Last modified by Eric Nantel on 2021/09/24 09:36
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Eric Nantel 299.1 1 [[image:MES-PDB.png||height="350" width="350"]]
Eric Nantel 3.1 2
Coleman Benson 300.1 3 **Page Contents**
4
Eric Nantel 292.1 5 {{toc/}}
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Eric Nantel 3.1 7 = Description =
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Coleman Benson 282.1 9 **~*~*~* READ THIS MANUAL, ESPECIALLY THE SAFETY SECTION BELOW BEFORE MAKING ANY CONNECTIONS~*~****
Eric Nantel 3.1 10
Coleman Benson 282.1 11 The Multirotor Erector Set (MES) Power Distribution Board (PDB) is a highly versatile system; its two PCB design (separate positive and negative power planes), 4oz copper thickness and two battery inputs, allows it to easily power up to 8 UAV motors with a continuous current capacity of 20 amps each (160A total) and a peak / instantanous current capacity of 35A per motor (280A total). This PDB has also an onboard, internally driven buzzer and a pinout directly compatible with the Quadrino Nano Flight Controller.
Brahim Daouas 11.2 12
Eric Nantel 3.1 13 = Features =
14
Coleman Benson 282.1 15 * Pinout compatible with the Lynxmotion Quadrino Nano Flight Controller, but can be used in any multirotor system
Brahim Daouas 10.2 16 * Connect up to 8x motors using 3.5mm bullet connectors
Coleman Benson 282.1 17 * Positive and negative PCBs allow for high current
18 * Supports single or dual batteries setup
19 * Includes 1x XT60 to 3.5mm bullet connector battery cable adapter (additional cables sold separately).
Brahim Daouas 11.7 20 * On-board internally driven buzzer
Coleman Benson 282.1 21 * Jumpers for battery elimination circuit (BEC) power management, battery monitoring and external device power selection
22 * Vin, GND and 5V pins broken out for the possibility of soldering an external 5V regulator
Eric Nantel 3.1 23
24 = Specifications =
25
Brahim Daouas 11.10 26 * Continuous current of 20A per motor (160A total for 8 motors)
Coleman Benson 282.1 27 * Peak current of 35A (280A total for 8 motors) for several seconds
28 * Separate power PCBs : bottom PCB is connected to battery positive and top PCB is connected to battery negative
Brahim Daouas 83.3 29 * 4oz copper thickness on both top and bottom PCBs
Brahim Daouas 224.1 30 * 8 x 3.5mm male bullet connectors for ESCs positive leads + 2 x 3.5mm male bullet connectors for batteries positive leads
31 * 8 x 3.5mm female bullet connectors for ESCs negative leads + 2 x 3.5mm female bullet connectors for batteries negative leads
Brahim Daouas 88.2 32 * On-board pre-amplified Buzzer : 5V 30mA 2.7kHz internally driven magnetic buzzer
Eric Nantel 3.1 33
34 = Wiring =
Brahim Daouas 133.2 35
Coleman Benson 282.1 36 The wiring diagrams below show where to connect the XT60 battery wires, the ESCs power leads and RC wires for different copter types. Be sure to read the safety section below before making any connections.
Brahim Daouas 273.1 37
Coleman Benson 282.1 38 1. DO NOT connect the batteries until everything has been wired and checked.
39 1. Verify the polarity of the battery connector(s) and sure the positive (red) lead connects to the top PCB, and the negative / GND (black) lead connects to the bottom PCB.
Brahim Daouas 283.2 40 1. Should your ESC not use the correct bullet connectors for power, the existing connectors can be removed and replaced by 3.5mm connectors.
Brahim Daouas 289.1 41 1. Connect the ESCs to the PDB based on the configurations below, ensuring the positive is connected to the top plate and negative connected to the bottom plate. 
Coleman Benson 282.1 42 11. For a single battery configuration, the ESCs should be installed close to the battery
43 11. For a dual battery configuration, the ESCs should be installed equally on the board to try to lessen uneven current draw between the batteries
44 1. Connect the three-pin cables based on your copter configuration below.
