CP EBDHS-KNX Produkthandbuch - Seite 7
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Seite druckenConfiguration
Configuration of the presence detector and associated logic functions is via the ETS tool, available from the KNX
association. Start the process by downloading the device catalogue from www.cpelectronics.co.uk and importing it into
ETS. Once imported, the device can be added to a project and assigned an individual address in the normal way.
The detector is configured via the Parameters tab, and all options are grouped by function as previously described.
Group objects will be automatically enabled and disabled based on the chosen parameters.
Once the relevant parameters have been configured, group addresses may be assigned to detector functions, allowing
the detector to communicate with other devices on the KNX bus. Finally, a download function is performed to write the
settings and configuration to the detector.
The detector may be placed into programming mode using the programming pushbutton on the rear of the unit, or by
using the optional UHS5 infra-red remote control. When the device enters programming mode, a red LED is illuminated
on the rear of the unit, and also through the sensor aperture. Once programmed, the device will leave programming
mode automatically.
General settings
The general configuration tab contains settings which relate to general operation of the detector, such as sensitivity,
timeouts and whether the walk test LED should be enabled or disabled. Settings made in this section will also affect
inputs to the various controllers detailed below, with the exception of the basic movement detection controller.
The detector contains a light sensor for use as part of the constant brightness controller, and to send light level readings
to other devices on the KNX bus. It is important to note that the light sensor requires calibration in order to produce real
lux values, and this calibration should take place once installed using a light meter.
To perform a calibration, the light level multiplier should initially be set to 1.0. The room should be furnished as reflected
light (e.g. from uncovered floor tiles) will dramatically change the measured value. Using the ETS group monitor, record
several lux values for different levels of illumination, with the light meter placed normally within the room. It will be
necessary to assign a group address to the light level output group object.
Once these values have been recorded, the multiplier can be calculated as follows:
lightmetervalue
Multiplier =
detectorvalue
An average of the calculated multiplier values yields a multiplier of 1.121.
KNX function and configuration
Light meter value
For example.
590
928
Detector value
Calculated Multiplier
534
1.105
816
1.137
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