ABB i-bus FCC/S 1 1 Series Product Manual page 241

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ABB i-bus KNX
Parameters
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7.7.2.1.1.1 Dependent Parameter
Control value after exceeding monitoring time / Control value on input fault
This parameter is only visible if the Temperature input monitoring parameter has not been deacti-
vated.
The name of the parameter is dependent on whether the group objects or a physical input is moni-
tored as the temperature input.
Options:
The control value specified here becomes active if the monitoring time is exceeded or if there is an
error on the device input monitored. The control value applies to heating or cooling, depending on
which was active at the time of the alarm. In addition, the device changes to the Building Protection
operating mode.
The monitoring of the temperature value is important because the controller cannot calculate any
control values for the outputs without a valid room temperature value. To protect the system, using
this parameter it is possible to specify a certain control value to prevent, e.g., cooling of the room.
The control value set here remains active until the error on the input has been rectified or a new
temperature value has been received via the bus.
If a physical device input is monitored, the device automatically checks every minute whether the
input is signaling an error. If this is the case, the device changes to the control value set. For this
reason it is not necessary to specify a time for monitoring an input.
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7.7.2.1.2 Dependent Parameter
Monitor receipt of group object "Operating mode"
This parameter is only visible if the Device function parameter has been parameterized with the
Controller option.
Options:
The monitoring of the Operating mode group object is activated using this parameter. The regular
changeover of the operating mode can be monitored using this parameter. Because this
changeover is generally triggered by a higher-level device, such as a visualization or building con-
trol system, it is therefore also monitored whether the higher-level device is active.
• Deactivated: The monitoring of the Operating mode group object is deactivated.
• Activated: The monitoring of the group object is active. The dependent parameters Time
interval for cyclical monitoring and Operating mode after exceeding monitoring time as well as
the Error: operating mode receipt group object are enabled.
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7.7.2.1.2.1 Dependent Parameter
Time interval for cyclical monitoring
Options:
The monitoring time within which the group object must be received is specified using this parame-
ter. Otherwise the Error: operating mode receipt alarm object is changed to alarm and the value
set in the Operating mode after exceeding monitoring time parameter applies.
0...25...100
Note
Deactivated
Activated
00:00:30...00:05:00...18:12:15
FCC/S 1.X.X.1 | 2CDC 508 200 D0211 Rev A 241