Pilz PSSu K F FCU User Manual
Page 14
Function description
Operating Manual PSSu K F FCU
1002391-EN-04
14
WARNING!
When wiring an output with capacitance it is essential to note the pulse du-
ration, repetition period and scan time of the power-up test, otherwise the
load may switch on unintentionally.
On and off test for single-pole outputs
t2
t1
t1
t3
t1
t
t3
t1
t
U
1
0
1
0
}
t
1
Pulse duration of on/off test (200 μs)
}
t
2
Cycle time of on/off test when test is repeated (approx. 4 ms)
}
t
3
Cycle time of on/off test in normal circumstances (approx. 2 ms)
On and off test for dual-pole outputs
}
t
1
Pulse duration of on test (1 ms) and off test (100 μs)
}
t
2
Waiting period in on/off test (approx. 4 ms)
}
t
3
Pulse duration of discharge voltage test (approx. 150 μs)
}
t
4
Cycle time of on/off test in normal circumstances (approx. 2 min)