4
Undertaking modernization
Step 2: Replacing the control panel and changing over to FDnet protocol
28
Building Technologies
A6V10323158_d_en_--
Fire Safety
2015-04-09
4.2.3 Adapting the cabling
l
Remove the EOL resistors or other EOL elements for collective detector lines.
l
Remove the diodes in the detector bases in the case of mixed collective
detector lines to which manual call points and point detectors are connected.
l
Remove the EMC restrictors on SIGMALOOP detector lines.
l
Remove the line separators DC1159A on the interactive detector line.
In the case of an interactive detector line, you can read in the topology using the
PC Linetester Tool to assess whether the cabling is valid. You will need to ensure
that all point detectors have been replaced with an FDOOT241-A5. See also
'Help' in the PC Linetester Tool.
Sections that only have 'Interactive detectors' are not detected.
l
Check whether only permitted topologies are being used [
12]. Permitted
topologies:
– Stub
– Loop
– Sub-stub on loop
l
The maximum number of peripheral devices possible per loop must be
checked: Per loop, max. 126 detectors, as of Sinteso MP4.0 max.
252 detectors
l
Check whether the max. lengths of line and capacities are within the
permissible data.
l
Limitations exist when connecting external alarm indicators. You will find more
information in chapter 'Limitations for the detector families [
14]'.
Jumper settings on the base adapters can remain in their current setting. This
does not restrict the function of the detectors on the FDnet.
Resistors above the external alarm indicator do not have to be removed. This
does not restrict the function of the detectors on the FDnet.
See also
2
General limitations on modernization [
2