7-71 Before Using the Products2 Preparation3 Connection4 Setup5 Adjustment6 When in Trouble7 Supplement1. Safety functionTiming ChartReturn timing from safety state*1 Photocouplers for safety input 1 and 2 should be turned on again with servo-on inputturned off. Otherwise, alarm occurs, and should be cleared.Alarm clear should be performed after the safety input 1 and 2 have been turnedback to on.Otherwise, alarm occurs.*2 This is an alarm condition and the dynamic brake operates according to Pr5.10 Se-quence at alarm.*3 This is normal servo-off condition and the dynamic brake operates according toPr5.06 Sequence at servo-off.input coupler OFF(Servo-OFF command) input coupler ON(Servo-ON command)output coupler OFF(not ready) output coupler ON(ready)output coupler OFF(Alarm) output coupler ON(not Alarm)input coupler OFF input coupler ONoutput coupler OFF (Break engage)input coupler ONinput coupler OFFoutput coupler ONgenerated alarm Servo-OFFoutput coupler OFFnot-energizedServo-ON input(SEV-ON) *1Safety input 1Safety input 2Motor energizationEDM outputDynamic brakeServo-Ready output(S-RDY)Servo-Clear intput(ALM) *1Servo-Alarm output(ALM)External brakerelease output(BRK-OFF)max 6msreleased/engaged *2 released/engaged *3Once the servoon command isinput, theoperationproceeds insynchronouswith normalservo on/offtiming.(Refer to P.2-30“Timing Chart”)Related page • P.4-44 “Pr5.06” • P.4-45 “Pr5.10”