User Manual
Logical I/O blocks
General functions
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Prio Use
[PrVal] When priority 6 ceases to take effect, the [PrVal] output is once again determined by the effective
switch command from priority (7…16).
The [PrVal] output remains at
Stage 2
.
Example: Effect of priorities 1...5 on [PrVal]
Prio Use
1 Prio 1…5 Assumption: All information bits for priorities 1…5 are inactive.
Prio 6 Assumption: Priority 6 is not active.
[PrVal] Assumption: The [PrVal] output is set to
Off
.
2 Prio 1…5 At least one of the information bits for priorities (1…5) is active again. The effective switch command
from priority (1…5) is
Off
.
Prio 6 Since the effective switch command for priority (1...5) does not cause a change in the [PrVal] output,
priority 6 remains inactive.
[PrVal] The output value [PrVal] remains at
Off
.
3 Prio 1…5 The effective switch command from priority (1…5) switches from
Off
to
Stage 1
.