UniTest 2 - SM
Contents
1. e Connection of a scan receiver ACT SmartSCAN ACT DDS10 L Simprop SCAN 7 or SCAN 9 DS over an adapter cable e Power supply of the scan receiver through the UniTest 2 e No additional battery necessary Software update by PC e USB interface e Update software runs on any Windows PC 4 Charging the internal battery The UniTest 2 has a built in battery consisting of 4 cells AAA Micro 7OOmAh On the right side of the case you can find the connector for charging the battery This connector is identical to the connector used on Graupner JR transmitters A charging cable for the UniTest 2 is available under Order no 2202 Attention the outer contact is Plus the inner contact is Minus You must set your charger to the following values e Maximum charging current 1A e Cell number 4 e Battery type NiMH e Maximum charge amount 7OOmAh Overcharging the internal battery can destroy the UniTest 2 5 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 5 Using UniTest 2 The UniTest 2 has four buttons for navigating the menu and a potentiometer for moving the servos 5 1 Turning on and off The power switch is also a button and turns the UniTest 2 on off electronically A long press of the button approx 1 sec activates the device After turning on first you will see a startup screen with software version and serial number and after that for one second or as long as the power button2. 05 2007 1 Adjustment to UniLog firmware v1 03 2 USB Interface is included with UniTest 2 from now on 1 21 10 2007 1 Adjustment to UniLog firmware v1 05 2 Support for Brushless rom sensor added gt Motor pole number and gear ratio can now be added 11 2007 1 Error in the external rpm measurement corrected 1 23 12 2009 1 Connection to LiPoWatch added 2 Adjustment to UniLog firmware v1 10 3 New servo types added gt high speed digital servos 4 Error in the puls amplitude measurement corrected 5 Servo speed measurement added as a new mode in the servo tester menu 32 SM Anleitung UniTest 2 v1 23
3. 3 Technical data The UniTest 2 is a universal measurement tool for the RC hobbyist It is controlled by a microcontroller and has a four line LCD screen with backlight It is operated through 4 buttons and a dial potentiometer for the servo tester The UniTest 2 has a built in battery that power the device itself as well as the connected servos and other peripherals such as the scan receiver or external sensors e Power consumption approx 8mA without and 100mA with screen backlight e Built in battery 4 cells AAA Micro 700mAh e Temperature range 32F to 104F current and voltage measurements are calibrated at 70F e Connectors Graupner Futaba universal for servos and external sensors e Green Multiplex high current connector for electric drive measurements e Dimensions 115mm 16mm potentiometer x 65mm x 27mm e Mass 165g Drive measurement e Current 10 to 80A display in 0 01A steps accuracy 1 5 3 digits e Voltage 0 to 50V display in 0 01V steps accuracy 1 2 digits e Power 0 to 4000W display in 0 1W steps e Capacitance 0 to 30 000mAh display in 1mAh steps e Energy 0 to 1400Wh display in 0 01Wh steps e Current measurement over built in 1mOhm shunt resistor e Temperature measurement over external magnetic sensor Order no 2220 von 40C to 125C e Measurement of an arbitrary sensor between 0 to 1500mV on analog connector A2 e Negative current measurement also possible for simple recording of c
4. The servo cycles counter can be reset by turning the device on off 6 2 4 Servo speed Servospeed as a mode under item B of the settings allows a direct measurement of the servo speed If this mode is selected pushing Enter will cause the servo to move from one endpoint to the other and its speed is measured The bottom row of the screen displays the values as follows Seeed 8 347s BS 1Su In the negative direction Speed the speed was measured as 0 347s with a median voltage of 5 12V When pushing Enter again the servo will move into the opposite direction and the speed will be displayed as Speed If you want to measure the servo speed for a specific travel distance for example 45 or 60 degrees the servo can be brought to the desired endpoint using the potentiometer dial and then the servo travel adjusted using Plus and Minus The speed measurement will then be performed using these endpoints The measurement uses the current consumption during the servo travel Servos with inconsistent 16 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 current consumption or oscillations can cause measurement errors Therefore it might be necessary to repeat a measurement several times and ignore obviously wrong values 6 3 Servo impulse measurement Menu item 3 Servoimpulsmessung allows you to measure and check servo pulses Simultaneously UniTest 2 measures the current
