RayTek MI Miniature Infrared Sensor - Lock Mode; Mode Setting for the Digital Input FTC3; Changing the Sensing Head Calibration Data74; Ambient Background Temperature Compensation

ProgrammingGuide
74 MI
XF factorydefaultvalueswillbeset
11.6.5LockMode
The access to the unit is possible via serial interface (software) and
viathedirectuserinput(mode buttons,LCDdisplay).Itispossible
tolockthebuttons.Thisallowsaccesstheunitonlyviasoftware.
J=L directuserinputvia
modebuttonsdenied
Alternatively the unit can be unlocked by pressing the <Mode/Up> 
buttonssimultaneouslyforthreeseconds.
11.6.6ModeSettingfortheDigitalInputFTC3
ThedigitalinputFTC3(seesection
5.4.4TriggerandHoldFunction 
onpage28)canbeusedasfollows:
XN=T FTC3astrigger
XN=H FTC3withholdfunction
11.6.7ChangingtheSensingHeadCalibrationData
If it is necessary to exchange the sensing head, you must set the
calibrationdataforthenewsensinghead:
XZ=01234567FFFFFFFF accordingtothe
headcalibrationdata
ForMID/MIC‐modelsthelasteightnumbersarenotusedandmust
besetto„F“likeshownintheexampleabove.ForMIH‐modelsand
specials(likeMTBorG5)allsixteennumbersareused.
11.6.8AmbientBackgroundTemperatureCompensation
In case of compensating the ambient
background temperature, the
followingmodesareavailable:
AC=0 nocompensation
AC=1 compensation with a constant temperature value set
withcommandA.