Brooks Firetracker FT420, Техническое руководство

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Technical Manual
FT420
– Iss 2.4
64
4.3.3 Supervised Outputs Expansion
Supervised outputs expansion option is achieved by the addition of one or more of the 4 supervised
output Expansion boards SUB886, refer to section 2.7, page 27 for more details.
Selecting this option provides the ability to configure the supervised outputs to activate on alarm
condition.
•
If the OWS is fitted, the supervised output board can be used as speaker splitter circuits, in
this case ALL outputs will be activated of any zone alarm.
•
If the OWS is not fitted, the supervised output board will be used to provide multiple 24V
supervised outputs which can be activated from a specified zone or all zones.
Up to 24 supervised outputs can be added in a group of four outputs depending on the number of
other expansion boards fitted and space availability inside FT420 cabinet.
Figure 34 Supervised Relay Outputs
4.3.4 Dry-Contact Relay Expansion
Dry-Contact relay output expansion is achieved by adding one or more of the Dry Contact Relay
Expansion boards (SUB885), refer to Section 2.6, page 25 for more details.
Click on the pull-down
menu under the “Dry-Contact Relay” options, the specific outputs can be
selected against each zone as shown in Figure 35. Selecting this option gives the ability to configure
dry contact relay outputs to activate on alarm condition from the specified zones or all zones. Up to 24
outputs can be added in groups of eight, depending on the number of other expansion boards fitted
and space availability inside FT420 cabinet.