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RayTek MI Miniature Infrared Sensor - Emissivity Setting (Digital Controlled)

RayTek MI Miniature Infrared Sensor
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Installation
MI 25
5.4.2EmissivitySetting(digitalcontrolled)
Thesensor’selectronicscontainsatablewith8preinstalledsettings
foremissivity.Toactivatetheseemissivitysettings,youneedtohave
the inputs FTC1 , FTC2, and FTC3 connected. According to the
voltage level on the FTC inputs, one of the table entries will be
activated.
0=Lowsignal(0V)
1=Highsignal(5V)
Anonwiredinputisconsideredas“High”!
Table entry Emissivity
(Examples)
FTC3
FTC2
FTC1
0
1
2
3
4
5
6
7
1.100
0.500
0.600
0.700
0.800
0.970
1.000
0.950
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Figure15:DigitalSelectionofEmissivitywithFTCInputs
The values in the table can only be changed by means of the
DataTempMultiDropsoftware.

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