elsner elektronik 70121, Установка и настройка

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18 Setting parameters
Temperature Sensor KNX T-AP • Version: 27.01.2020 • Errors excepted. Subject to technical changes.
In the 2nd level (therefore only for 2-level cooling), cooling is controlled via a PI or a 2-
point-control.
In level 2, the setpoint deviation between the two levels must also be specified, i.e.
above which setpoint value deviation the second level is added.
PI control with control parameters:
This setting allows individual input of the parameters for PI control.
Specify the deviation from the setpoint value which reaches maximum variable value,
i.e. the point at which maximum cooling power is activated.
The reset time shows how quickly the controller responds to deviations from the set-
point value. In case of a short reset time, the control responds with a fast increase of
the control variable. In case of a long reset time, the control responds somewhat less
urgently and needs longer until the necessary control variable for the setpoint value
deviation is reached. You should set the time appropriate to the cooling system at this
point (observe manufacturer's instructions).
Now specify what should be sent when the control is blocked.
On release, the control variable follows the rule again.
PI control with predetermined application:
This setting provides fixed parameters for a cooling ceiling
Setpoint difference between 1st and 2nd
level (in 0.1°C)
(for level 2)
0...100; 40
Control type
(for level 2, no common control variables)
• 2-point-control
• PI control
Control variable is a
(for level 2 with 2-point controlling, no
common control variables)
• 1 bit object
• 8 bit object
Control type • PI control
Setting of the controller by • Controller parameter
• specified applications
Maximum control variable is reached
at setpoint/actual difference of 1°C • 2°C • 3°C • 4°C • 5 °C
Reset time in min. 1...255; 30
When blocked, the control variable shall • not be sent
• send a specific value
Value (in %)
(if a value is sent)
0...100
Control type • PI control
Setting of the controller by • Controller parameter
•
specified applications
Application • Cooling ceiling