gefran TPD32-EV-500 series - Figure 2: Example. Open SCR (White) Displayed with Gf_Express Tool

—————— TPD32-EV ——————
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Figure 1: SCR test Figure 2: Example. Open SCR (white) displayed with GF_eXpress Tool
Figure 3: Example. SCR shorted (red) displayed with GF_eXpress Tool
Open SCR thr SettingofcurrentlimitfordetectionofopenSCR..
note!  IfthecurrentowingthroughtheSCRmoduleisbelow50%(factorysetting)oftheaverage
levelmeasuredintheperiod,themessageSCRopen:“OpenF<…>”isshown.
 Highersettingsincreasethesensitivityofmeasurement.(Example:asettingof90%isvery
sensitivebutcouldgeneratefalsedetectionsofopenSCRs.)
1527 Open test act Setting Drive Status 1525 SCR diag status Displayed on TPD32-EV Keypad
Open test act = Disable Drive
Open W <SCR> @ 50% of Internal Integer value -
DISABLED Open F <SCR> @ 100% of Internal Integer value Open SCR
Open test act = Ignore
Open W <SCR> @ 50% of Internal Integer value -
IGNORE Open F <SCR> @ 100% of Internal Integer value -
Open test act = Warning
Open W <SCR> @ 50% of Internal Integer value -
WARNING Open F <SCR> @ 100% of Internal Integer value Open SCR
note - internal integrator
 Ateachlinefrequencyperiod,thesoftwarecomparesthecurrentthatowswhentheSCRsare
activetotheaveragecurrentintheperiod,increasingordecreasingthevalueoftheintegrator
ifthecurrentowingthroughtheSCRisbeloworabove,respectively,thatoftheperiodbased
onthesetlimit.
Example:
 -Limitat50%(default)-IPA1528OpenSCRthr
 ThecurrentowingthroughtheSCRis30%oftheaverageintheperiod-->Theintegratoris
increasedby20counts.
 ThecurrentowingthroughtheSCRis60%oftheaverageintheperiod-->Theintegratoris