Function description
Operating Manual PMCprotego S2-2(-C)
1002529-EN-04
32
Timing diagram with tolerance range activated
v
t
Reset
1
0
1
0
Limit value
Speed +
1
0
1
0
1
0
SS1 Activate
Ready
STO Acknowledge
1
0
SLS Activate
SLS delay time
ta
te
SLS
t1
t1
t2
Limit value
Speed -
Tolerance amount
Tolerance amount
ts
SRA Safe Range
Acknowledge
Fig.: Safety function SLS with tolerance range activated
}
Tolerance amount as % of the speed limit value
}
t
a
: Activation of safety function SLS
}
t
e
: Once the SLS delay time has elapsed, the speed is monitored
}
t
s
: Speed v exceeds the limit value and activates the tolerance range (tolerance
amount, tolerance time, tolerance period)
}
t
1
: Tolerance time
}
t
2
: Tolerance period
}
SS1 Activate: Input for safety function SS1
}
Reset: Input for reset
}
SLS Activate: Input for safety function SLS
}
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