5. simultaneously to decrease or increase the damping respectively The damping amount is shown the in the bottom right corner of the screen DO in the example means damping 0 aut means automatic damping 21 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 6 Data memory Menu item 6 Datenspeicher allows you to read delete and transmit data from the internal memory to a PC Connection of a PC to the device is explained in chapter Software update 6 6 1 Selection Here we choose if data is to be displayed Speicher anzeigen transmitted to a PC or deleted Speicher loeschen 6 6 2 Show memory directly in UniTest 2 When reading data from the internal memory the screen layout is very similar to that during drive measurement In the upper right hand corner LESEN READ shows that we are currently only reading saved data and not measuring Plus and Minus allows you to scroll through consecutive sets of data Enter allows you to jump directly to the next data set In the lower right hand corner the same values are displayed as during drive measurement number of the dataset being written current set of measurement values memory allocation in 6 6 3 Send memory to PC Plus and Minus allows you to choose the specific data set that you want to transmit to the PC Alternatively you can also transmit all data
6. 2 SMG ert OER lnided ai Vh PaA h he keik Karhi MAN H r Requirements The PC needs to be an IBM compatible PC with Windows 98 Me 2000 XP with a free USB port The necessary drivers for the USB Interface need to be P A gt i l gt i au Abau de ls VG na installed You must be able to address interfaces COM1 to Windows PC COM16 A detailed description for the software update procedure is included with the software download E USB 30 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 8 Version bi 08 2004 1 o1 09 2004 1 Channels 91 and 92 at 40 MHz were missing 2 auto damping added to scan single values 01 2005 1 DDS10 and SCAN7 added as scan receivers 2 Servo tester values for Multiplex Uni added 3 Menu item 9 Large Display added 4 Connection for scales added to the thrust and torque measurement 5 Data format for ASCII output changed Scale and A2 6 If desired data saving now stops when reaching a switching value 10 additional values will be saved 7 Switching output D2 is now being controlled by the stopwatch as well Timer 8 Analog input A2 is measured and saved value is displayed in exchange with efficiency eta 9 16 own n100W values for propeller can now be saved with name 3 letters diameter and pitch 01 2005 1 Error in eta calculation from n100W values corrected 1 12 04 2005 1 IBN 5000 RS scale added
7. The new channels 260 281 282 are only displayed by DDS10 L channels 281 and 282 are also displayed by SCAN7 and SCANS DS SmartSCAN only shows a small symbol in place of measurement values 18 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 40 41MHz SmartSCAN SCAN7 SCAN9 DS e 40MHz mode channel 50 59 and 81 92 e 41MHz mode channel 400 420 e All 43 channels in one view During the scanning process the receiver runs through all channels in the frequency band and calculates the field intensity One scan takes about three seconds with SmartSCAN and one second with DDS10 L That means that each channel value is updated about one every three one second s Version 1 of the SCAN7 by Simprop is not able to scan continuously Instead you have to keep the scan button pressed to start a scanning process The process will then be repeated about once every 6 8 seconds The newer SCAN7 V2 with software version V2 2 or higher and the SCAN9 DS have a special operating mode special mode for service marked by five blinks In this mode scan data is sent to UniTest 2 continuously and without the push of a button To enable UniTest 2 to read the data the connected scan receiver must be selected in the UniTest 2 ay e setup menu under item 6 4 1 Settings An acoustic monitoring can be activated for one channel for each of the 35 Mhz and 40 41 MHz bands The desired channel has to be set a
8. UniTest 2 as a universal stopwatch As a special feature the time can also be displayed in large numbers using the whole screen to give better readability 6 7 1 Settings You can choose between count up regular stopwatch and count down mode in A In B the alarm can be set in hours minutes and seconds The countdown starts the clock with this value C allows you to specify in what time intervals you would like a beep to sound UniTest 2 always beeps towards the end of the programmed time at 30s 25s then every two seconds starting at 20s and every second starting at 10s The stopwatch also controls the switching output D2 The start of the stopwatch turns the output on reaching 0 in count down mode or the alarm in count up mode turns the output off Additionally all other switching parameters specified in Setup are also monitored at all times 6 7 2 Screen layout Row 1 shows the time in hours minutes seconds tenths of seconds Row 2 shows the total time in seconds Row 3 shows the watch mode and the programmed alarm type Row 4 shows the alarm time or the programmed countdown time Pushing Plus starts the stopwatch and pushing Plus also stops it again Pushing Minus will reset the stopwatch Pushing Enter displays the current stopwatch time in large font using the whole screen Pushing Enter again switches back to the standard screen layout 24 SM Anleitung UniTest 2 v
