Application
Ref. no. 2103 REG ES
Page 16
of 44
In this context, the resulting negative costs can be interpreted as a remuneration.
If there is a power failure to the KNX system, the values of the Rate counters are
backed up and reloaded to the appropriate communication objects on restarting.
The following table summarises the properties of the cost counters:
Cost counter, Rate 1
Cost counter, Rate 2
Cost counter, Rate 3
Basic energy counter
Three-phase current
counter, Rate 1
Three-phase current
counter, Rate 2
Three-phase current
counter, Rate 3
Resettable
Only synchronous to
three-phase current
counter,
Rate 1 via
communication object
Only synchronous to
three-phase current
counter,
Rate 2 via
communication object
Only synchronous to
three-phase current
counter,
Rate 3 via
communication object
Automatic
reset
Never Never Never
Cyclical transmission
possible
Yes Yes Yes
Transmission possible
on change
Yes Yes Yes
Readable
communication object
Yes Yes Yes
Value after ETS
download / power failure
/ restart
According to
three-phase current
counter, Rate 1
According to
three-phase current
counter, Rate 2
According to
three-phase current
counter, Rate 3
Table 2:
Properties of the cost counter