Beijer-electronics BFI-P2 V1.21 Manual do Utilizador descarregar pdf (Página 26)

UserGuideRevision1.12

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www.beijerelectronics.com

4.10.10. Enablingthe“STO”Function

The“STO”functionisalwaysenabledinthedriveregardlessofoperatingmodeorparameterchangesmadebytheuser.

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4.10.11. Testingthe“STO”Function

Beforecommissioningthesystemthe“STO”functionshouldalwaysbetestedforcorrectoperation,thisshouldincludethefollowingtests:

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• Withthemotoratstandstill,andastopcommandgiventothedrive(asperthestartsourcemethodselectedinP1‐13):

o De‐energisethe“STO”inputs(Drivewilldisplay““InHibit”).

o Giveastartcommand(asperthestartsourcemethodselectedinP1‐13)andcheckthatthedrivestilldisplays“Inhibit”and

thattheoperationisinlinewiththesection4.10.4“STOOperation”andsection4.10.5“STO”StatusandMonitoring

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• Withthemotorrunningnormally(fromthe drive):

o De‐energisethe“STO”inputs

o Checkthatthedrivedisplays“InHibit”and

thatthemotorstopsandthattheoperationisinlinewiththesectionandsection

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4.10.12. “STO”FunctionMaintenance.

The“STO”functionshouldbeincludedwithinthecontrolsystemsscheduledmaintenanceprogramsothatthefunctionisregularlytestedfor

integrity(MinimumonceperYear),furthermorethefunctionshouldbeintegritytestedfollowinganysafetysystemmodificationsor

maintenancework.

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IfdrivefaultmessagesareobservedrefertosectionError!Referencesourcenotfound.”Error!Referencesourcenotfound.”forfurther

guidance.

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4.11. ConectingaBrakeResistor

BeijerFrequencyInverterP2unitsfeatureaninternalbraketransistor,fittedasstandardforallframeSize2–5models,andoptionallyonlarger

framesizes.ThebrakeresistorshouldbeconnectedtotheDC+andBRTerminalsofthedrive.

ThebraketransistorisenabledusingP6‐19.

Softwareprotectionagainstbrakeresistoroverloadiscarriedoutwithinthedrive.Forcorrectprotection

• SetP1‐14=201

• EntertheresistanceofthebrakeresistorinP6‐19(Ohms)

• EnterthepowerofthebrakeresistorinP6‐20(kW)

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