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