Owners Manual for the Add-On "Solar GPS"
Contents
1. CoMo switches to solar power operation If the solar cell delivers only 50 of the necessary power the CoMo will switch between solar power operation and battery operation with a 50 duty cycle If the solar cell delivers excess energy it is used to charge the buffer Solar cell a WH Energy flow ae max Ze i Charging phase 2 Fa VW In this phase the CoMo is powered pace e 5 Ht entirely by solar power Depending ae f on the amount of power available Je v Mm from the solar cell the total charge S a in the buffer will be increased or Q 3 s MA reduced gt a 2 Mm If the buffer is fully charged there So J is a reserve of around 5 minutes v ie Solar symbol 2 e W operation with GPS ES a Ine e Bae AAFAA FAA in IS Oa ae fore Pe 98 Charging phase 1 as e the buffer must be charged to this ss e level before the CoMo can run on Solar power status indicator Solar symbol blinks solar power It automatically switches to solar power when this level is reached Note The buffer is also charged when the CoMo is switched off Thus it is a good idea to put the CoMo in sunlight for some minutes before switching it on so it is immediately solar powered 3 2 Examples of real world power situations Turning on the CoMo after it has been in sunlight for some minutes standard situation The buffer already has surplus energy stored so the CoMo immedia2. batteries Switching from solar power to battery power during the update operation could lead to a malfunction Before an update always ensure that the batteries are good You find the latest software on www renschler de 6 Maintenance 6 1 Overheating Never expose your CoMo to extreme temperature e g behind the windscreen of the car greenhouse effect Overheating may cause severe damage 6 2 Water Landing After a water landing especially in salt water batteries should be removed immediately Open the housing 4 screws on the rear rinse all PC boards carefully with clean water and dry them thoroughly afterwards Important If the CoMo doesn t work after this procedure remove the batteries at once to avoid further damage In this case you have to send your CoMo in for repair without batteries 6 3 Cleaning Use a wet cloth for cleaning No aggressive cleaners 6 4 Storage If you are not using your CoMo for a longer period of time then remove the batteries and store it in a cool dry place 7 Warranty Information 7 1 Disclaimer Electronic or mechanical failures may cause false readings eg pressure transducer damage may result in incorrect altitude values Renschler is not liable for any damage or injury caused pya faulty instrument the pilot is solely responsible for safety in flight 7 2 Warranty We issue a guarantee of 2 years on material and processing defects Electronic or mechanical damage after a
3. 00 10 000 12 00 14 00 16 00 18 00 Uhrzeit SSsHssssrage time with usable thermals 4 2 2 Correct alignment of the solar cells It is essential that the solar cells are correctly aligned The alignment should be vertical to the sun so the maximum light falls on the solar cells This is particularly important in the morning and evening Best energy yield The solar cell is aligned vertically to the sun Poor energy yield Any shadow even partial e g by a hand reduces the energy yield drastically vY Bad energy yield An unfavourable angle of orientation reduces energy yield When cloudy the alignment is less crucial because the sunlight will be scattered strongly 3 Power management of the SolarGPS module 3 1 How it works The solar cell generates energy when it is exposed to light This energy is stored in a buffer capacitor which makes power available during short term light fluctuations When completely charged it can run the instrument for up to 5 minutes 25 50 minutes with GPS switched off The buffer is charged in two phases Charging Phase 1 In this phase the sunlight symbol blinks infrequently The buffer is charged to a specific value which is the minimum necessary charge and cannot be used to power the instrument In this phase the CoMo takes power from the batteries Charging Phase 2 In this phase the sunlight symbol shows continuously and the
4. Release 1 0 for CoMo softwareupdate 1 40 CD CSO RENSCHLER Owners Manual for the Add On Solar GPS The SolarGPS module will only work in conjunction with a CoMo AV To ensure proper operation you must have the correct software installed in the CoMo We recommend at least Version see Chapter 5 Table of contents 2 2 1 2 2 3 3 1 3 2 3 3 3 4 4 5 6 6 1 6 2 6 3 6 4 Device description and mounting Device description Mounting About solar power What the sun does for us The best alignment of the solar cells Power management of the SolarGPS How it works Examples The Solarpower Status display The Solarpower Page display Using the GPS receiver Software updates via the Internet Maintenance Overheating Water landing Cleaning Storage 7 Warranty information 7 1 Disclaimer 7 2 Warranty 8 Technical data 1 Device description and mounting 1 1 Device description of the SolarGPS Ambient light detector Regulates the charging of the buffer according to the available light Solar cells The solar cells are embedded in silicon below a protective polycarbonate front screen en GPS antenna The GPS receiver is positioned beneath the front screen fac facing the sy Lanyard Acts as a back up to the mount chosen for the CoMo Mounting hole M4 x 8 mm used to attach the various options for both hang glider and paraglider mounts A
