User Manual

Logical I/O blocks
General functions
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Prio Use
1 Prio 7…16 Assumption: The effective switch command from priority (7…16) is
Off
and is set to active.
Prio 6 Assumption: Priority 6 is not active.
[PrVal] Assumption: The [PrVal] output is set to
Off
.
2 Prio 7…16 The effective switch command from priority (7…16) switches from
Off
to
Stage 2
.
Prio 6 Priority 6 adopts the (still unchanged) present value [PrVal=Off] and is set to active.
At the same time, the switch-on delay [DlyOn] starts. Throughout the delay time, priority 6 remains
active – the associated value remains
Off
.
[PrVal] Since priority 6 overrides the effective switch command from priority (7…16), the [PrVal] output
remains
Off
.
3 Prio 7…16 n/a
Prio 6 1. After expiry of the switch-on delay [DlyOn], priority 6 is released.
2. The effective switch command
Stage 2
from priority (7…16) is transmitted to the [PrVal] output.
3. Priority 6 adopts the new value of [PrVal] and is set to active again. At the same time, the minimum
switch-on time [TiOnMin] is started. Priority 6 remains active throughout this monitoring time.
[PrVal] The [PrVal] output changes from
Off
to
Stage 2
.