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S.BUS Servo Description of function of each parameter
*Therearefunctionswhichcanbeusedaccordingtothekindofservo,andanimpossiblefunction.
• ID
DisplaystheIDoftheservowhoseparametersaretoberead.Itcannotbechanged.
• Channel
Channelofthe
S.BUS
systemassignedtotheservo.Alwaysassignachannelbeforeuse.
• Reverse
Thedirectioninwhichtheservorotatescanbechanged.
• Servo type
■ Normal:Normaloperationmode
■ Retract:Landinggearretractmode.Whenaloadisappliedtotheservofor30secondswithout
anychanneloperationperformedfromthetransmitter,thecurrentconsumptionissuppressedby
wideningthedeadbandto40° .Whenchanneloperationisperformedfromthetransmitter,orthe
servoismovedoutsidetheexpandeddeadbandbyanoutsideforce,deadbandexpansionisreset
andreturnstotheoriginaloperation.
■ O.L.P.:ThisistheOverLoadProtectionmode.Whenaservohornhasbeenlockedformorethan5
secondsbyaload,theservooutputturnsofftoprotecttheservo.
*ThenormalmodeandretractmodeareapplicableonlytotheS3171SB,S9071SB,S9072SB,S9074SB,
andS9075SB
• Soft Start
Restrictsoperationinthespecifieddirectiontheinstantthepoweristurnedon.Byusingthissetting,
thefirstinitialmovementwhenthepoweristurnedonslowlymovestheservotothespecifiedposition.
• Stop Mode
Thestateoftheservowhentheservoinputsignalislostcanbespecified.The"Hold"modesetting
holdstheservoinitslastcommandedpositionevenifusingAMorFMsystem.
• Smoother
Thisfunctionchangessmoothnessoftheservooperationrelativetostickmovementchanges.Smooth
settingisusedfornormalflight.Selectthe"OFF"modewhenquickoperationisnecessarysuchas3D.
• Neutral Offset
Theneutralpositioncanbechanged.Whentheneutraloffsetislargevalue,theservo'srangeoftravel
isrestrictedononeside.
• Speed Control
Speedscanbematchedbyspecifyingtheoperatingspeed.Thespeedofmultipleservoscanbe
matchedwithoutbeingaffectedbymotorfluctuations.Thisiseffectiveforloadtorquesbelowthe
maximumtorque.
However,notethatthemaximumspeedwillnotexceedwhattheservoiscapableofeveniftheservos
operatingvoltageisincreased.
• Dead band
Thedeadbandangleatstoppingcanbespecified.
[Relationshipbetweendeadbandsetvalueandservooperation]
Small
ĺ
Deadbandangleissmallandtheservoisimmediatelyoperatedbyasmallsignalchange.
Large
ĺ
Deadbandangleislargeandtheservodoesnotoperateatsmallsignalchanges.
(Note)Ifthedeadbandangleistoosmall,theservowilloperatecontinuouslyandthecurrent
consumptionwillincreaseandthelifeoftheservowillbeshortened.
• Travel Adjust
Theleftandrighttravelscenteredabouttheneutralpositioncanbesetindependently.