Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 42)

Function description
Operating Manual PMCprotego S1­2(­C)
1002528­EN­02 42
– A tolerance window may be specified for standstill monitoring. If the value is ex­
ceeded, safety function SS1 (E­STOP braking ramp) is activated.
Timing diagram without automatic activation
v
s
t
SS1 SIL3/Reset
1
0
1
0
Maximum
increment
1
0
1
0
1
0
SS1 Activate
Ready
STO Acknowledge
1
0
SRA Safe Range
Acknowledge
SLi Activate
SLI delay time
ta te
Limit value
Speed
SLI
SLi
Maximum
increment
Limit value
Standstill
s (t)
v (t)
Fig.: Safety function SLI without automatic activation
} t
a
: Activation of safety function SLI
} t
e
: Once the SLI delay time has elapsed, the increment is monitored.
} SS1 Activate: Input for safety function SS1
} SS1 SIL3/Reset: Input for SIL 3 and reset
} SLI Activate: Input for safety function SLI
} Ready: Output for operating status of safety card and second output for feedback from
safety function STO
} STO Acknowledge: Output for feedback from safety function STO
} SRA Safe Range Acknowledge: Output for monitoring the limit value on the motor