![background image](http://html1.mh-extra.com/html/elsner-elektronik/knx-b8-th/knx-b8-th_installation-and-adjustment_2396602033.webp)
32
Parameter settings
Interface KNX B8-TH
• Version: 24.08.2016 • Technical changes and errors excepted.
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.
In case of a common control variable for heating and cooling, 0 is always transmitted
as a fixed value.
PI control with predetermined application:
This setting provides fixed parameters for a cooling ceiling
Now specify what should be sent when the control is blocked.
On release, the control variable follows the rule again.
2-point-control (only level 2):
2-point-control is used for systems which are only set to ON or OFF.
Enter the hysteresis that prevents frequent on/off switching of temperatures in the
threshold range.
Maximum control variable is reached
at setpoint/actual difference of (in °C)
0...5
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
Maximum control variable is reached
at setpoint/actual difference of (in °C)
Cooling ceiling: 5
Reset time (in min.)
Cooling ceiling: 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
is determined at a higher level for common
variables
•
2-point-control
Hysteresis (in 0.1°C)
0...100; 20