive mode and isolator mode. The module can be wired for either mode (refer to Figure 8). During the isolator mode, the built-in dual isolators will work at bot(more...)
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