Acorn CB200 Manuale di applicazione - Pagina 5
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Written by: R Patel
relay contacts will not be operated. If the fire condition is cleared from zone 1 then the
zone 1 fire indication is cleared and, as long as no other zones are in fire, the alarms
are also cleared. If any other zone is in a fire condition the panel will remain in the fire
condition until manually reset.
3.2.4 Class Change Input
This input is not fault monitored and is normally open. When a short circuit is placed
across input terminals the panel operates the alarm circuits and internal buzzer. The
input is non-latching.
3.3 Engineer's Controls:- 4-8 Zone Panels
The following functions are available through the Engineer's Access Code:
i)
One-man Test
ii)
Earth Fault enable/disable
iii)
Clear Processor Fault indication – if the processor stops, the "Proc. Fault"
LED will illuminate. The processor will start automatically unless there is a
hardware fault.
3.4 CB200 Repeater Panel
A repeater panel is available for the CB200 4 and 8 zone panels. This is connected using
RS485 serial communications over a screened twisted pair cable. Up to 3 repeaters can
be connected to the control panel and provide the following features at a remote location:
•
Indication of zonal fire, zonal fault and zonal isolate conditions
•
Operation of Buzzer Silence, Manual Evacuate, Alarms Silence and System
Reset functions
•
Indication of control panel status
•
Indication of communication fault with control panel
•
Indication of local power supply fault (if fitted)
•
Indication of power supply fault on another repeater (steady Batt. Fault LED)
•
Indication of a communication fault on another repeater. (Steady Comms.
Fault LED)
•
NOTE: Only one repeater can be powered from the 24VDC supply output on
the control panel.
3.5 Repeater Configuration
The following configuration is associated with the repeater:
•
Number of repeaters connected to panel (on panel)
•
Repeater address (on each repeater)
Document No.: CBAPP Rev.: 7
www.acornfiresecurity.com
AJC
Checked by:
Page 5 of 11
Date: 06/06/2003