45 1. When using two batteries, they should both be fully charged and provide the same output voltage. We suggest using two identical batteries from the same manufacturer.
46 1. Ensure the battery or batteries selected can provide enough (discharge) current for all motors under load. Normally the discharge rating is provided as a C-rating.
47 1. DO NOT remove any bullet connectors from the PDB when a battery is connected - disconnect the batteries first.
Brahim Daouas 273.1 48
Eric Nantel 272.1 49 (% style="text-align:center" %)
Coleman Benson 282.1 50 |//**1x ESC**//|//**4x ESCs**//|//**6x ESCs**//|//**8x ESCs**//
Eric Nantel 255.1 51 |(((
52 (% style="text-align:center" %)
Eric Nantel 267.1 53 [[image:MES-PDB-Wiring-Board-One.png||alt="MES-PDB-Wiring-Board-Single.png"]]
Eric Nantel 255.1 54
55
Eric Nantel 259.1 56 )))|(((
57 (% style="text-align:center" %)
58 [[image:MES-PDB-Wiring-Board-Quad.png]]
59
60
61 )))|(((
62 (% style="text-align:center" %)
63 [[image:MES-PDB-Wiring-Board-Hex.png]]
64
65
Eric Nantel 262.1 66 )))|(((
67 (% style="text-align:center" %)
68 [[image:MES-PDB-Wiring-Board-Octo.png]]
Brahim Daouas 209.1 69
Eric Nantel 262.1 70
71 )))
72
Coleman Benson 282.1 73 The following table shows the suggested connection points for each of the ESCs' power leads(positive and negative), their corresponding RC 3 pin connector and input signal pin based on the copter type :
Brahim Daouas 188.2 74
Eric Nantel 171.1 75 (% style="text-align:center" %)
Eric Nantel 298.1 76 |(% style="width:350px" %) |(% style="width:50px" %) |[[image:QUADX.png||alt="HEX.jpg"]]|[[image:Y4.png||alt="HEX.jpg"]]|[[image:Y6.png||alt="HEX.jpg"]]|[[image:HEX.png||alt="HEX.jpg"]]|[[image:X8.png||alt="HEX.jpg"]]|[[image:OCTO.png||alt="HEX.jpg"]]
Eric Nantel 194.1 77 |(% colspan="1" rowspan="8" %)(((
Eric Nantel 186.1 78 (% style="text-align:center" %)
Eric Nantel 241.1 79 [[image:MES-PDB-Wiring-Shaded.png||alt="MES-PDB-Groups-Shaded.png" width="350"]]
Eric Nantel 186.1 80 )))|[[image:MES-PDB-Color-Squares-Gray.png||width="15"]]| | | | |✓|✓
Eric Nantel 92.1 81 |[[image:MES-PDB-Color-Squares-Brown.png||width="15"]]|✓|✓|✓|✓|✓|✓
82 |[[image:MES-PDB-Color-Squares-Yellow.png||width="15"]]|✓|✓|✓|✓|✓|✓
83 |[[image:MES-PDB-Color-Squares-Blue.png||width="15"]]| | |✓|✓|✓|✓
84 |[[image:MES-PDB-Color-Squares-Purple.png||width="15"]]| | |✓|✓|✓|✓
85 |[[image:MES-PDB-Color-Squares-Orange.png||width="15"]]|✓|✓|✓|✓|✓|✓
86 |[[image:MES-PDB-Color-Squares-Green.png||width="15"]]|✓|✓|✓|✓|✓|✓
87 |[[image:MES-PDB-Color-Squares-White.png||width="15"]]| | | | |✓|✓
Eric Nantel 297.1 88 |(% colspan="1" rowspan="2" %)[[image:MES-PDB-Wiring-Power.png||width="350"]]|[[image:MES-PDB-Color-Squares-Red.png||width="15"]]|(% colspan="6" rowspan="1" style="text-align:left" %)3.5mm Male Bullet Connector connected to the positive plane
89 |[[image:MES-PDB-Color-Squares-Black.png||width="15"]]|(% colspan="6" rowspan="1" style="text-align:left" %)3.5mm Female Bullet Connector connected to the negative plane
Eric Nantel 28.1 90
Brahim Daouas 103.2 91 == Jumpers ==
Eric Nantel 171.1 92
Brahim Daouas 190.1 93 The MES PDB has three jumpers : JA, JB and Vout. The functionality of each jumper is explained below :
94
Eric Nantel 298.1 95 |(% colspan="1" rowspan="3" style="width:350px" %)(((
Eric Nantel 186.1 96 (% style="text-align:center" %)
