User Guide

WiringdiagramofelectromagneticlockingNPNtypesafetydoorlockmulti
lockcascadeandSCDA127R/N
OSSDoutputselfdiagnosistiming
TRL1safetylockhasoutputselfdiagnosisfunction.DuringtheTRL1safetylockoutputcontinuity,theTRL1safetylock
internalcontroltimingcontrolunitperiodicallyandactivelyturnsofftheOSSDAandOSSDBoutputsinturn.Duringthebrief
shutdownofOSSDAorOSSDB,theTRL1safetylockinternaltimingcontrolunitdetectswhetherOSSDAorOSSDBisindeed
closed.Ifitisindeedclosed,thecorrespondingOSSDswitchisinnormalworkingstate.IfOSSDisnotdetectedtobeclosed,
thecorrespondingOSSDfails,andthesystemwillimmediatelyshutdownbothOSSDs.Atthistime,theTRL1safetylockred
indicatorflashestoensurefunctionalsafety.Therefore,whentheloadconnectedtothesafetylockisaPLCorafastintelligent
devicewithMCUcontrol,itisnecessarytofiltertheself-testpulseintheprogram.ThefollowingfigureistheTRL1safetylock
selfdiagnosisoutputwaveformsequencediagram.
※DevicesconnectedtotheOSSD,suchassafetyrelaysorcontactors,shouldnotreacttothesetemporary,selfdiagnosticshutdownsignals.
ON
OFF
OSSDA
ON
OFF
OSSDB
80 80 80 80
80
80 80 80
(ms)
230μs
SCDA127R/N
24V 0V
41
33
23
13
42
34
24
14
A2
S32
S22
S21
S12
S52
S11
A1
L3
L2
L1
M
K1
K2
K2
K1
Unlock
Lock
Pink Brown Black
Yellow
Green
White
Blue
Brown Black
Yellow
White
Green
Pink
Lock
Unlock
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