Technical Manual Presence Detector SCN-P/G360XX.02
MDT technologies GmbH •
51766 Engelskirchen • Papiermühle 1
Tel.: +49-2263-
880 •
Fax: +49-2263-4588
• [email protected] • www.mdt.de
39
39
The light codes for the LEDs can be taken from the following table:
LED behaviour
State
green LED flashes slowly
TeachIn is activated; detector is in TeachIn mode
green and red LED flashes alternately
TeachIn process in progress
green LED flashes fast for 10 sec
TeachIn process is completed succesfully
red LED flashes fast for 10 sec
TeachIn process failed
Table 21: LED behaviour - TeachIn
The following table shows the relevant communication objects:
Number
Name
Length
Usage
18
Calibration start
1 Bit
starts the alignment via Teach-In
19
Status absolute dimming value
1 Byte
Measured brightness value
Table 22: Communication objects - TeachIn
4.7.2 Procedure for teach-in without constant light control
The TeachIn process at presence detectors without constant light control is for correcting the
measured value.
The process is as described below:
1.
Adjust the
para eter Tea hI right ess alue to the desired right ess alue.
The best way doing the Teach-In process is to darken the room and switch the artificial lights
on. Now the brightness must be measured via a luxmeter and the measured value must be
set for the parameter
Tea hI right ess alue
.
2.
Adjust the Para eter Use Tea hI alue at appli atio do load fro Use fa tor default
values
to
hold TeachIn values
.de ge ü s hte Wert.
3.
Co e t the o je t 1
-
Cali ratio start ith a e group
address, if the calibration shall be
activated via the ETS (Group monitor) or with a push button.
4.
Download the application.
5.
Activate the Teach-In function by sending a logical 1 to the object 18.
6.
Now the presence detector has adopted the adjusted value as new measurand and corrects
its measurement from now according to the TeachIn value.
