ABB i-bus
®
KNX
Parameters
FCC/S 1.X.X.1 | 2CDC 508 200 D0211 Rev A 254
7.8.1.1.4.1
—
Dependent Parameter
Purge cycle in weeks
This parameter is only visible if the
Automatic or triggered by object
option has been selected.
Options:
1…4…12
The cycle for the automatic valve purging is set using this parameter.
The internal automatic purge timer starts directly after a download. The time is reset with each
download.
The time is reset as soon as purging is completed. This can occur either through automatic purging
or via the group object
Trigger purge
.
Note
After bus voltage recovery and download, the automatic purging cycle is restarted. The time be-
fore bus voltage failure is not considered.
If the purge cycle is triggered simultaneously for two valves, the purging is undertaken sequen-
tially and not at the same time.
7.8.1.1.4.2
—
Dependent Parameter
Reset purge cycle from control value greater than or equal to
Options:
1…99
Hereby, the purge cycle is reset to the set control value if it is exceeded.
7.8.1.1.4.3
—
Dependent Parameter
Send group object "Status Valve purge"
Options:
No, update only
On change
Cyclically
On request
After a change or on request
After a change or request and cyclically
This parameter defines when the
Status Valve purge
group object is to be sent.
•
No, update only
: With this option only the object value for the group object is updated, however
this value is not sent over the bus.
•
On request
: The valve purging status value is sent on the receipt of a command via the
Request status values
group object.
•
On change
: The value is sent on a change in the object value (e.g. change from 0 to 1).
•
Cyclically
: If this option is selected, the status value is sent automatically after an adjustable
time has elapsed. The
Every
dependent parameter is displayed.
•
After a change or request
: The status is sent on request and on a change.
•
After a change or request and cyclically
: The status is sent on request and on a change and
cyclically. The
Every
dependent parameter is displayed.
