Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 45)

Function description
Operating Manual PMCprotego S1­2(­C)
1002528­EN­02 45
} If an increment of the position range or the speed is exceeded, the safety function SS1
(E­STOP braking ramp) is activated.
Options
} Always monitor position
Maximum and minimum position are permanently monitored, irrespective of whether
the safety function is activated. It is no longer necessary to activate the safety function
via the input "SLP Activate" on the safety card. "SLP Activate" must always have a "0"
signal.
INFORMATION
When you use the "Always monitor position" option, make sure that the axis
can be reset to the permitted range after the limit value is exceeded.
Timing diagram
s
t
SS1 SIL3/Reset
1
0
1
0
Limit value, maximum
absolute position
s (t)
1
0
1
0
1
0
SS1 Activate
Ready
STO Acknowledge
SLP
1
0
SRA Safe Range
Acknowledge
SLP Activate
Limit value, minimum
absolute position
SLP
ta
SLP delay time
te
Fig.: Safety function SLP
} t
a
: Activation of safety function SLP
} t
e
: Once the SLP delay time has elapsed, the speed is monitored
} SS1 Activate: Input for safety function SS1
} SS1 SIL3/Reset: Input for SIL 3 and reset
} SLP Activate: Input for safety function SLP