Pilz PMCprimo DriveP.06/AA0/4/0/0/208-480VAC - Manual (Page 24)

Function description
Operating Manual PMCprotego S2­2(­C)
1002529­EN­02 24
Timing diagram: STO is started once the STO delay time has elapsed
Braking ramp
v
t t1
SS1 Activate
1
0
STO Acknowledge
1
0
STO delay time
Tolerance window
Braking ramp
Limit value
Standstill detection
Reset
1
0
STO
Ready
1
0
t2
Timing diagram: STO is started during the STO delay time
v
t t1
SS1 Activate
1
0
STO Acknowledge
1
0
Reset
1
0
STO
Ready
1
0
t2
Braking ramp
STO delay time
Tolerance window
Braking ramp
Limit value
Standstill detection
Fig.: Safety function SS1
} t
1
: Activation of safety function SS1
} t
2
: Activation of safety function STO