45 RE / DD / UM / RE-900 1.0-0
5.3 Operation
5.3.1 ZONE FAULT:
When faults like Open/ Short occurred in the loop, the corresponding
ZONE FAULT LED would identify it.
And in the output to main panel shows high resistance (Open),
hence in the main panel where this sector panel is connected shows
fault.
During above condition LCD Show as follows and by using the
curser key the suppressed fault can be viewed.
Where
A
– n
th
Fault;
B
– Total No. of Fault;
X
– Zone Number which is
shown in LCD at present.
Note:
During the above fault conditions, apart from the
specific fault identification LED, common fault, common
fault relay and Local buzzer with intermittent tone will be
activated. During this time, if ‘ACK.’ is activated, intermittent
tone will be silenced. By using ‘*’ key type of hidden fault
can be viewed.
5.3.2 ZONE FIRE:
When the control panel detects Fire via the Detector / MCP, the
corresponding ZONE FIRE red LED will be illuminated. At the same
time hooter, potential free contact and local buzzer (continuous
tone) will be activated. The
common Fire LED
will illuminate
whenever any zone is goes to fire condition.
And in the output to main panel shows Fire resistance (560 Ω),
hence in the main panel where this sector panel is connected shows
fire.
[A/B]
OPEN /SHORT IN ZONE X
Zone Location
Содержание RE-900
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