Besides the terminals that were described up to now the panel also has the following outputs :
24V_M: A 24Vdc output that is interrupted in the event of a panel reset. It is mainly used for powering gas
detectors or other devices that need an interrupted power supply when the panel is resetting. If this output
is short-circuited then the LED marked 'General fault' is lighted.
24V_P: A 24Vdc power output that is not interrupted in the event of a reset. It can be used to power
electromagnetic door latches.
Relay AUX : Voltage free relay contacts that by default are programmed to operate when the panel issues
an alarm condition.
Zone Relays : Voltage free relay contacts that are activated in the event of an ALARM on the
corresponding zone. All panels offer a relay per zone. We can use these contacts to activate devices or
operations that must be done when a specific zone issues an alarm ( i.e. Activating electromagnetic door
latches, activating electro-valves ). Figure 6 shows such an installation.
ATTENTION: Zones and aux relays are rated at 30VDC and 5A maximum. No 230VAC signals can be
connected to this relays.
F_OUT (Fault Output) : This output is by default programmed to operate in every fault condition issued
by the panel.
If it is required that this output be activated by an alarm condition then we must set the MODE switch 2 to
the ON position (To meet the requirements paragraph 8.8 of EN 54-2 the MODE switch 2 must be placed
to OFF position). This output is an open-collector output suitable for controlling the BS-489 telephone
operator.
OUTPUT +A,-A. This output is used only for production proposes. This must not be used by any other
technician only technician from olympia electronics.
Siren - Sounder Connections
Each panel offers 2 independent circuits for connecting sirens, bells or other devices that need 24Vdc in order
to operate. Each circuit can supply a maximum of 300mA. Each terminal block by default has a pre-installed
terminal resistor (5Κ6). This terminal resistor is either removed and installed on the last siren of the line or is
left on the terminal block if the circuit is not used.
The connections of both circuits are identical.
Figure 5. Connecting 2 BS-531 sirens to the ALARM 2 output. This connection requires polarity.
BS-531
Siren with
Beacon
BS-531
Siren with
Beacon
5Κ6
ALARM1 AL ARM2
5Κ6
Terminal
Resistor
Terminal
Resistor
Figure 6. Connecting
zone 1 and the other by zone 2.
2 electromagnetic door latches BS-510/24 to the panel. One is activated by
ZO NE 1 ZO NE 2
24 V_P
C C
NO NONC NC
24V DC 24V DC
BS-510/24BS-510/24
Page 5 from 9 921636000_09_023
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