9. according to a computer transmitter Display of frame rate repetition rate of the servo impulses in milliseconds Frequency scanner Complete frequency observation for 35MHz 40MHz or 41MHz in connection with a scan receiver ACT SmartSCAN ACT DDS10 L or Simprop SCAN 7 SCAN 7 V2 SCAN 9 DS Automatic frequency band identification when hooking up the specific scan receiver Display in easy to read bar graph format with manually adjustable or automatic damping All channels of the frequency band are visible in one view A and B band simultaneously for 35MHz Alternatively also display of field strength for the single channels in percent of maximum value Alternatively observation of a single channel with acoustic warning when exceeding a specified field strength Stopwatch Full stopwatch functionality with adjustable alarm Adjustable acoustic signal order Stopwatch or countdown functionality Display can be changed to large clock numbers whole display SM Interface Other SM Modellbau products can adjusted and used with the UniTest 2 At the moment UniLog LiPoWatch V Kabel2 and nfoSwitch can be read and adjusted completely through UniTest 2 Software update via PC The UniTest 2 software can be updated at any time using the included USB Interface Software updates are available free of charge at www sm modellbau de 3 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011
10. in chapter 6 6 Data memory 12 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 1 8 PC analysis software Data analysis software for your PC is available at the website www sm modellbau de under Download This program is executed as an Excel Macro and therefore requires Microsoft Excel Version 2000 or newer It allows you to generate data plots directly during a measurement or using saved data A detailed explanation is included with the software Data analysis is also possible using the program LogView from www logview info This software supports a wide selection of devices used by RC hobby enthusiasts 6 1 9 Switching output Output D2 can be used to switch external devices during drive measurements A typical application is a low voltage cutoff when recording battery discharge curves The cutoff parameter can be set under menu item Setup As soon as a value is being observed it will be marked with a blinking star behind its name The switching output remains turned on as long as all values stay within the allowed intervals defined by you If a value leaves its interval a triple beep will sound and the switch output is turned off A blinking arrow is displayed behind the offending value the direction of the arrow depending on whether the value was too high arrow up or too low arrow down A data collection to memory can be stopped automatically when the switching output is turned off
11. into the UniTest 2 servo output As soon as a connection is established UniTest 2 will emit a beep and the screen will show the servo menu for the V Kabel 2 Now all settings of V Kabel 2 can be adjusted through UniTest 2 Adjustable settings for V Kabel 2 Servoil servo or menu item choice choose from Servol to Servo4 followed by Setup gt 0r lt running direction Middle servo middle position 100 to 100 W servo travel 0 to 200 adjustable separately for both sides Z Servo speed 0 0s to 10 0s adjustable separately for both sides L Limit Travel 0 to 200 adjustable separately for both sides FS Failsafe HOLD 700 us to 2300 us corresponds to 200 to 200 travel with Graupner or HOLD A detailed description of all possibilities can be found in the V Kabel 2 manual 25 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 9 2 Connection with InfoSwitch In order to program and display data from InfoSwitch connect it to UniTest 2 through the bottom serial connector Seriell 2 COM using the connector cable order 2305 As soon as a connection has been established UniTest 2 will emit a beep and the screen will show the menu for the InfoSwitch In the menu you can choose between a live display of values or the setup menu of the InfoSwitch by pushing Enter A detailed description of all possibilities can be found in the InfoSwitch
