Light Sensor BOW-LUX For daylight regulation applications Supplied by smart-house For ceiling mounting Channel coding by BGP-COD-BAT OPUS housing INPUT SPECIFICATIONS Signal inputVisible light Spectral range330 – 720 nm Infrared rejection filter Spectral peak 580 nm Viewing angle26° Optical range 0 – 100 Lux 400 – 500 Lux at table height is approximately 25 Lux measured by the sensor, depending on the reflection factor and the distance Response time9 cycles ≤ 1224 ms @ 128 channels GENERAL SPECIFICATIONS Power-on delay≤ 1 s Environment Degree of protectionIP 20 Pollution degree 3 (IEC 60664) Operating temperature 0 to 50 °C (32 to 122°F) Storage temperature -20 to 85°C (-4 to 185°F) Humidity (non condensing)≤ 85% Material OPUS 66 housing 66 x 66 x 35 mm Weight 60 g Standards IEC 60669, EN 55022/ EN 50081-1 and EN 55024/ EN 50082-1 SUPPLY SPECIFICATIONS Power supply Supplied by smart-house Current consumption ≤ 4 mA TYPE SELECTION Supply Color Ordering no. By smart-houseWhite BOW-LUX MODE OF OPERATION Coding With the BGP-COD-BAT program- ming unit, each channel can be assigned any address between A1 and P8 via the programming con- nection on the PCB. For connection of BGP-COD-BATtoa module, the cable GAP-TPH-CAB must be used. The allocation of the channels is as follows: Channel Default Description address Sync. input signal. It is retained permanently, but may be overwritten at any time. Functions and programming For transmission of light levels from the light sensors, channel 2 (A2) is used as output for serial data. Channel 1 (A7) is also used for transmittingdata.The channel is used as an input for synchronizing the serial data. In the configuration software for the Controller, the channel must be selected as a "Daylight sync." channel. The Controller will then automatically generate the sync. signal used for the controller and the light sensor. Mounting The sensor must be mounted in the ceiling and directed towards the floor. It is important to place the sensor where it will not be hit by any direct sunlight during the day. It is also important that the sensor is placed correctly in the room. Since it can be difficult to find the ideal place the first time, it may be nec- essary to change the placement of the sensor if the regulation during the day is not optimum. As a starting point, the sensor should be placed in the area, where the sunlight contributes least to the total light in the room. This means is regulated by a sensor placed within this area, while an area away from the windows is regulat- ed by its own sensor. In this area, a larger amount of lighting will usual- ly be needed to maintain a homo- geneous light level in the room. The sensors must be placed so that they have a free view. This means that no large objects, like big flowers, shelves etc. must be placed under the sensors. In addition, it is important that no kind of up-light is placed near the sen- sors, or that the area around the sensorisnotlitupwithfor example table lamps, which are not 1B1 for light level data Only one channel in the smart- house system needs to be con- figured as sync. channel, independ- that in most cases it will be recom- mended to place the sensor at the back of the room in relation to the connectedtotheDaylightcon- troller. 2A2Light level output The coding of the sensor can be carried out without smart-house ently of the number of light con- trollers and light sensors. All sync. channels of the modules just have to be configured to the same chan- nel selected in the Controller. windows. It is advantageous to split up a room in several light groups: one area (light group) close to the windows Specifications are subject to change without notice (01.12.2009) - A product of the CARLO GAVAZZI Group
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