Function | Configuration lock
RF/TP media coupler/repeater | Order no. 5110 00 | 51103300
Page 28 of 42
This state should only be configured in a KNX installation within the context of
system commissioning. During normal operation of a KNX system after com-
missioning, it is always recommended to activate the filter function of the
group telegrams in both communication directions. This is realised by the
parameter settings "filter" (default setting) or "lock".
–
LED flashes yellow:
This display function also depends on the parameter settings. The parameter
"Function of the yellow status LEDs" defines how the display acts .
–
LED briefly changes between red and yellow:
Device test at a device restart after power is restored or after an ETS program-
ming process.
–
LED lights up yellow:
Repeater prog. mode active for devices with marking "I02" or higher.
The priority of the described display functions is fixed. Programming mode has the
highest display priority. As a result, when programming mode is active, the red light-
ing of the status LED overrides all other display functions. Safe-state mode has the
second-highest display priority. The slow red flashing of the safe-state mode over-
rides the quick red flashing of the filter function display (third display priority) and this,
in turn, overrides the yellow status function (fourth display priority).
8.4
Configuration lock
Function of the configuration lock
By using the ETS, the device can be programmed and commissioned either via the
TP side (e.g. with a suitable KNX TP USB or IP data interface) or as an alternative,
via the RF side (e.g. with a KNX RF USB data interface). As needed, it is also pos-
sible to prevent programming access to the device depending on the medium and so
prevent changes to the configuration. This allows unwanted programming attempts
(e.g. for unauthorised manipulation) to be suppressed to a great extent.
Locking or forwarding group telegrams, physically addressed telegrams and
broadcast telegrams (routing) are not affected by the configuration lock. With
the safe-state mode, the configuration lock can be temporarily cancelled in
media/segment coupler operation (see chapter "Safe-state mode"
If the device is working exclusively as a repeater (physical address
x.y.1...255), it is only possible to program the application program and read out
device information via the RF side! Thus, the configuration lock is always act-
ive on the TP side. In this case, the lock cannot even be released in safe-state
mode.
Only changing the physical address back to x.y.0 ends the pure repeater oper-
ation and makes the device a media coupler again, whereupon the configura-
tion lock can be configured.
The configuration lock is deactivated on the device in delivery state.