Function description
Operating Manual PMCprotego S2-2(-C)
1002529-EN-04
34
Timing diagram without tolerance range activated
v
t
Reset
1
0
1
0
Limit value
Maximum speed
1
0
1
0
1
0
SS1 Activate
Ready
STO Acknowledge
1
0
SRA Safe Range
Acknowledge
SSR Activate
SSR delay time
ta
te
Limit value
Minimum speed
SSR
SSR
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
}
Reset: Input for 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