12. itself too close to the UniTest 2 as this may hurt reception 6 5 Displaying single values using scan receiver If a scan receiver is connected menu item 5 Scan Einzelwerte allows a detailed display of relative field intensities in for each scanned channel Using this setting allows you to check the results obtained during a complete frequency spectrum scan in more detail Only the selected channel and its two neighboring channels are displayed Once again one of the above mentioned scan receivers is needed to execute the scan process UniTest 2 s internal battery supplies power to the complete system Do not connect an additional battery to the scan receiver 6 5 1 Screen layout Five channels are displayed simultaneously The five blocks are separated from each other by vertical dashed lines Located underneath each other for each of the five channels are the intensity percentage as a bar graph the intensity percentage as a number and the channel number Row 4 shows which channel has been selected as the alarm channel and the alarm value In the example above the alarm has been disabled You can select the channel to be observed the channel in the middle marked by square brackets by pushing Plus and Minus Any channel that is scanned by the connected scan receiver can be chosen As explained in the bar graph section the single value display can also be scaled Here you have to push Enter and Plus or Enter and Minus
13. manual 6 9 3 Connecting the Hyperion LBA10 balancer Using a connector cable order 2233 UniTest 2 can be connected to the data output of the Hyperion LBA10 LiPo balancer The cable is connected to the Data Port of the balancer and to the bottom serial connector of the UniTest 2 Seriell 2 COM With this setup you can monitor all single cell voltages of a connected LiPo battery up to 12 cells using two LBA10 with Net cable at the same time The cell voltages are displayed in the order of their cell number The first row shows cell no 1 to no 3 and so on The lowest voltage is marked with a behind it the highest with a You can display additional information in the last row by pushing Plus and Minus the detected number of cells the operating mode and the Master Slave mode M S if two LBA10 are connected The next screen will display the largest voltage difference and the corresponding pair of cells 26 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 9 4 Connection with UniLog In order to program and display data from UniLog connect it to UniTest 2 through the bottom serial connector Seriell 2 COM using the connector cable order 2305 Additionally UniLog needs to be connected to a power supply either through an Rx cable from UniTest 2 or from a current sensor inside your model or from the connected receiver As soon as a c
14. remains pushed the internal battery voltage will be displayed as anumber and in a bar graph To turn the device off just keep the power button pushed for at least a second A message on the screen will confirm the shutdown 5 2 Connectors A large connector bar is located on the left side of the UniTest 2 Here you connect the servos a PC the scan receiver and the external sensors In the example you see a USB Interface connected to Seriell 1 COM a servo connected at Servo 2 and an external temperature sensor is connected at A1 The servos and sensors should be connected to UniTest 2 according to the color convention of their cables So the brown black cable should always be towards the bottom of UniTest 2 D1 and D2 are digital inputs outputs A1 and A2 are analog inputs 6 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 5 3 Menu structure UniTest 2 is used through a menu with three four levels You navigate through this menu using the four push buttons Enter and Esc move between the levels to the left or right Using Plus and Minus allows you to select menu bullets or change adjustable values The last selected function will be kept in memory even after shutdown and will be reactivated when the device is turned on again For example when you are installing a servo you don t have to reactivate the servo t
15. sets at once The transmission is starting by pushing Enter During the transmission the progress is reported in the lower right hand corner of the screen When using the software for Excel that can be downloaded from www sm modellbau de there are two different ways to transmit data to the PC During data collection through the Excel menu Live values The entire memory can be read from UniTest 2 through the Excel menu Data control You do not have to adjust anything on the UniTest 2 Excel control the entire transmission You only have to connect UniTest 2 to the PC and turn it on Please also read the instructions included with the Excel software 22 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 Data format when transmitting live values or when transmitting from UniTest 2 internal memory e Interface 115200 baud 8 data bits no parity bit one stop bit 115200 8 N 1 e The baud rate can be adjusted in setup e Data format ASCII string with fixed position of each data point e One data packet consists of the following 71 Byte AAAA A BB CC CC DDD DD EEEEEE FFFFFF GGGGG GG HHHH H IIIII 1 JJJJJJ J cr If Please note that in German a comma has the meaning of a decimal point A Time in s with one decimal place B Data set number C Voltage in V with two decimal places D Current in A with two decimal places also negative values E Angular velocity in revolutions p