Eric Nantel 240.1 97 [[image:MES-PDB-Top-Jumpers-Shaded.png||alt="MES-PDB-Groups.png" width="350"]]
Eric Nantel 186.1 98 )))|(% style="width:50px" %)(((
Eric Nantel 293.1 99 (((
Eric Nantel 186.1 100 (% style="text-align:center" %)
Eric Nantel 187.1 101 [[image:MES-PDB-Color-Squares-Green.png||alt="MES-PDB-Color-Squares-Gray.png" width="15"]]
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103
Eric Nantel 293.1 104 )))
105
106 (((
Eric Nantel 186.1 107
Eric Nantel 293.1 108 )))
Eric Nantel 185.1 109 )))|(% colspan="6" rowspan="1" %)(((
Eric Nantel 293.1 110 (% class="wikigeneratedid" id="HJAjumper" %)
111 **JA jumper**
Eric Nantel 183.1 112
Coleman Benson 282.1 113 When installed, this jumper is intended to connect the battery's positive lead to the A0 pin to monitor the battery voltage on an analog input pin :
Eric Nantel 184.1 114 )))
Eric Nantel 186.1 115 |(((
116 (% style="text-align:center" %)
Eric Nantel 187.1 117 [[image:MES-PDB-Color-Squares-Blue.png||alt="MES-PDB-Color-Squares-White.png" width="15"]]
Eric Nantel 186.1 118 )))|(% colspan="6" rowspan="1" %)(((
Eric Nantel 293.1 119 (% class="wikigeneratedid" id="HJBA0jumper" %)
120 **JB jumper**
Eric Nantel 184.1 121
Coleman Benson 282.1 122 This jumper selects between the 5V input on the PDB (using an external, optional 5V regulator) or the BEC of ESC #2. With the jumper in place, the 5V line of the PDB is connected to the 5V BEC pin of ESC #2 (assuming the ESC includes a BEC) which will power all the 5V pins on the PDB.
Eric Nantel 184.1 123
Eric Nantel 185.1 124 //**Note : Ensure to remove the JB jumper if a 5V external regulator is soldered on the PDB.**//
Eric Nantel 184.1 125 )))
Eric Nantel 186.1 126 |(((
127 (% style="text-align:center" %)
Eric Nantel 187.1 128 [[image:MES-PDB-Color-Squares-Red.png||alt="MES-PDB-Color-Squares-White.png" width="15"]]
Eric Nantel 186.1 129 )))|(% colspan="6" rowspan="1" %)(((
Eric Nantel 293.1 130 (% class="wikigeneratedid" id="HVoutA0jumper" %)
131 **Vout jumper**
Eric Nantel 184.1 132
Coleman Benson 282.1 133 This jumper is intended to select between 5V provided by JB (from the optional, external 5V regulator or from the BEC of ESC #2, depending on the position of JB jumper) or use the main battery voltage (Vbat) on the Vout pin. The Vout pin is used along with D32 pin (active low) to power external devices (LEDs, Buzzer, etc.) :
Eric Nantel 184.1 134
135 Jumper between Vout and 5V : external device connected to Vout and D32 will be 5V powered when D32 is low
136 Jumper between Vout and BAT : external device connected to Vout and D32 will be powered through the battery voltage
137
Eric Nantel 185.1 138 //**Note : Ensure to verify the rated voltage of the external device connected to D32 and Vout pins before inserting Vout jumper to 5V or BAT**//
Eric Nantel 184.1 139 )))
140
Brahim Daouas 212.1 141 == 5V External Regulator ==
142
Coleman Benson 282.1 143 The MES PDB has 3 pins broken-out : BAT / Vin (Red), GND (Black) and 5V (Green) as indicated in the image below. The pinout is used to solder an optional, external 5V regulator (**not included**). Be sure to remove the JB jumper if an external 5V regulator is soldered to the PDB. Additional information regarding the optional Lynxmotion 5V and 12V regulators are provided here {//coming soon//}.
