Sigma_CP_Australian Interface Module.doc
Page 9 of 9
7.4
ASE Outputs (Alarm Signalling Equipment)
Volt free
relay outputs, rated at 30VDC 1Amp, are provided to facilitate connection of the Sigma
fire panel to a variety of ASE depending on the installation.
These contacts are rated for switching
signalling circuits only and the maximum ratings listed in Error! Reference source not found. on
page 5 should not be exceeded under any circumstances.
It is the responsibility of the installer to
ensure that the ASE being installed is compatible with the local fire station to which it is being
connected.
ALARM
normally de-energised, activates on a non-disabled Alarm
FAULT
normally de-energised, activates on a non-disabled Fault
ISOLATED
normally de-energised, activates on a non-disabled Disable
POWER FLT normally energised, de-activates when there is an abnormality with the power
supply.
COINC.
normally de-energised, activates on multiple alarms. This output will activate when
an alarm occurs any of the zones specified as being
coincident
zones. See options
51 to 58 in Sigma CP Fire Control Manual.
ENABLE
normally de-energised, activates when the fire panel enters the Level 2 state.
ACF O/P
this output follows the state of the ACF monitored output.
If voltages or currents exceeding those in
Table 1
on Page 5 need to be switched then a suitable
relay or contactor device should be interposed between the ancillary board and the system to be
controlled.
7.5
Fuse fail
The AIM is fitted with a 1 Amp rated, self-resetting electronic fuse. This fuse protects the
electronics of the AIM and prevents any excessive loading of the power supply that is powering it.
If this fuse operates, the yellow Fuse LED will light.
7.6
COMMS
If the AIM loses communication with the control panel to which it is connected, the COMMS LED
will light.
7.7
Microprocessor Reset link
Once started, the microprocessor controlling the panel should continue to run the AIM continuously
without interruption. If the microprocessor fails to run correctly it can be reset by momentarily
shorting J3 on the rear of the PCB.
This should not normally be necessary but should be done as a matter of course if the system is
behaving abnormally. The system should resume normal operation within a couple of seconds.
7.8
Module Address
NOTE: The AIM is fixed at ancillary board address 7 and in this instance only 6 Ancillary boards
can be fitted at addresses 1 to 6.
8
Power requirements
The AIM requires a 24V DC power supply which connects to the terminal block labelled 24V DC.
The power supply should be capable of supplying a minimum of 250 milliamps to cater for a fully
loaded board with all outputs activated.
