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Siemens  Standard application AHU  CE1P3977en_02 
Building Technologies  HMI  01.02.2010 
17.8.5  Digital alarms 
 
Main Index > Configuration > Configuration IO’s > IO conf alarms 
Parameter  Function  Value range  Unit  Standard  R  S Link 
Htg frost monitor  IO Position Heating frost monitor  NUsd,Comm,X1…X28    NUsd    4   
Heating pump  IO Position Heating pump alarm  NUsd,Comm,X1…X28    NUsd    4   
Heating pump fdbk  IO Position Heating pump Feedback  NUsd,Comm,X1…X28    NUsd    4   
Electrical heating  IO Position Electrical Heater alarm  NUsd,Comm,X1…X28    NUsd    4   
Hrec frost monitor  IO Position Heat recovery frost monitor  NUsd,Comm,X1…X28    NUsd    4   
Hrec (pump)/cmd  IO Position Heat recovery pump alarm  NUsd,Comm,X1…X28    NUsd    4   
Hrec pump fdbk  IO Position Heat recovery pump Feedback  NUsd,Comm,X1…X28    NUsd    4   
Heat recovery  IO Position Heat recovery alarm  NUsd,Comm,X1…X28    NUsd    4   
Cooling pump  IO Position Cooling pump alarm  NUsd,Comm,X1…X28    NUsd    4   
Cooling pump fdbk  IO Position Cooling Pump Feedback  NUsd,Comm,X1…X28    NUsd    4   
Cooling Dx  IO Position Dx Cooling alarm  NUsd,Comm,X1…X28    NUsd    4   
Cooling Dx fdbk  IO Position Dx Cooling Feedback  NUsd,Comm,X1…X28    NUsd    4   
Humidifier pump  IO Position Humidification Pump alarm  NUsd,Comm,X1…X28    NUsd    4   
Hum pump fdbk  IO Position Humidification Pump Feedback  NUsd,Comm,X1…X28    NUsd    4   
Humidifier fdbk  IO Position Humidification Feedback  NUsd,Comm,X1…X28    NUsd    4   
Htg 2 frost monitor  IO Position Heating 2 frost monitor  NUsd,Comm,X1…X28    NUsd    4   
Heating 2 pump  IO Position Heating 2 pump alarm  NUsd,Comm,X1…X28    NUsd    4   
Htg 2 pump fdbk  IO Position Heating 2 pump Feedback  NUsd,Comm,X1…X28    NUsd    4  Section: 
El Heating 2  IO Position Electrical Heater 2 alarm  NUsd,Comm,X1…X28    NUsd    4 
 0 
Cooling 2 pump  IO Position Cooling 2 pump alarm  NUsd,Comm,X1…X28    NUsd    4   
Cooling 2 pump fdbk  IO Position Cooling 2 Pump Feedback  NUsd,Comm,X1…X28    NUsd    4   
Cooling 2 Dx  IO Position Dx Cooling 2 alarm  NUsd,Comm,X1…X28    NUsd    4   
Cooling 2 Dx fdbk  IO Position Dx Cooling 2 Feedback  NUsd,Comm,X1…X28    NUsd    4   
Fan  IO Position Fan alarm (only if combined 
Fan) 
NUsd,Comm,X1…X28    NUsd    4   
Supply fan  IO Position Supply fan alarm   NUsd,Comm,X1…X28    NUsd    4   
Exhaust fan   IO Position Exhaust fan alarm   NUsd,Comm,X1…X28    NUsd    4   
Supply fan fdbk  IO Position Supply fan Feedback (eg. 
Pressure switch)   
NUsd,Comm,X1…X28    NUsd    4   
Exhaust fan fdbk  IO Position Exhaust fan Feedback (eg. 
Pressure switch)  
NUsd,Comm,X1…X28    NUsd    4   
Filter  IO Position Filter alarm (only if combined 
Fan) 
NUsd,Comm,X1…X28    NUsd    4   
Supply filter  IO Position Supply filter alarm   NUsd,Comm,X1…X28    NUsd    4   
Exhaust filter  IO Position Exhaust filter alarm   NUsd,Comm,X1…X28    NUsd    4   
Fire  IO Position Fire alarm   NUsd,Comm,X1…X28    NUsd    4   
Outs air damper fdbk  IO Position Outside air damper Feedback  NUsd,Comm,X1…X28    NUsd    4   
Extr air damper fdbk  IO Position Extract air damper Feedback  NUsd,Comm,X1…X28    NUsd    4   
Fire damper Closed  IO Position Fire damper Feedback closed  NUsd,Comm,X1…X28    NUsd    4   
Fire damper Opened  IO Position Fire damper Feedback opened  NUsd,Comm,X1…X28    NUsd    4   
Auxiliary  IO Position Auxiliary alarm  NUsd,Comm,X1…X28    NUsd       
 
17.8.6  Other 
 
Main Index > Configuration > Configuration IO’s > Other 
Parameter  Function  Value range  Unit  Standard  R  S Link 
Air quality Sensor               
   Pos  IO Position  NUsd,Comm,X1…X28    NUsd    4  Section: 
   Y1  Humidity Sensor curve Value for 0V  0...3000  ppm  2000    4 
 15.3.7 
External setpoint  IO Position External setpoint             
   Pos  IO Position  NUsd,Comm,X1…X28    NUsd    4   
 
17.8.7  Outputs damper 
 
Main Index > Configuration > Configuration IO’s > IO conf damper outp 
Parameter  Function  Value range  Unit  Standard  R  S Link 
Outs air damper DO  IO Position Output Outside air damper   NUsd,Comm,DO1...DO
24 
  NUsd    4  Section: 
Extr air damper DO  IO Position Output Extract air damper   NUsd,Comm,DO1...DO
24 
  NUsd    4 
 15.3.8 
Fire damper DO  IO Position Output Fire damper   NUsd,Comm,DO1...DO
24 
  NUsd    4   
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 186