Structure and function
Function
3
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Building Technologies
009122_h_en_--
Fire Safety
2016-05-04
3.3 Function
3.3.1 Overview
A distinction is made in terms of the function between the primary and secondary
sides of the FDCIO223 input/output module. The primary side represents the
connection to the FDnet/C-NET. Both inputs/outputs are triggered on the
secondary side.
The inputs/outputs can be used as follows:
Collective detector lines
Conventional detector lines
Control lines
Contact inputs
WARNING
The FDCIO223 outputs must not be used for extinguishing equipment.
3.3.2 Input/output module primary side
Communication
The communication with the control panel is performed via the FDnet/C-NET
detector line. Configuration is performed on the control panel.
Line separator
All FDnet/C-NET devices are equipped with a line separator.
The FDnet/C-NET device is equipped with electronic switches which isolate the
defective part in case of a short-circuit on the FDnet/C-NET detector line. The rest
of the detector line remains serviceable. On a loop line, all FDnet/C-NET devices
remain fully functional after a single short-circuit.
