Function description
Operating Manual PMCprotego S12(C)
1002528EN03
43
Timing diagram with 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)
Maximum
increment
Maximum
increment
SOS
SOS
Standstill time
SLI
SLi
Tolerance window
Standstill monitoring
1
0
SSA Safe Standstill
Acknowledge
Fig.: Safety function SLI with 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
}
SSA Safe Standstill Acknowledge: Output for feedback from monitoring the standstill
limit value
