VS-3S, VS-3P, VS-3R LiPoly-Controller User Manual
Contents
1. conditions Do not cover this heat sink 10 Position of Potentiometers VS 3S Output Voltage m O 5 2 F Sa hed fea VS 3P R Ausgangsspannung Akkumonitor Empfindlichkeit Output Voltage Battery Monitor Sensivity 11 Mounting VS 3S is designed for servo mounts which are available in many models Use the four rubbers and rivets as usual for servo mounts The four holes are positioned to be compatible with JR Graupner and Futaba Robbe servo mounts VS 3P R are mounted with double sided adhesive tape or similar Take care for vibration damping with foam or servo tape 12 Technical Data Maximum Current 15 A for usual load in models not permanent load short peak current 50A Battery voltage 6 12 volts Cells 2 3 LiPoly 5 7 NiCd NiMH abt 5 6 volts dual color LED shows 5 battery states 10mm extremely bright abt 45 g incl cables 38 x 20 x 25 mm LxWxH front panel 58 x 21 5 mm servo size abt 35 g incl cables 49 x 19 x 20 mm LxWxH disortion free MOSFET technics no noisy switching regulator regulated output voltage battery monitor Warning LED Weight VS 3S Size VS 3S case Weight VS 3P R Gr e VS 3P R functional priciple Operating Conditions and Limitations Operation is permitted only for use in R C models Under any circumstances the operation is not permitted in manned aircrafts medical instruments or in any environments in which an instrument f2. VS 3S VS 3P VS 3R LiPoly Controller including voltage converter electronic FET switch uC battery monitor User Manual 1 Design and Versions This small device contains three functions electronic FET security switch not VS 3R uC battery monitor voltage converter VS 3S and VS 3P are technical identical but in different packages VS 3S has a plastic case and a carbon fiber This LiPoly Controller has an extremely low loss voltage regulator Even when the battery is almost empty it can produce a stable output voltage The quality of the output voltage depends mainly on the battery quality and the wiring in your model Especially for digital servos the wiring must be done with thick wires Use short cables between battery and VS 3x and use only good gold plated plugs Use only high current batteries like modern LiPoly cells and put as many LiPoly cells in parallel as required to get sufficiant current for your model 6 Electronic Switch VS 3S P is equipped with a highly reliable electronic safety switch It is identical to our widly used ES 2 and uses the advantages of both the electronical and mechanical switch in parallel 7 uC Battery Monitor Monitoring the voltage of LiPoly cells is absolutely necessary These cells can easily be damaged if discharged below 2 5 volts Therefore this device has a built in battery monitor which measures the voltage 100 times a second and stores the minimum value during
3. ailure may cause humans come to harm Damaged or wet devices must not be operated A connection with a 230 V a c mains is illegal An operation in electromagnetic or electrostatic disturbed places is not admissible Installation operation and use of this product cannot be watched Therefore the user is responsible for the correct use of the product The product may only be taken in operation if the user understands and handles all risks and dangers which can result from the operation of the instrument The manufacturer does not take any adhesion for personal injuries damages to property losses or costs which result from incorrect use or operation of this product or are connected in any way with it That applies in particular to claims for damages which were released by failure or malfunctioning The legal warranty periods apply All other requests excluded The product meets the relevant and mandatory EEC guidelines and standards
4. he output voltage cannot be higher than the battery voltage When the setting is done put some glue on the potentiometer 5 Voltage Converter Battery almost empty charge immediately The battery monitor is setup by the factory to a warning voltage of 6 volts for operation with 2 LiPoly cells To adapt it to your model a re adjustment is required when it is mounted in the model or when anything has been changed batteries servos To adjust the battery monitor discharge your battery completely Then charge about 15 of the total capacity Then move all control sticks move all servos for 30 seconds The LED should be just constantly ON in RED color This value can be adjusted with a potentiometer but ONLY if the power is switched OFF After moving the potentiometer switch ON again and test the new setting When the setting is done put some glue on the potentiometer 8 Battery Warning LED VS 3S P R has an external 10mm extrelemy bright red LED This LED lights and blinks like the small LED on the device It can be mounted in a good visible position of your model When this LED is blinking charging is recommended If it is constantly ON immediate charging is absolutely necessary since the battery is empty Also this warning LED requires a correct setup of the battery monitor potentiometer 9 Cooling Coling is not required under normal operating conditions For security reasons VS 3x has a heat sink for extremly
5. operation of your model A dual colour LED shows the status of the battery front panel Size and mountings are similar to standard servos which makes it easy to put it into servo mounts VS 3P comes in a heat shrinking tube and can be mounted with double sided adhesive servo tape VS 3R ist the same as VS 3P but without the electronical switch 2 Functional Principle Many receivers servos and other electronic devices are designed to be powered with 4 cell NiCd battery packs Therefore the maximum allowed voltage is 6 volts The usage of a 2 cell LiPoly battery pack is not allowed since it has 7 4 Volt nominal This requires a voltage converter which reduces the _ LiPoly voltage to the lower receiver servo voltage VS 3S P R has a built in voltage regulator which works with 2 or 3 LiPoly cells or 5 to 7 MiCd NiMH cells The reduced output voltage can be adjusted between 5 and 6 volts by the user 3 Connection VS 3S P R has silicon cables for the battery connection RED is the positive pole BLACK is the negative pole Double check the correct connection Reverse connection will destroy the device Make the usual transmission range test before operating your model 4 Voltage Adjustment The output voltage can be adjusted with a small potentiometer Connect a voltage meter to the output wires and adjust the voltage to any value between 5 and 6 volts Usually the best voltage is 5 5 volts which is setup from the factory T
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