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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