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Parameter setting
Sensors Intra-Sewi KNX T and Intra-Sewi KNX TH
• Version: 11.06.2018 • Technical changes and errors excepted.
5.7.
Humidity threshold values
The chapter "Humidity threshold values" only applies to the Mini-Sewi
KNX TH model.
Activate the required air humidity threshold values. The menus for setting the th-
reshold values are displayed.
5.7.1. Threshold value 1, 2, 3, 4
Threshold value
Set, in which cases
threshold values and delay times
received via objects are to be
retained. The parameter is only taken into consideration if the setting via object is ac-
tivated below. Please note that the setting "After power supply restoration and pro-
gramming" should not be used for the initial start-up, as the factory settings are always
used until the first communication (setting via objects is ignored).
Set the threshold value directly in the application program using parameters, or define
them via the bus using a communication object.
Threshold value setting using parameter:
Set the threshold values and hysteresis directly.
Threshold value setting using a communication object:
Define, how the threshold value is to be received from the bus. Basically, a new value
can be received, or simply a command to increase or decrease.
During initial commissioning, a threshold value must be defined, which will be valid
until the first communication with a new threshold value. For units which have already
been taken into service, the last communicated threshold value can be used. Basically,
a humidity range is specified in which the threshold value can be changed (object value
limit).
A set threshold value will be retained until a new value or a change is transferred. The
current value is saved, so that it is retained in the event of a power supply failure and
will be available once the power supply is restored.
Use threshold value 1/2/3/4
Yes • No
Maintain the
threshold values and delays received via
communication objects
• never
• after power supply restoration
• after power supply restoration and
programming
Threshold value setting using
Parameter
• Communication objects
Threshold value in 0.1% RH
1 … 1000; 650
Summary of Contents for Intra-Sewi KNX T
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