Mounting / Installation
67
Building Technologies 007004_k_en_--
Fire Safety & Security Products 16.04.2009
5.11 Protective cages
Protective cage DBZ1194 protects the detector against mechanical damage.
EMC-protective cage FDBZ294 protects the detector against mechanical damage
and electromagnetic fields.
5.11.1 Installation of the protective cages
The protective cages can only be installed on the base attachment humid FDB293.
Installation of the protective cages
1 Base attachment humid 4 Flat plug 6.3 x 0.8 mm
2 Break out and screw protective cage
on firmly
5 EMC-protective cage
3 Protective cage
5.11.2 Grounding of the EMC-protective cage FDBZ294
The EMC-protective cage must be connected to the shielding of the detector line
cable at the flat plug.
If the detector line cable is not shielded then the EMC-protective cage must be
grounded using a separate cable.
For optimum grounding in the presence of powerful electromagnetic fields, the
ground line must be shorter than 10 m and have a cross section of at least
1.5 mm
2
.
See also
Installation of the protective cages [J 67]
To Next Page
Loading...