16. zero Stop saving Push Minus gt double beep as confirmation The data set number is increased by one That means a new dataset will be used the next time you save data The stopwatch is stopped A total of 15 single data sets can be saved in UniTest 2 A total of 2000 sets of values can be saved in these data sets The distribution of this data is arbitrary That means that all 2000 sets of values the entire memory capacity could be saved in a single data set if so desired If 15 data sets have already been saved another saving process will always overwrite the last the 15 data set A set of values consists of the following e Time in seconds e Dataset number e Number of this set of values e Voltage in V e CurrentinA e angular velocity in revolutions per minute e capacitance in mAh e energy in Wh e temperature in degrees C from an external sensor e analog value in mV from connector A2 e value supplied by an external scale as a mass g or a torque N cm When all memory has been allocated data will no longer be recorded internally and will only be transmitted to PC over the serial port The memory space first has to be cleared partially before new values can be saved see chapter 6 6 Data memory Under the menu item Datenspeicher the internally saved data can be viewed transmitted to a PC in parts or as a whole and also be deleted The data format used for the transmission to a PC is explained in detail
17. 1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 8 Large display Menu item 9 Grossanzeige allows you to display a single measurement value on the whole screen in real time just like when using the stopwatch One of the following values can be selected Drive voltage Voltage of the battery powering the motor Drive current Current consumed by motor Internal voltage Voltage of the internal UniTest 2 battery External voltage External battery voltage connected through ext Batt Temperature from A1 Value of external temperature sensor connected at A1 VVVvVVY Angular velocity Angular velocity of an internal or external rom sensor depending on the choice made in Setup 6 9 SM Interface Menu item 9 SM Interface allows you to control and adjust other products produced by SM Modellbau with your UniTest 2 At this time the V Kabel 2 the Infoswitch and the UniLog can be controlled completely and their data read through UniTest 2 UniTest 2 can also read data from other manufacturers products like the Hyperion LBA10 balancer The desired device has to be selected from the menu before connecting it to the UniTest 2 6 9 1 Connection with V Kabel 2 In order to program and display data from V Kabel 2 connect the device to the bottom serial port of UniTest 2 Seriell 2 COM using the programming cable order 2232 V Kabel 2 can either be normally connected to a receiver or plugged
18. 2 Connection of SM V Kabel 2 added as extra menu item gt menu item 9 SM Interface 3 Servo tester modes auto and einzeln with fixed time preset without potentiometer added mode automatisch renamed to auto Poti and halb auto renamed to einzeln Poti 4 Drive measurement the observed values switching module are marke with a blinking star 1 14 12 2005 1 Menu item Werkseinstellungen added to Setup now all settings can be changed back to factory default 2 Additional values added for the servo speed 12 5s 14 7s 19 2s 3 Servo pulse set to STOP when an observed value exceeds bounds 4 Adjustment for the Simprop SCAN7 V2 as scan receiver receiver with software version V2 2 or higher are now correctly detected and displayed a selection of the frequency band in the Setup is no longer necessary UniTest 2 identifies the connected receiver automatically 05 2006 1 Connection to SM InfoSwitch added under menu item 9 SM Interface 31 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 09 2006 1 Simprop SCANS DS added as scan receiver 2 Error in the SCAN7 DS 40 MHz channel display corrected 3 Connection to Hyperion LBA10 balancer added under menu item 9 SM Interface 4 Safety feature motel STOP can now be Bisavied in Setup dicey now also possible with UniTest 2 05 2007 1 Error in the servo outputs corrected from 1 17
19. 2011 the SCANS DS must be adjusted to 8 channel mode Detailed information can be found in the receiver manuals No battery should be connected to any of the scan receivers 6 4 3 Screen ws nl 40MHz 50 51 52 535 65 56 57 58 35 MHz A 1260 61 62 63 64 65 66 67 68 69 335 Az lt Batur g 2 Alarmkanal Ne ia ane SEE ar saa f i shi hrkt 17141 Row 2 shows which frequency band was programmed detected and the programmed damping amount Row 3 shows the alarm channel number and the alarm value Rows 1 and 4 show the bar graphs Each sign is one channel The channel number can be read off the numbering lines above or below the screen for the appropriate frequency band In the example case depicted above the red channel numbers are significant because a 35 MHz receiver is connected UniTest 2 has detected transmitters on channels 61 64 70 76 and in the bottom row channels 184 187 and 190 Each bar has 8 levels If no signal is detected the display field remains empty When receiving a signal at full intensity the display field is filled completely In the example you see channel 61 with only one bar That means the transmitter is only very weak Channels 184 and 187 have about half and channel 70 has maximum intensity The double arrow pointing to the right moves through the frequency band continuously and signals to the user which channel is currently being scanned This allows you an overview when which channel value w
