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Setting the parameters
KNX eTR 205/206 Light push button
• Version: 16.12.2020 • Technical changes and errors excepted
If separate variables are used, select whether the variable of the 2nd stage is a 1-bit ob-
ject (on/off) or an 8-bit object (on with percentage value/off).
Now specify what should be sent when the control is blocked. Set a value greater 0
(=OFF) to receive a basic heating stage, e.g. for floor heating. On release, the control
variable follows the rule again.
9.5.2. Cooling control stage 1/2
If a cooling control mode is configured, one or two setting sections for the cooling lev-
els are displayed.
In the first stage, cooling is controlled by a PI controller in which either control param-
eters or predetermined applications can be selected.
In the second stage (therefore only ifor 2-stage cooling), cooling is controlled via a PI
or a 2-point-control.
In stage 2, the setpoint deviation between the two stages must also be specified, i.e.
beyond which setpoint value undershoot the second stage is then added.
PI controller 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. In case of a short reset time, the control responds with a fast increase of the con-
trol 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 deviation is
Control variable is on
• 1-bit object
• 8-bit object
Value (in %)
(for 8-bit object)
0...100
When blocked, the control variable should
• not be sent
• send a specific value
Value (in %)
only if a value is sent
0...100
Setpoint difference between stages 1 and 2
stages (in 0.1°C)
(At stage 2)
0...100; 40
Control type
(at stage 2, no common variables)
• 2-point-control
• PI control
Control variable is on
(for stage 2 with 2-point control, no com-
mon variables)
• 1-bit object
• 8-bit object
Control type
•
PI control
Setting of the controller by
•
Controller parameter
• specified applications
Summary of Contents for 71160
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