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3.2 Brightness measurement
The interface measures continuously the brightness from one or two sensors .When they are 2
of them , it compares the two values and takes into account the highest one .
It transmits the measured value on the network :
-every time it crosses one of the 15 possible values of the threshold .
A threshold value can be set through a 16 position coding wheel , bound via the network
with a actuator interface.
-when it has changed by more than x% , x being set by the network .
-When the timer « Brightness max send time » expires . This timer can be configured.
A yellow LED is turned on the product as soon as and as long as the actual value is higher than
the threshold , except during the intuitive installation process .
These configuration variables are linked with :
SNVT_lev_cont
SNVT_lux
SNVT_elapsed_tm
3.3 Configuration variables
WARNING :
-ncisnGain
-nciOffset
-nciSnMaxRange
-nciSnMinRange
-nciSnAverage
These are manufacturer parameter . Never change it without manufacturer's
consent .
3.4 Network management tools
With a supervision , the status of each object in the node (nviRequest) can be asked and
reported by output variables (nvoStatus).
The node object provides Object Status.
3.4.1 Node object management
To request and control the status of each object ,the node uses an input variable.
This input variable provides the mechanism to request a particular mode for a particular object
within a node. For example , each node object can be enable or disable .
This input variable includes one field to allow the Node Object to report status for all objects on a
node and one field to request the node.
nciSnSendOnDelta ;
nciSnThresTable[0...15] ;
nciStsMaxSendT ;
Functional description Sun
ref FD 157990 Version 1.0
27/01/03
11/15
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