User manual

Maintenance
52 MarathonSeriesFA/FR

Figure39:AttachingtheFiberOpticCabletotheElectronicsHousing
10.4.3FiberCalibration
Each replacement fiber optic cable is calibrated at the factory before shipping. The calibration
constants are sent along with a label mounted on the cable. So you have to enter them into the
appropriate Fiber Calibrationsoftware program. This program sends the newcalibration constants,
throughtheRS485connection,tothe
sensor’selectronics.
The Fiber Calibration program comes with the other software programs you received. To run the
programandenternewcablecalibrationconstants,completethefollowing:
1. The program can not be launched from the CD. Thus you have to copy the file
MARATHFC.EXEfromthesoftwareCDto
theharddiskofyourcomputer,e.g.bymeansof
theWindowsExplorer.
2. Forlaunchingtheprogramyouhavetoselectthefileandtopushthe<Enter>button.
3. InthefollowingdialogyouarerequestedtoselecttherightCOMportwiththepluggedunit.
Forestablishingthe
communicationclickonthe<Done>button.
4. Themainscreenappears.Clickonthe<FiberID>button.
5. Inthefollowingdialogyouarerequestedtoinputthecalibrationconstantsforthefibercable.
Thedialogmustbeclosedwithclickingonthe<Finish>button.
6. Thetransmissionofthe
newcalibrationconstantstotheunitisinitializedbyclickingonthe
<DownloadCalibrationConstants>button.Attention:Donotinterruptthedatatransmission!
7. Theclickonthe<Exit>buttoncompletestherecalibrationofthefibercable.
Tighten only after securing connecting sleeve
Note keyed connecting sleeve (can be
inserted only one way - slot must face mode
switches
)
Push connecting sleeve in until it stops,
approx. 15 mm (0.6 in)
Tighten screw (finger tighten only)