
ABB i-bus® KNX
PARAMETERS
7.4.157
Additional-stage cooling
This parameter is used to define how the additional-stage cooling is used. The controller is preset based
on the selected option.
Option
Deactivated
Additional-stage cooling is deactivated.
Area cooling (e.g. cooling
ceiling)
Additional-stage cooling is set for the use of area cooling. The parameter
is set to the option
PI continuous (0 … 100 %)
with the corresponding P- and I-
proportions.
The following dependent parameter windows are shown:
•
The following dependent parameters are shown:
•
Activate additional-stage cooling via
Free configuration
Additional-stage cooling can be configured as required. The parameter
is preset to the option
PI continuous (0 … 100 %)
but can be changed.
The following dependent parameter windows are shown:
•
The following dependent parameters are shown:
•
Activate additional-stage cooling via
Prerequisites for visibility
– Parameter
\
Option
Controller channel
– Parameter
Basic-stage cooling [controller]
all options except
Deactivated
• The parameter is in the parameter window
.
7.4.158
Forced operation
This parameter is used to activate/deactivate 1-bit or 2-bit forced operation.
More information: →
.
Note
If forced operation is active, operation via group objects, manual operation and i-bus® Tool is blocked.
Higher-priority functions continue to run →
Option
Deactivated
Forced operation is deactivated.
Activated 1 bit – 1 active
Forced operation is activated by the reception of a telegram with the value 1.
The following dependent parameters are shown:
•
Control value on forced operation
The following dependent group objects are displayed:
•
Activated 1 bit – 0 active
Forced operation is activated by the reception of a telegram with the value 0.
The following dependent parameters are shown:
•
Control value on forced operation
The following dependent group objects are displayed:
•
Activated 2 bit
2-bit forced operation is used.
The following dependent parameters are shown:
•
Control value on forced operation active "ON"
•
Control value on forced operation active "OFF"
The following dependent group objects are displayed:
•
Prerequisites for visibility
• The parameter is in the parameter window
Product manual | EN-US | VC/S 4.x.1 | 2CDC508220D0211 Rev. B
145
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