XTBA DALI WATCH Manual
Also see for DALI Watch: Manual
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XTBA DALI Watch Manual Page 4 of 26Product # - 03/2013© XTBA 1986 – 2013monitor the line for the data and where required will send information back tothe controller by the same method.No power supply = no communications!Power – from an existing DALI Buss Power SupplyThe XTBA DALI Watch can be powered from an external PSU (via the powerinput socket) or directly from the DALI Buss power – if available.If the XTBA DALI Watch is powered from the DALI Buss (not from its ownsupply) there is nothing more you need to do. If it finds DALI Buss Power itwill turn on, if not it won’t - isn’t technology a wonderful thing!The XTBA DALI Watch takes about 35ma @15V from the DALI Buss (as youasked) or with its external supply connected it will draw nothing from the DALIBuss.DALI Buss Power from the XTBA DALI WatchWhen powered from the XTBA DALI Watches’ external PSU you can addDALI Buss Power if not available. So fixtures can be simply bench tested,installations half completed or sections of an installation can be tested withoutthe need to find another power supply.How can you tell?First connect the XTBA DALI Watch to the DALI data pair. When connected tothe DALI system (and in the main menu loop) if the blue led is off the systemalready has DALI Buss Power connected. So you can now use the XTBADALI Watch.If the blue LED is flashing quickly there is no DALI Buss Power available soyou will need to add power to the Buss.Press the Function button until the following displays:L O C A L B U S S P S U O F FY e s t o t o g g l ePressing the Yes button will turn on Local DALI Buss Power, the blue LED willstop flashing the display will change to tell you what the line voltage is, so youshould be ready to go. Pressing the Function button will take you back into themain menu loop.If you enter this menu when the unit is powered from external Dali BussPower and the Local Buss Power is off the display will change to:L O C A L B U S S P S U O F FU S I N G E X T E R N A L B U S SWhat you need to avoid is turning on Local Buss Power and then connectingto the data pair. As you might end up having two Buss Power supplies on atthe same time. This probably won’t do much harm or the Watch will simplyreset back to the main menu with the Local Buss Power disconnected. |
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