User Manual

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Siemens Building Technologies  74 319 0396 0 c  AST10  B5851  22.11.2011 
Vmin can be adjusted in the range of –20 % ... 100 % 
Siemens default setting: Vmin = 0 % 
Vmax can be adjusted in the range of 20 % ... 120 % 
Siemens default setting: Vmax = 100 % 
The setpoint Y can be adjusted in the range of 
0.00 V ... 11.00 V 
The digitally adjusted setpoint has priority over the analogue 
set point. 
The analogue setpoint has priority again 60 seconds after 
removing the connection between AST10 and 
GLB/GDB/ASV181.1E/3. 
The actual Air Volume Signal is displayed if U is selected. The 
range is from 0.00 V ... 12.8 V and corresponds to an air 
volume of 0 % (U = 0 V) to 128.0 % (U = 12.8 V). 
Vn
Vmin
Vmax
TYP
DIR
Vn
Vmin
Vmax
TYP
DIR
GLB/GDB/ASV181.1E's
internal memory
Section 1
(Set Values)
Set by AST10, 
ACS931 or ACS941
Section 2
(Reference Values)
Set by ACS931
The GLB/GDB/ASV181.1E/3‘s internal 
memory (EEPROM) contains the parameters 
set by the AST10. The memory is split in two 
sections. 
Section 1:  contains the “Set Values”,
  that are used for operation 
Section 2:  contains the “Reference 
 Values” 
The AST10 allows only to change the 
“Set Values”. 










