Siemens QMX3.P30 Instruction Manual page 10

Commissioning (plug & play, KNX PL-Link)
Step With
display
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3a
3b
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QMX3... Wall-mounted sensors and room operator units for KNX PL-Link, KNX S-mode and KNX LTE-Mode
Siemens Building Technologies
When only one device is connected to the KNX PL-Link bus, the room operator
unit automatically establishes communications with the room automation station,
from where the functions are downloaded to the room operator unit (plug & play).
The following routine is executed:
Description
The Build number and the version number of the device are
displayed.
The Individual Address (IA) is downloaded to the device via
KNX PL-Link.
This step is skipped if the device is already configured.
Note: The configuration file can be downloaded any time; as a
result, these characters are displayed every time the room
automation station initializes download.
After startup, the device goes to normal operation
(example view; picture depends on application in room
automation station).
When configuration is faulty, "UCFG" is displayed, along with
the temperature that is measured by the local temperature
sensor.
In this case, manual commissioning must be performed (see
above).
CM2N1602en_07
2017-05-22