Invertek Drives OPTIDRIVE P2 Series - Page 24

OptidriveODP‐2UserGuideRevisions1.30
24
www.invertekdrives.com
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4ElectricalInstallation
4.10.7.1. Recommended“STO”wiring
UsinganExternal24VdcPowerSupply.  Usingthedriveson‐board24Vdcsupply
 
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
 
Note:TheMaximumcablelengthfromVoltagesourcetothedriveterminalsshouldnotexceed25mtrs.
4.10.8. ExternalPowersupplySpecification.
VoltageRating(Nominal) 24Vdc
STOLogicHigh 18‐30Vdc(Safetorqueoffinstandby)
CurrentConsumption(Maximum) 100mA
4.10.9. SafetyRelaySpecification.
Thesafetyrelayshouldbechosensothatatminimumitmeetsthesafetystandardsinwhichthedrivemeets.
StandardRequirements SIL2orPLdSC3orbetter(WithForciblyguidedContacts)
NumberofOutputContacts 2independent
SwitchingVoltageRating 30Vdc
SwitchingCurrent 100mA
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.
4.10.1. 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th
edrivestilldisplays“Inhibit”and
thattheoperationisinlinewiththesection4.10.4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sto
psandthattheoperationisinlinewiththesectionand
section
Wiresshouldbe
protected
againstshort
circuitsas
shownabove