20. 220 and the status of the internal data memory The temperature sensor is connected to input A1 and is able to measure values in the range between 40 to 125 degrees C If no sensor is connected to the device only dashes are displayed The memory status is displayed as number of the dataset being written current set of measurement values memory allocation in Like row 3 row 4 changes periodically to display other values Instead of temperature the output of an external scale connected to Seriell 2 COM is displayed Depending on the programmed mode the scale s output is displayed in grams g or as a torque N cm The detailed settings for the scale can be found in menu item 8 Setup In exchange with the memory status a stopwatch is shown in the format hours minutes seconds tenths of seconds The stopwatch starts as soon as data is saved to memory 11 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 1 7 Saving data and transmission to PC The values of the drive measurement can be saved in UniTest 2 internally and simultaneously transmitted to a PC over a serial interface COM In order to transmit data use the supplied USB Interface to connect the UniTest 2 s Seriell 1 COM with your PC As soon as data is saved to memory it is simultaneously sent to the serial port Start saving Push Plus gt single beep as confirmation The capacitance and energy measurements are reset to
21. Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 Etti Ck ltra Vor faded lige l ektpioid k Ma Stephan Merz Blumenstr 24 D 82407 Wielenbach Tel 0881 92700 50 Fax 52 mobil 0178 7603625 email info SM Modellbau de www sm modelibau de UniTest 2 Description and User s Manual Contents Mee WN NG SM eA A cee tes A A A ana cueow sen A dos A 2 2 What UniTest2 Ca WO este tivas rca deaasnscesincesscccaciaevadiecsncan ceeatcnsiaas baw dees EA EER 2 Sm TEM CA rr TS eee eee eer ee 4 4 Charging the internal battery srscaacecacicacieovicnsnedvaoasnesrsondacsnsayueesbavdesinienshaenseaspenwieatenevecesecdeaoadeorieowaseenes 5 Se Wane UME SU o react ewes nara dates seit sete trons cata caaertcteedenatecnaesatenaeas 6 Sed WRITERS OU QO ON zs sts cetacean set axcetuasaceatenane vane vecvactetaeseatceatensmaestsncueeieonct seusanowsaueosaenetsoantaenstoat 6 aae CONNECTOR 6 Ds Meni SUCUT See cores ened easton E E R 7 Os FPURCHONS orori E E E E ueeseosandeneetaceconaneecenaess 8 Bets Dive mea urene ni aeaea 8 Da OVO S O e E EE oeaceaues toad uuccseauadaniet ecatcenescatees 14 6 3 Servo impulse measurement esssesssessessressrrresrrrertrsrtresrersrtrsstrnsrrrsrteustensrtesrteseteesrersrtesetereeees 17 6 4 Displaying frequency band using scan receiver ssessesssssrsserrrssrrrsrersrrresrrrsrreserrrererereeserreerens 18 6 5 Displaying single values using scan receiver cccccceesccceececeececeuecsceuseseeeeeeeuece
22. alue for Waage Hebel This is the lever arm length when the scale is used to measure the motor torque Using a suitable motor test stand this allows you to measure all relevant values of an electric motor including efficiency When you have choosen a scale in the setup menu and a value for Waage Hebel the scale output is directly converted and displayed as a torque in N cm units The displayed efficiency value is then no longer calculated using the n100W value of the propeller but rather using the actual output power computed from motor rpm and torque Since the scales only supplies measurements every 1 second it makes sense to adjust the data rate to 1 second or higher in the UniTest 2 setup menu The IBN 5000 RS scale has a higher data rate so here you can set the UniTest 2 data rate to 0 5 sec Specific connector cables are necessary to connect the scales to the UniTest 2 The cable is included for the IBN 5000 RS scale For Lutron GM 500 and GM 5000 the cable can be ordered separately using order 2235 For the Kern 440 scale cable use order 2236 6 1 5 External analog connector A2 Connector A2 allows you to connect an arbitrary analog sensor You can use a standard Graupner servo cable as a connector The three wire leads are defined as follows e Black bottom gt Ground must not be connected to any other UniTest 2 ground connector e Red middle gt 3 6V to power the sensor 10mA max e Yellow top gt Signa