Brahim Daouas 212.1 144
Eric Nantel 298.1 145 |(% rowspan="3" style="width:350px" %)(((
Eric Nantel 219.1 146 (% style="text-align:center" %)
Eric Nantel 240.1 147 [[image:MES-PDB-External5V-Shaded.png||width="350"]]
Eric Nantel 219.1 148
149
150 )))|(% style="width:50px" %)(((
151 (% style="text-align:center" %)
152 [[image:MES-PDB-Color-Squares-Green.png||width="15"]]
153
154
Brahim Daouas 243.1 155 )))|5V output of the external regulator which is connected to all 5V pins
Eric Nantel 219.1 156 |(((
157 (% style="text-align:center" %)
158 [[image:MES-PDB-Color-Squares-Black.png||width="15"]]
159
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Brahim Daouas 242.1 161 )))|GND pins
Eric Nantel 219.1 162 |(((
163 (% style="text-align:center" %)
164 [[image:MES-PDB-Color-Squares-Red.png||width="15"]]
165
166
Brahim Daouas 243.1 167 )))|Input voltage of the external regulator which is connected to the battery positive lead
Eric Nantel 219.1 168
Eric Nantel 246.1 169 == Quadrino Nano ==
170
Coleman Benson 282.1 171 Although the MES PDB is intended to be used with any flight controller copter system, it was designed to be directly interfaced with the Lynxmotion Quadrino Nano Flight Controller.
Brahim Daouas 280.1 172
Eric Nantel 298.1 173 |(% style="width:350px" %)(((
Eric Nantel 246.1 174 (% style="text-align:center" %)
175 [[image:MES-PDB-Quadrino-Wiring.png||height="350" width="350"]]
Brahim Daouas 277.1 176 )))|(((
Coleman Benson 282.1 177 Using the appropriate wiring harness (QN-PDB-WH), the MES PDB can be connected to the Quadrino Nano via its middle 12 position, 2.54mm pitch connector as shown in this image.
Brahim Daouas 277.3 178
Coleman Benson 282.1 179 All RC signal pins from the ESCs connected to the PDB will be connected to the appropriate ESC inputs on the Quadrino Nano (refer to the wiring diagram above).
Brahim Daouas 278.1 180
Coleman Benson 282.1 181 The 5V pin (either from the optional, external 5V regulator or the BEC from ESC #2) on the PDB will power the Quadrino Nano.
Brahim Daouas 278.1 182
Coleman Benson 282.1 183 The A0 pin on the PDB takes advantage of the battery voltage monitoring feature on the Quadrino Nano (provided JA jumper is inserted).
Brahim Daouas 279.1 184
Coleman Benson 282.1 185 The D32 pin on the PDB will be driven by the Quadrino Nano (active low) to activate the on-board buzzer and any 5V/Battery Voltage (depending on the position of Vout jumper) external device connected to the PDB.
Brahim Daouas 279.1 186
Brahim Daouas 278.1 187
Brahim Daouas 277.1 188 )))
189
Brahim Daouas 211.1 190 = Thermal Analysis =
Eric Nantel 150.1 191
Coleman Benson 282.1 192 Given the almost infinite number of potential situations regarding current draw, it is difficult to analyze all configurations. With this in mind, the following table summarizes the thermal analysis of the PDB when used with a single or dual battery drawing 160A or 280A continuous current.
