RayTek MI Miniature Infrared Sensor Thermometer User Manual


 
ProgrammingGuide
70 MI
11.4DeviceSetup
11.4.1TemperatureCalculation
U=C unitforthetemperaturevalue
E=0.950 Emissivitysetting(Caution:accordingtothesettings
for “ES”, see section
11.4.2 Emissivity Setting and
AlarmSetpointsonpage
70.)
XG=1.000 Settingfortransmission
Forthecalculationofthetemperaturevalue,itispossibletosetan
offset(relativenumbertobeaddedtothetemperaturevalue),anda
gainvalue.
DG=1.0000 Gainadjustmentforthetemperaturesignal
DO=0 Offsetadjustmentforthetemperaturesignal
Incasetheambienttemperature
isnotrequestedbytheinternalhead
temperature, you must set the ambient temperature values as
follows:
A=250.0 Ambienttemperature(example)
AC=1 Controlambientbackgroundtemp.compensation
11.4.2EmissivitySettingandAlarmSetpoints
Thedeviceallowsthreechoicesfortheemissivitysettingandtwofor
thealarmoutputsetting.
ES Selectionoftheemissivitysetting.
ES=1 Emissivitysetbyaconstantnumberaccordingtothe
„E“command
ES=E EmissivitysetbyavoltageonFTC1(analoginput)
ES=D Emissivityset bythe entriesin atable (selectedby
digitalinputsFTC1FTC3)
?CE asksfortheemissivityvalue
thatisactuallyusedfor
temperaturecalc ulation