8400 HighLine | Parameter setting & configuration
Function library
Function blocks | L_NLim_1
992 L Firmware ≤ 05.00 - DMS 4.2 EN - 02/2010
The parameterised blocking zones have the same effect on negative input signals.
A blocking zone is deactivated by entering identical limit values (in our example:
Blocking zone 3).
Overlapping of blocking zones
If blocking zones overlap, the lowest and highest value of the overlapping zones form a
new zone.
In this case, the status display (wState output) will also just display one zone (the lower one
of the two original zones).
Abutting blocking zones
If two blocking zones abut (e.g. 20 ... 30 % and 30 ... 40 %), the limit value between the two
zones (in this example 30 %) is also passed through.
The same applies to a limit range of 0 ... xx %. At the zero crossing of the nIn_a input signal,
a value of "0" is also output at the nOut_a output. Value "0" cannot be excluded. If the
nIn_a input signal drops back to "0", the nOut_a output will retain the upper limit value.
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