The Power User Manual V1.2 Copyright VOLO 2015 Page 1

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1 The Power User Manual V1.2 Copyright VOLO 2015 Page 1

2 Thanks for purchasing The Power. Please read through the following instructions to get a full understanding of the board and how it works. Let s start with the connection guide. This guide assumes that you already know how to solder on ESC and battery cables. The Volo Power Distribution Board has been engineered from the ground up to provide the highest possible performance and reliability in a small form-factor. The Volo PDB distributes power from a battery pack to 4 ESCs, as well as providing two regulated DC outputs for powering servos, cameras, video transmitters, etc. Batteries may range from 3S to 6S LiPo, and the battery input is reverse polarity protected. The Power also features convenient cable tie loop holes for securing your battery cables, which remove any stresses on the solder terminals when connecting or disconnecting your battery. The 6V and 12V switching power supplies are synchronised and interleaved, resulting in the smallest size and best possible ripple and noise performance. There is also an extra set of filtered 12V outputs for sensitive electronics such as cameras and video transmitters. With all electronic components on the board being Industrial spec (2 classes higher than consumer electronics) and with the board having a conformal coating you can be confident that your multirotor is in safe hands. Features: Conformal coating. The conformal coating is applied to the top of the board to protect the sensitive electronics against moisture, dirt and chemicals. Very handy if you land in long grass or clip a tree branch on a day that has been raining. (Spinning props can be the enemy of keeping sensitive electronics clean and dry.) The conformal coating is also helpful if you accidently spill a drop of solder in the wrong place during setup. Solder will not stick to the areas of the board that have the conformal coating. Battery lead cable tie down slots. We wanted to remove any unwanted stresses on the battery cable solder connections by introducing the first PDB with cable tie slots to securely hold your battery cables. It offers great protection from the day to day use of connecting and disconnecting your battery packs but even more so if your battery is ejected in a crash. ESC Solder tabs. We have oversized the solder tabs for all the esc connections underneath the black solder mask to maximise both the current carrying capacity of the pads, but to also give them more strength. Solder Bridges Solder bridges were used to make it quick and easy to select either 3S or a 4S-6S setup. We decided to move away from jumpers to try and minimise any points of failure. Why 6V and not 5V? A couple of reasons For Tricopters, a servo has more torque at 6V as opposed to 5V, also all of the RC receivers, flight controllers etc are fine at 6V. We understand there may be a few people that have 5V cameras but we knew that most of the good video transmitters have a 5V output built into them anyway, so the extra servo torque won. What s a Pi filter? Have you heard of a LC filter? A Pi filter is almost the same as a LC filter but with an extra capacitor at the beginning. So you could also say it s a CLC filter. V1.2 Copyright VOLO 2015 Page 2

3 12V regulator shutdown If using a 3S setup the 12V regulator is not used. This option enables you to turn off the 12V regulator. Reverse Polarity Protected with Ideal Diode Have you ever hooked up a battery the wrong way and seen the magic smoke come out? You won t have to worry about this with The Power. As we are using an Ideal Diode for reverse polarity protection. LED indicators Our LED indicators don t just show you that The Power is on, they only light up when the regulated voltage is within 10% of specification. If you find that one of the voltage LED s is off or flickering, you may have a short, or be trying to draw more current from the board then it can supply. (Causing the voltage to drop below 10% of the specified voltage) Very helpful when trying to find faults. Short circuit it tolerant If you accidently hook things up wrong the 6V and 12V regulated outputs are short circuit tolerant. They are not designed to hold a short circuit all day long but will be fine if you make a quick mistake. 3S self-resetting fuse protected The Power passes the 3S battery voltage straight through to the 12V outputs, but first it passes the voltage through a self-resetting fuse. This helps protects your LiPo from damage or fire from any short circuits in your 12V wiring. (LED s, cameras VTX etc ) The voltage for the video gear is also passed through the Pi filter for clean power. 2 0z copper tracks We have doubled the thickness of all the tracks and with the board also being 4 Layers, we have maximised its current carrying capacity. Operating Tem T emperature erature The industrial spec components on The Power can handle any temperatures that you can. The operating temperature is rated from -20 to +70C (-4 to +158F) which should suit most flying conditions. Tips: Soldering Apply an even bed of solder over the ESC and battery tabs before connecting the cables. (1-2mm thick) Also tin your cables. (By melting some solder into the ends of the cables) This will make it easier to attach your cables and give you a much better connection. Changing from 3S to 4S-6S If you decide to change from 3S to 4S or vice versa please check the following. Once you have removed the solder from the solder bridge, power up the board and check if the 12V outputs have 12V power at them. If you still have 12V on the output there is still some solder on the solder bridge, please clean it again until there is no power at the 12V outputs. Once the 12V outputs are clear and no longer produce any power, then it is safe to solder up the other solder bridge. You may destroy your board if you have solder on both solder bridges at the same time. Modifications - Do not file the edges or modify the board, it has 4 layers and you may damage it. V1.2 Copyright VOLO 2015 Page 3

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5 Specifications: General: - 3S or 4S-6S operation (selected via solderbridge) - Regulated 6V and 12V outputs - Onboard 12V video power filter (Pi filter - CLC) - LED power indicators (indicates when the 6V & 12V outputs are within regulation, within 10%) - 4 ESC outputs - 12V Regulator shutdown solderbridge (for 3S operation, disables the 12V regulator if required) - Conformal coating. Protects the electronics against moisture and chemicals. Battery input: - Reverse polarity and overvoltage protected (Ideal diode) - Input voltage range (3S operation): 8-14VDC - Input voltage range (4S-6S operation): 14-26VDC - Absolute maximum input voltage: +28VDC ESC outputs: - Continuous current: 32A per output - Peak current (10 seconds/minute): 50A per output 6V output: - Designed for RC Receivers, Flight controllers, and Servos. - Voltage: 6.0 +/- 0.3VDC - Continuous current: 1.5Amps - Peak current (10 seconds/minute): 2.0Amps - Short-circuit tolerant (10 seconds/minute) - LED (indicates voltage is in regulation, within 10%) 12V output: - Standard output designed to power LED s and accessories - Filtered output designed for cameras and video transmitters (Pi filter - CLC) - Voltage: /- 0.3VDC - Continuous current: 0.75Amps - Peak current (10 seconds/minute): 1.0Amps - Short-circuit tolerant (10 seconds/minute) - LED (indicates voltage is in regulation, within 10%) - 3S self-resetting fuse protection Physical: - Dimensions: 72.4 x 36.2mm (2.85 x 1.425") - Weight: 14g (0.5oz) - Mounting holes 30.5mm square spacing Environmental: - Operating temperature range: -20 to +70C (-4 to +158F) - Storage temperature range: -40 to +85C (-40 to +185F) Contact US: Web: Facebook: Forum : info@volo.systems (VOLO sponsor thread) V1.2 Copyright VOLO 2015 Page 5

MTC-2 highlight features: ACU for Flakpanzer Gepard highlight features: Contents. MTC-2 and ACU User Manual V4.2 (Flakpanzer Gepard Version)

MTC-2 highlight features: ACU for Flakpanzer Gepard highlight features: Contents. MTC-2 and ACU User Manual V4.2 (Flakpanzer Gepard Version) This manual is written for the ACU for Flakpanzer Gepard. There are some modifications on usage of servo and LED ports. Please also notice that GSU (gun stabilize unit) is not supported. MTC-2 highlight