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8 Parameterization
8.3
Limit value monitoring functions
The limit value and switching differential in the general limit value monitoring functions are also adjust-
able in the parameterization. The prerequisite for this is that limit value monitoring has been previously
configured.
chapter 7.13 "Limit value monitoring functions", Page 129
Limit value and switching differential can be configured in the configuration as well as via an interface.
Device dialog box
Parameter
Parameter
Channel designa-
tion
Channel descrip-
tion
Signal source
Limit value
Switching differ-
ential
194
Selection/settings
None
None
None
-99999 to 0 to +99999
0 to 99999
Description
Name (abbreviation), as configured.
Description (designation), as configured.
Input signal of limit value monitoring (sig-
nal to be monitored), as configured.
If the limit value is exceeded (max. alarm
case) or the value drops below the limit
(min. alarm case), an out-of-limit case
exists.
The switching differential is used to sup-
press constant switching of the status
signal in the event of fluctuations of the
input signal around the limit value.
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