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Siemens Standard application AHU CE1P3977en_02
Building Technologies Detail pages: Inputs and outputs 01.02.2010
6.6.2 Special settings
– Read: Levels 4 and 2.
– Write: Levels 4 and 2.
Parameter Range Function
Out of service
− Passive
− Active
Take input offline to manually enter a value, e.g. a
temperature. Manual operation is not automatically
reset. An alarm can be triggered after a set period
when the manual alarm function is enabled.
− The input is in Auto mode.
− Input is out of service: The present value for the
hardware has not influence on the input.
Present value Depends on hardware. Present value. You can enter a value for out of ser-
vice = active.
Alarm config
− enblHighLimit
− enblLowLimit
− enblOffNormal
− enblFault
− self Release
− type Alarm
− evtOffNormal
− evtFault
− evtNormal
− Done
Alarm response: Definition of a trigger for an alarm
event.
− Not implemented.
− Not implemented.
− OffNormal Alarm (alarm, e.g. for logical 1 on in-
put) is enabled.
− Fault alarms (Reliability <> 0) are enabled.
− Automatic reset of fault and off normal alarms.
− Not used.
− Not used.
− Not used.
− Not used.
− Assumes changed parameters. See AI !
Msg class OffNormal
− Danger (A)
− High (A)
− Low (B)
− Warning (C)
− No Alarm
Defines message class for OffNormal alarms (miss-
ing feedback):
− Plant goes to stop.
− Plant shuts down.
− The impacted plant portion switches off (e.g. the
heat pump).
− Message only.
− No alarm.
Note: This switch must be on No Alarm for all inputs
not intended to trigger an alarm (e.g. plant switch).
Msg class fault
− Danger (A)
− High (A)
− Low (B)
− Warning (C)
− No Alarm
Defines message class for fault alarms (reliability <>
0, value = invalid):
− Plant goes to stop.
− Plant shuts down.
− The impacted plant portion switches off (e.g. the
heat pump).
− Message only.
− No alarm.
Access level
Parameter
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 107
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