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AusChristmasLighting 101 Manual
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101 display basics
Basic Lighting principals and Advatek help needed.
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[QUOTE="Nojoy, post: 110732, member: 32601"] Hi Ash, I recently bought the Pixlite 16 v2 P&P as well and have gone through the same learning curve. 1(a). The P&P 16 can pass data to up to 510 channels from a single Output in its default state. This means up to 170 RGB pixels (3 channels per pixel). There is an Expansion Mode that can be set if you are only using 3 wire pixels (no clock wire), but this is outside what I'll go into here. 1(b). The P&P 16 comes with 4Amp miniblade fuses pre-installed for each of the 16 outputs. These can be user replaced with up to 7.5A miniblade fuses per Output. 1(c) A WS2811 Pixel strip with 20 pixels per/m over 5m does use 100 pixels (300 channels). 1(d) A strip of 100 pixels running at 100% brightness on full white draws ~66.6Watts and each node draws ~6milliamps (0.06A) per node. So strip of 100 draws ~6Amps at 100% white. Meaning the 4Amp fuse can only handle ~65 pixels at 100%. 1(e). In the Advatek Assistant application, you can set the maximum brightness of each String in the LEDs tab by ticking the Advanced tickbox and selecting the Advanced button. 1(f). To run 100 pixels from that Output without replacing the fuse, the Output brightness needs to be restricted to 65% or less ((0.06*0.65)*100). 1(g). All of the above ignores power requirements. The P&P16 comes with a Meanwell RSP-320-12v PSU pre-installed. Using the common 85% max draw buffer, this means you can have ~272Watts being drawn by the P&P (about 5W buffer) and pixels. 1(h). Your 5m Strip of 100 pixels draws ~66.6Watts at 100% white. If you are already restricting brightness per the above to 65%, this reduces the draw to 43.29W. A single Output can handle this, but the entire draw across the PSU has to be below 272W. You can use online calculators or a multimeter to measure the voltage drop depending on the AWG of the wire, and construction of materials. 2(a). Each Output on the P&P 16 can do up to 510 channels (170 pixels) at maximum. Better to spread the two 100 pixel strips over two Outputs. 2(b). If you keep the 4A fuse, 170 pixels would require Brightness at or below 39%. 2(c). The data sent from the controller out to the pixels corrupts over distance. At 10m, you may see some performance issues (flickering or non-responsive pixels). Adding a null pixel into the mix (3 channels) would 'refresh' the data signal. 3(a). P&P 16 can theoretically output to 2720 Pixels in default mode (170 pixels * 16 Outputs). All pixels need to be of the same pixel type. 3(b). Amperage and Wattage will determine how many pixels per Output you can run from the P&P16 itself within the 2720 maximum. 3(c). I am running 1037 live pixels over 11 Outputs this year, using two MeanWell 320w PSU. House outline, 3 minitrees, 1 mega tree (25pixels * 14 strands), and 4 * 1m arches. 3(d). Leaves 5 spare Outputs, with plenty of room on each of the 11 employed Output (ranges from 64 to 128 pixels this year per Output) for future growth. 4(a). As Advatek ship the P&P16 with a single PSU and 4A fuses, they will only warrant a reasonable range of Pixels. 4(b). Within the P&P16 you will notice that Advatek use a separate power PCB with the PixLite16 v2 PCB. I think this setup actually limits the Outputs further compared to building your box yourself using just the v2 board. Others may have more experience on this. 4(c). In default mode the P&P16 can only output to 510 channels (170 pixels). In expanded mode, the Clock wire turns into a second data output wire, meaning you can expand each output to 340 pixels (170*2). But power needs to be considered as well. 5. See xLights model below for what ive described above over 11 Outputs.[ATTACH type="full"]15308[/ATTACH] [/QUOTE]
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