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Siemens
Standard application AHU
CE1P3977en_02
Building Technologies
Functions
01.02.2010
not active feedback (fdbk) is enabled. It is assumed
that the dampers are open after this period and that
the start release is issued for the fans.
Feedback can only be used as alarm, when Contact function = NO (Normally
Open) and the element is set to ON.
5.3.3 Fire damper
Fire dampers are enabled and preconfigured in configuration 1, configuration 2 and
configuration I/Os.
Fire dampers can be driven together with the plant, with automatic test or they are
always open. Reaching and leaving the given end switch is monitored. Displays the
current state and operating state of the dampers.
Fire damper is forced by both supply fan or exhaust fan.
Main Index > Unit > Damper Control > Fire damper
Parameter
Range
Function
Command
– Off
– On
Current state of outside air damper command.
Go to page with all digital output settings.
Feedback opened
– No
– Yes
Active feedback if the damper is open. The feedback
opened is automatically set after 115% of open time
if fdbk Open is not enabled in configuration 2.
Feedback closed
– No
– Yes
Active feedback if the damper is closed. This feed-
back must always be available.
No move
– OK.
– alarm
Alarm message no reaction occurs to both feed-
backs after a change in the damper command. See
example below.
State
– NotDefined
– Closed
– Move
– Opened
Current damper state.
– Only possible during configuration.
– Closed.
– Moving.
– Opened.
See example below.
Mode
– NotDefined
– Ok
– Debug
– Alarm
Damper operating state.
– Only possible during configuration.
– Okay.
– In test mode.
– In alarm state.
Opening time
1…600 [s]
Positioning time to open the damper (See Data-
sheet damper actuator).
Closing time
1…600 [s]
Positioning time to close the damper (See Data-
sheet damper actuator).
Start manual test
– Passive
– Active
Active triggers a manual test of the fire dampers.
See examples below.
Auto test
Uhrzeit, Wochentag,
Datum
Determines the time for an automatic start of the
damper test. The automatic test is disabled for Con-
figuration 1 > Fire damper = FollowUnit.
See examples below.
auto test interval
0...36000 [h]
Set the time interval for a period automatic damper
test.
See examples below.
Note
Prerequisite
Function
Parameter
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 48
