Output & alarm circuits – Noby UK Noby-65 User Manual

Page 5

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Noby-65 Installation Manual & Operating Instructions (Rev.1)

Page 5 of 12

OUTPUT & ALARM CIRCUITS


Figure 3 shows the alarm outputs wiring diagram for a typical residential alarm system.

Intruder Alarm Relay Output [B01,B02,B03,B04]
The Noby-65 alarm siren output is provided at terminals B01 to B04. Terminal B01 is 0v, and terminals B02, B03
and B04 are a set of make/break relay contacts. For most installations a Siren will be driven from this relay, and
for convenience the centre contact is connected to 12v via fuse F5 on the PCB. This 12v feed can be diconnected
by removing fuse F5 – leaving a clean set of voltage-free contacts rated at 30V/2.5A.
This alarm output relay is activated for a preset Siren-Time, adjustable from 10s to 360s (P3).
It is recommended to use polarised sirens or bells fitted with a suppressor.

Fire Alarm Ouput [B05,B06,B07]
The following two fire sounder outputs are fused at F1A (Fuse F4):

i) the 24hr terminal (B05) gives a fire alarm at all times, even when the keyswitch is OFF.

ii) the 12hr (or SET) terminal (B07) activates only when the keyswitch is turned to FULL or PART.

Both terminals are open-collector pnp transistor outputs and switch to +12v during a fire alarm condition.
It is recommended to use polarised sirens or bells fitted with a suppressor.

Water Alarm Output [B08,B09]
Terminal B08 is a 12v supply fused at F1A, sharing a common fuse (F6) together with the Buzzer Output. Terminal
B09 is an open-collector npn transistor output, switching from 12v to 0v on detection of a Water Alarm condition.
This output is suitable for driving a siren, bell or sounders.
Alternatively, it is possible to activate a Solenoid Water Valve to disconnect the water supply. Note that in most
cases a 230VAC isolating relay is required to operate the Solenoid Valve. It is recommended to fit a suppressor
diode across the relay coil to prevent damage due to high voltage transients, as shown in Figure 3. Some relays
are supplied with a suppressor fitted internally.
IMPORTANT: DO NOT CONNECT 230VAC DIRECTLY TO THE NOBY-65 TERMINALS.

Internal Warning Buzzer Output [B10, B11]
This output is provided at terminals B10 & B11 for audible indication of warning and fault conditions. Terminal B10
is a 12v supply fused at F1A, sharing a common fuse (F6) together with the Water Alarm Output. Terminal B11 is
an open-collector npn transistor output, switching from 12v to 0v.
The Noby-65 emits the following Buzzer tones:

i) Exit Time:

Continous steady tone.

ii) Entry Time:

Slow pulsing tone (1Hz)

iii) Alarm & Faults:

Fast pulsing tone (2Hz)

It is recommended that the Internal Warning Buzzer (or piezo sounder) can be heard outside the Final Exit Door,
so that the keyholder can hear the Exit-Time finish and be confident that the Noby-65 is fully armed.

Following an alarm condition the Buzzer will continue to sound until the keyswitch is turned to OFF.

Duress / Panic Signal [B12]
A positive going 12V/10mA signal output (B12), which latches on receipt of a Duress or Panic alarm condition. This
output is cleared by performing a System Reset. This signal is provided to trigger Remote Signalling Equipment.

PIR Memory SW+ Signal [B13]
A positive going 12V/10mA signal output B13, switching to 12V when the Noby-65 is either Full-Set or Part-Set.
This signal can be used to control the latching LED function of PIR detectors connected to Zone-1 or Zone-2.
To reset a latched PIR detector:

i) turn the Keyswitch to FULL.
ii) allow the Exit-Time to finish.
iii) turn the Keyswitch to OFF.

The SW+ signal can also trigger Remote Signalling Equipment to transmit an Open/Close signal to a central
monitoring station.
Note: Some PIR detectors require a 10K pull-down resistor to be connected from terminal B13 to 0V.


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