Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 35)

Function description
Operating Manual PMCprotego S1­2(­C)
1002528­EN­02 35
The following diagrams illustrate the sequences, with and without the tolerance range activ­
ated.
Timing diagram without tolerance range activated
v
t
SS1 SIL3/Reset
1
0
1
0
Limit value
Maximum speed
1
0
1
0
1
0
SS1 Activate
Ready
STO Acknowledge
1
0
SSR Activate
SSR delay time
ta te Limit value
Minimum speed
SSR
SSR
SRA Safe Range
Acknowledge
Fig.: Safety function SSR without tolerance range activated
} t
a
: Activation of safety function SSR
} t
e
: Once the SSR delay time has elapsed, the speed is monitored
} SS1 Activate: Input for safety function SS1
} SS1 SIL3/Reset: Input for SIL 3 and reset
} SSR Activate: Input for safety function SSR
} 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