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ABB i-bus
KNX
Commissioning
3.4
Special operating states
3.4.1
Reaction on bus voltage failure
In the event of a bus voltage failure, the Split Unit Gateway sends no infrared commands.
3.4.2
Reaction on bus voltage recovery
Input objects are initialized at 0.
Status objects are sent according to the "Send status values after bus voltage recovery, download and
ETS reset" parameter on the "Status objects" page.
Sending delays parametrized on the "General" parameter page are taken into account.
IR commands to the split unit are sent according to the "Reaction on bus voltage recovery, download and
ETS reset" parameter on the "General" page.
Priorities are not active.
Timers (On/Off delay, window switching off delay, presence monitoring time, boost function duration) are
reset and the action set to occur when the timer has finished is executed.
3.4.3
Reaction on ETS download
Input objects are initialized at 0. This excludes the input objects On/Off delay, Temperature limit, Forced
operation, Window contact, Presence and Boost. These are initialized according to the operating state
before the download.
Status objects are sent according to the "Send status values after bus voltage recovery, download and
ETS reset" parameter on the "Status objects" page.
Sending delays parametrized on the "General" parameter page are taken into account.
IR commands to the split unit are sent according to the "Reaction on bus voltage recovery, download and
ETS reset" parameter on the "General" page.
Priorities remain unchanged (for more information, see: chapter 3.2.3, page 26).
Timers (On/Off delay, window switching off delay, presence monitoring time, boost function duration)
restart if they were active before the download.
SUG/U 1.1 | 2CDC508171D0201 45
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