5. crash or waterlanding is not covered 8 Technical data Solar cells 4 solar cells 2 3 volts max 240 mA Buffer Gold capacitor 30 F Fully charged it can power the CoMo with GPS for about 5 minutes or between 25 and 50 minutes without GPS Weight 99g Dimensions 80 x 80 x 24 mm only Add On with GPS GPS Empf nger 16 channels 1 second update rate Current consumption Max 17 mA cold start situation Min 16 mA normal operation tracking 06 04 10 CE Solar GPS instruction manual eng rev 0 1 software 1 40 delivery amp prices excepted a o S 2 S 5 g 5 2 6 2 S z E E 6 g S E o Ak Ingenieurb ro Renschler gt Tel 49 0 711 879 462 FAX 49 0 711 870 11 80 tans RENSCHLER Kirchtalstr 30 D 70435 Stuttgart Germany www renschler de
6. dd on module connector further modules can be attached via these ports Connector bridge horizontal Connects the CoMo AV to add on modules Default is horizontal No function on the SolarGPS External connectors No function on the SolarGPS bd 8 Te KE WER GPS _ 9 N 1 NS a Solar power status indicator Ni appears on the CoMo display 1 2 mounting the SolarGPS add on module You can mount the add on module on either side of the CoMo For right handed people we recommend the mounting on the left so that the operation of the instrument will not obscure the solar cells or GPS antenna a The connector bridge is used to connect the two modules horizontally b The modules become one unit when secured to the mounting plate using 2 screws outdoo indoor kLux 100 60 2 About solar power 2 1 What the sun does The light intensity changes with the day the season the weather and the location The measure for light intensity is the Lux The table below gives some examples CoMo without GPS with GPS k Clear sunny day max 120 000 Lux Clouded summer day 20 000 Lux Shade in summer 10 000 Lux i r l Cloudy winter day 3 500 Lux Room with light 750 Lux i i Candle light at 1 m distance 1 Lux SENSE A i solar powered x The CoMo without GPS works with only 2000 4000 Lux For Solar powered operation with the GPS it needs at least 20000 Lux vl Summer day ee 100 000 lux blue
7. ered e Sun symbol increasing number of points o o The instrument is completely solar powered and surplus energy is charging the buffer Y Sun Symbol decreasing number of points o The energy from the solar cell is not sufficient and energy is drawn from the buffer to ensure solar operation e g in shadow no sun symbol battery operation Solar buffer empty 3 4 the solar power page The solar power page gives detailed information about the solar power system and the also the battery status of the CoMo see CoMo owners manual Counter for hours of operation Shows how many hours the CoMo has worked with solar power Buffer Voltage This shows the state of charge of the buffer If this value increases the buffer is being charged If it decreases the buffer is discharging The CoMo will be solar powered from 1 8 volts The maximum charge is 2 3 volts solar voltage indication operating hours counters 4 Description and use of the GPS receiver As with the solar cells the GPS receiver must be correctly aligned to the sky The GPS receiver antenna should not be covered or GPS signal reception will fail A complete description of the the GPS functions are available in an additional owners manual Navigation instruction manual 5 Software updates via Internet IMPORTANT During internet update the solar cell MUST be covered so as to ensure that the CoMo operates from
8. sky flying J Me weather 1 1 1 Device switches back from solar to battery operation Device switches from battery operation to solar operation 1 Solar power operation from 7 AM to 7 45 PM GPS switched on 1 i 1 i i 1 1 1 i 1 q EEDE A 5000 lux Solar power operation from 6 15 AM to 8 45 PM GPS switched off N T l l ca l l l l 7 00 9 00 11 00 13 00 15 00 17 00 19 00 6 00 8 00 10 00 12 00 14 00 16 00 18 00 Uhrzeit Be en time with usable thermals 20 004 The graph shows how light intensity increases from dawn until noon zenith and then decreases until the evening In summer the instrument may be solar powered from 7 AM to 7 45 PM If the GPS is switched off the CoMo will work nearly the whole day on solar power alone In bad weather the light intensity curve only reaches a maximum 50000 lux Even so the CoMo SolarGPS generates enough power to work between 9 AM and 5 30 PM In these conditions there will only be weak thermals and dynamic soaring is more likely kLux Summer day with 100 clouds rainy and bad Sad X flying weather 80 70 60 Bt tie ede ele siete enya fleur imix 90 000 lux 40 30 20 3 10 4 i Solar power operation from 9 AM to 5 30 PM GPS switched on Solar power operation from 7 AM to 8 PM GPS switched off T I I 4 I 7 00 9 00 11 00 13 00 15 00 17 00 19 00 6 00 8
9. tely runs on solar power The buffer will continue charging until it is full Flight in the evening near sunset a with GPS b without GPS The solar energy is insufficient to power the CoMo and GPS a so the buffer delivers its energy When it is empty the CoMo automatically switches to battery operation Without GPS b the CoMo requires very little energy The power available from the buffer lasts 5 to 10 times as long flight under a cloudy sky ei vr a CoMo oj GPS on The solar cell delivers exactly the amount of energy necessary to operate the CoMo and GPS The charge level of the buffer is maintained Indoor operation or winter ATN Status indicator remains empty battery operati If the buffer is empty and indoor light is not sufficient to charge it the CoMo operates on battery power 3 3 the solar power status display The solar power status display is located next to the battery status indicator of the CoMo Charging phase 1 the sun symbol is blinking the number of points in the symbol increase The instrument is not solar powered The buffer is charged until it reaches the minimum operating level when all 6 points are shown Charging phase 2 more than 1 8 volts The continuous sun symbol indicates that the instrument is now solar pow
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