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201
Parameter description No.
Value
Standard
Conguration
min max
Factory
American
Factory
Standard
Open test act
Ignore(0)
Warning(1)
Disabledrive(2)
1527 - - Disabledrive Disabledrive
-
SCR test enable
OFF(0)
OpenSCRtest(1)
TestSCR(2)
Open/Shorttest(3)
1524 - - Off Off
SCR diag status
NoSCRFault
Short<SCR>
OpenW<SCR>
OpenF<SCR>
1525 NoSCRFault NoSCRFault
Open SCRX thr [%]
1528 0 100 50 50
Open test act Activitysettingfor“Open SCR”test(for“Shorted SCR”=
"Disable drive".Notcongurable).
SCR test enable EnableSCRtestwithselectionoftesttypetoberun.
OFF
Open SCR test Onceenabled,thisselection (tode-
tectopenSCRs)alwaysremainsenabledifdrivecontrolison
(Enabled+Start),
Short SCR Test Thisselection(todetectSCRsinshort
circuit)isonattherstenablingofthedrive(Enabled+Start
withgenerationofpulsestoSCRmodules).
Note:IfIPA8818=Stopmode=OFF,theSCRShorttestis
runwithouttheStartcommandon).WhentheSCRShorttest
isrun,5sofdelayisincludedbetweenexecutionoftheStart
commandandenablingofthecontrol.
Open/Short test Thisselectionsimultaneouslydetects
SCRsinshortcircuitand/oropen.Whenenabled(Enable+
Start),anySCRsinshortaredetected(requires5s),afterwhich
anyopenSCRsaredetected.
SCR diag status DisplaysstatusofmodulesafterSCRtestisrun.
No SCR Fault:NoSCRinfaultstatus.
Short <SCR>:SCRinshortcircuitdetected.Thenumberof
theSCRmoduleinshortcircuitisshownin<…>.(Forthe
2Bdrive,theSCRinshortcircuitisshown.Forthe4Bdrive,
the“pair”ofmodulesmakinguppartoftheshortedSCRare
shown.)Note:Short <5/15>;SCRno.5orno.15inshortcircuit
ingure3.
Open W <SCR>:WarningthatanSCRisopen.
Open F <SCR>:SCRopenalarm.Note:OpenF<4>:SCR
no.4openingure2.