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Siemens
Standard application AHU
CE1P3977en_02
Building Technologies
Functions
01.02.2010
5.13 Auxiliary functions
5.13.1 General
In Configuration 1: keine
Main Index > Configuration > Configuration 2
Parameter
Range
Function
Auxiliary input
– No
– Input
– Alm
– Inp+Alm
– No auxiliary input.
– Auxiliary input for display only.
– Auxiliary input with alarm.
– Two auxiliary inputs: To display and with alarm.
Aux tmp sensor
– No
– Yes
Auxiliary input for temperature sensor.
Aux TSP output
– No
– Yes
An auxiliary digital output controller by its own time
switch program.
Aux A outp fan
– No
– Yes
Auxiliary analog output that provides a 0-10 V signal
depending on the present fan step.
Aux op mode indicat
– No
– Yes
Auxiliary digital output that displays whether a de-
sired operating mode for the plant (e.g. Comfort,
Off) is enabled.
These auxiliary functions (inputs, outputs, TSP) have no influence on control. They
are used exclusively to display, switch or control independent devices.
Main Index > Unit > Auxiliary
Parameter
Range
Function
TSP output
– Off
– On
Present state of the output controlled by the time
switch program. Go to parameter page for the out-
put.
Analog output
0…100 [%]
Present value of output Aux A outp fan. Go to page
with all analog output settings.
A outp fan step 0
0…100 [%]
Voltage value at output for shut off plant (for plant
faults as well).
A outp fan step 1
0…100 [%]
Voltage value on the output for active fan step 1
(setpoint 1 for controlled fans).
A outp fan step 2
0…100 [%]
Voltage value on the output for active fan step 2
(setpoint 2 for controlled fans).
A outp fan step 3
0…100 [%]
Voltage value on the output for active fan step 3
(setpoint 3 for controlled fans).
Alarm input
– Passive
– Active
Present state of alarm for auxiliary input. Go to page
with digital input settings. The behavior NO/NC for
the input can be changed there.
– Logical 0 at input.
– Logical 1 at input.
Input
– Off
– On
Present state of input for auxiliary input. Go to page
with digital input settings. The behavior NO/NC for
the input can be changed there.
– Logical 0 at input.
– Logical 1 at input.
Auxiliary tmp
-64.0…64.0 [°C]
Present value of temperature at input aux tmp sen-
sor. Go to page with analog input settings.
Prerequisites
Configuration
Function
Parameter
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 91