OUTPUT
TYPE
Determines the output type; see the table in
Outputs types and output ports
below, for a description of output types.
OUTPUT
MODE
Determines the style of the output: continuous, momentary or pulsed.
POLARITY
Determines whether the output is activated on a positive or negative polarity.
LOG
Determines if system log is enabled or disabled.
For the output test procedure, see
16.12.1 Outputs types and output ports
Each output type can be assigned to one of the 6 physical output ports on the SPC controller or to an
output on one of the connected expanders. Output types that are not assigned to physical outputs act as
indicators of events on the system and may be logged and/or reported to remote central stations if
required.
The output ports on the expanders are all single pole relay type outputs (NO, COM, NC); therefore, output
devices may need external power sources to activate if they are wired to expander outputs.
The activation of a particular output type depends on the zone type (see
on page 379) or alert
condition that triggered the activation. If multiple areas are defined on the system then the outputs on the
SPC are grouped into system outputs and area outputs; the system outputs are activated to indicate a
system wide event (for example, mains fault) whereas the area outputs indicate events detected in one or
more of the defined areas on the system. Each area has its own set of area outputs; if the area is a
common area for other areas, then its outputs will indicate the state of all the areas it is common for,
including its own state. For example, if Area 1 is common for Area 2 and 3, and Area 2 Ext. Bell is active,
then the Area 1 Ext Bell output is also active.
Some output types can only indicate system wide events (no specific area events). See the table
below for further information.
Output Type
Description
External Bell
This output type is used to activate the system external bell and is active when any Area External
Bell is active. By default, this output is assigned to the first output on the controller board (EXT+,
EXT-).
Note:
An external bell output is automatically activated whenever a zone programmed as an Alarm
zone triggers an alarm in Fullset or Partset modes.
External Bell
Strobe
This output type is used to activate the strobe on the system external bell and is active when any
area strobe is active. By default, this output is assigned to the strobe relay output (Output 3) on the
Controller board (NO, COM, NC).
Note:
An external bell strobe output is automatically activated whenever a zone programmed as an
alarm zone triggers an alarm in Fullset or Partset modes. The external bell strobe activates on a ’Fail
to Set’ condition if the strobe on the ’Fail to Set’ option is checked in system options.
SPC4xxx/5xxx/6xxx – Installation & Configuration Manual
Engineer programming via the keypad
© Vanderbilt 2018
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11.2018