Brahim Daouas 191.1 193
Eric Nantel 181.1 194 (% style="text-align:center; width:1000px" %)
Eric Nantel 174.1 195 | |(% colspan="2" rowspan="1" %)**//160A Continunous (20A / ESC)//**|(% colspan="2" rowspan="1" %)**//280A Continuous (35A / ESC)//**|(% rowspan="1" %)
Eric Nantel 307.1 196 |(% style="height:150px" %)//**Single Battery Input**//|[[image:multirotor-erector-set.mes-electronics.mes-power-distribution-board-legacy-no-modules.WebHome@MES-PDB-THERMAL-TOP-1B-8M-20A.png||width="200"]]|[[image:multirotor-erector-set.mes-electronics.mes-power-distribution-board-legacy-no-modules.WebHome@MES-PDB-THERMAL-BOTTOM-1B-8M-20A.png||width="200"]]|[[image:multirotor-erector-set.mes-electronics.mes-power-distribution-board-legacy-no-modules.WebHome@MES-PDB-THERMAL-TOP-1B-8M-35A.png||width="200"]]|[[image:multirotor-erector-set.mes-electronics.mes-power-distribution-board-legacy-no-modules.WebHome@MES-PDB-THERMAL-BOTTOM-1B-8M-35A.png||width="200"]]|(% colspan="1" rowspan="2" %)(((
Eric Nantel 157.1 197 (% style="text-align:center" %)
Eric Nantel 182.1 198 [[image:MES-PDB-Thermal-Scale-02.png||alt="MES-PDB-Thermal-Scale.png" height="355" width="141"]]
Eric Nantel 157.1 199 )))
Eric Nantel 306.1 200 |(% style="height:150px" %)//**Dual Battery Input**//|[[image:multirotor-erector-set.mes-electronics.mes-power-distribution-board-legacy-no-modules.WebHome@MES-PDB-THERMAL-TOP-2B-8M-20A.png||width="200"]]|[[image:multirotor-erector-set.mes-electronics.mes-power-distribution-board-legacy-no-modules.WebHome@MES-PDB-THERMAL-BOTTOM-2B-8M-20A.png||width="200"]]|[[image:multirotor-erector-set.mes-electronics.mes-power-distribution-board-legacy-no-modules.WebHome@MES-PDB-THERMAL-TOP-2B-8M-35A.png||width="200"]]|[[image:multirotor-erector-set.mes-electronics.mes-power-distribution-board-legacy-no-modules.WebHome@MES-PDB-THERMAL-BOTTOM-2B-8M-35A.png||width="200"]]
Coleman Benson 282.1 201 |(% style="height:15px" %) |//**TOP PCB**//|//**BOTTOM PCB**//|//**TOP PCB**//|//**BOTTOM PCB**//|(% colspan="1" %)
Eric Nantel 150.1 202
Eric Nantel 5.1 203 = Dimensions =
Eric Nantel 3.1 204
Eric Nantel 298.1 205 |(% style="width:350px" %)[[image:MES-PDB-Dimensions.png]]|The suggested mounting method for the PDB is using either standoffs or double-sided tape. Ensure there are no loose wires or connections which can contact the PDB and potentially cause a short circuit.
Coleman Benson 282.1 206
Eric Nantel 293.1 207 = Safety =
Brahim Daouas 10.2 208
Coleman Benson 282.1 209 Be sure to read through this guide and check all connections.
210
Brahim Daouas 210.1 211 {{warningBox warningText="Warning: Ensure the positive and negative battery leads do not contact each other<br/><br/>Warning: Double check the polarity of the XT60 battery wires and ESCs power leads<br/><br/>Warning: Ensure to connect the battery LAST<br/><br/>Warning: Pay attention to not short positive and negative bullet connectors accidently when the PDB is powered<br/><br/>Warning: Ensure the current draw from all motors does not exceed the maximum discharge current of the battery nor the PDB current rating<br/><br/>Warning: Ensure that JA jumper is not inserted if a 5V external regulator is soldered on the PDB<br/><br/>Warning: Verify the Vout jumper position before powering an external device through D32 and Vout"/}}

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