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Siemens  Standard application AHU  CE1P3977en_02 
Building Technologies  Communication  01.02.2010 
9.3  LON 
 
A LON interface is always available on the basis controller POL636.xxx. 
The external LON module POL906.xx also required for controllers POL 635.xxx 
and POL 638.xxx. 
 
 
9.3.1  Commission internal LON interface 
 
Participating devices 
−  Climatix POL 636 controller. 
 
 
Prerequisites for commissioning a LON section: 
–  The SAPRO application is fully commissioned. 
–  Level 4 (password 2000). 
–  Mapping file (OBH.bin) is loaded. 
 
Step  Action 
1 
In the menu System parameter > Communication, select LON Con-
figuration. 
2  Configure additional settings as required. 
 
After successful LON commissioning via the LON tool, you can access the control-
ler via the LON bus using Saphir Scope. 
 
Main Index > System overview > Communication > LON 
Parameter  Range  Function 
State  −  OK. 
−  Alarm 
LON bus state. 
Comm failure  −  Passive 
−  Active 
Communications error between LON and proc-
essor. (e.g. no LON application loaded on the 
Neuron Chip) 
Location    Displays information that can be set via the LON 
chip during bus commissioning. 
Application    Name of loaded LON application (list of LON 
variable) on the Neuron chip. 
Neuron ID    Displays ID number for the Neuron chips. 
Send heart beat    Displays current interval for sending values. 
Receive heart beat    Displays current interval for receiving values. 
Devices 
Prerequisites 
Commission controller 
Note 
Parameter 
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
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