Installation Instructions

TECHNICAL MANUAL GS 4x.10 KNX – ENGLISH
33
8.4 Temperature control – Main level and extra level heating / cooling
(Picture shows main level heating, PI control with output: PWM)
Designation
Options
Description
Control type
PI control
Selection of control type.
Proportional band
1 to 8 K
Reset time
15 to 240 Min.
Control value
output format
Percent
Byte
PWM
Definition of the control value output format.
PWM cycle
5 to 30 Min.
Depending on the output format the cycle is defined in percent, byte or
minutes.
Min. control value
0% to 95%
0 to 240 Byte
Depending on the output format the minimum control value is defined in
percent or byte here.
Max. control value
5% to 100%
0 to 255 Byte
Depending on the output format the maximum control value is defined in
percent or byte here.
Control value in case of
sensor error
0% to 100%
0 to 255 Byte
Depending on the output format the control value is defined in percent or byte
here.
Send control value
when changing
Disabled
Enabled
No function.
If there is a change the recent control value is sent.
2-point
Hysteresis (symmetrical)
0,5 K to 5 K
The hysteresis can prevent a frequent switching for fast and small changing
values.
Control value in case of
sensor error
Off
On
In case of sensor error, the value „off“ is sent.
In case of sensor error, the value „on“ is sent.
Send control value
when change-over
Disabled
Enabled
No function.
Bei einer Umschaltung (Änderung) wird die aktuelle Stellgröße gesendet.
Control direction
of control value
Normal
Inverted
Send control value
cyclically
Disabled
Every minute – once a day
No function.
Cyclic sending of the recent control value.