23. consumed by a connected servo the battery voltage the used Capacitance and the power 6 3 1 Settings Just like in the servo tester menu the servo current can be limited Additionally you can choose between Graupner Multiplex and Futaba UniTest 2 relates the measured pulse values to the chosen transmitter manufacturer 6 3 2 Connection The diagram to the right shows the connection of a receiver and a servo for Servoimpulsmessung The receiver is connected to the ext Batt connector like an external receiver battery Additionally a servo can be connected to ext Servo This servo will be driven directly from the receiver signal UniTest 2 is connected between receiver and servo and measures the pulse width pulse amplitude voltage frame length external voltage and current consumed by the servo The cable from receiver to UniTest 2 is a regular servo cable Receiver with a servo connector JR Universal on both ends Such a cable is available as an accessory under order 2230 l Receiver battery 17 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 3 3 Screen layout e Row 1 shows the measured pulse width in us the value according to the selected transmitter and the selected transmitter type GPN Graupner MPX Multiplex MPu Multiplex Uni FUT Futaba e Row 2 shows the voltage of the external battery the current consumed by a servo connecte
24. ction up to 6 hours Data transmission to a PC either live during the measurement or afterwards by reading the internal data storage Built in servo tester allows the measurement of electric drives without TX RX by direct control of an ESC Integrated stopwatch Connection of an external electronic scale for thrust or torque measurements possible Additional universal connectors for external rom and temperature sensors Universally usable switching output with adjustable switching limits Servo tester Digital highly precise servo tester with integrated servo current battery voltage power and Capacitance measurement Manual and automatic mode Servo control over dial potentiometer with middle detent for fast middle determination Display of impulse width in microseconds and in percent according to a computer transmitter Fixed servo data for many different servos and transmitters 100 at the servo tester corresponds to exactly 100 at the specific transmitter Servo travel is adjustable separately for both directions Additional function for exact middle adjustment 2 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 Servo impulse measurement Digital servo impulse measurements with integrated servo current battery voltage power and Capacitance measurement Display of the servo impulse amplitude voltage Display of the measured servo impulse width in microseconds and in percent
25. d to ext Servo and the maximum recorded current in parentheses e Row 3 shows the pulse amplitude in Volt Additionally the servo power is displayed e Row 4 shows the frame rate of the measured servo pulses in ms and the used capacitance The frame rate is the time between two consecutive pulses In automatic and semiautomatic mode row 4 periodically changes to display the programmed servo speed in s for 100 travel and the number of completed servo cycles 6 4 Displaying frequency bands using scan receiver Menu item 4 Scan Balkenanzeige allows you to scan the frequency band in combination with a scan receiver not included The following receivers can be connected to UniTest 2 ACT SmartSCAN at 35MHz and 40 41MHz with connector cable order 9041 ACT DDS10 and DDS10L at 35MHz with connector cable order 9042 Simprop SCAN7 and SCAN7 V2 as well as SCAN9 DS at 35MHz and 40MHz with connector cable order 9043 The scanning process is performed by the selected scan receiver and the data is displayed on UniTest 2 in the form of bar graphs The scan receiver is connected to UniTest 2 using the appropriate connector cable The entire system will be powered by UniTest 2 s internal battery Attention Do not connect a battery to the scan receiver The following channels are displayed 35MHz SmartSCAN DDS10 L SCAN7 SCAN9 DS e A band channel 61 80 and B band channel 182 191 e All 30 channels in one view e
26. ed to memory Recording rate 5 0s 10 0s during the drive measurement This also defines the maximum recording time 2000 data sets max 0 5s gt 16 minutes 40 seconds 1 0s gt 33 minutes 20 seconds 2 0s gt 1hour 6 minutes 40 seconds 5 0s gt 2 hours 46 minutes 40 seconds 10 0s gt 5 hours 33 minutes 20 seconds Auto off off 5 min If no button is pushed or the potentiometer is not 20 min 60 min moved in the specified time UniTest 2 turns off automatically Shortly before it will display a warning message on the screen If data is being recorded the device will not turn off automatically Tastenklick off on Each button click is confirmed with a short click sound Button click Baudrate 1200 2400 Defines the baud rate for the data transmission to a PC 4800 9600 through the serial port Should always be set to 115200 19200 38400 to allow the fastest possible transmission In this case 57600 115200 the transmission of the total memory takes about 20s Attention PC and UniTest 2 must both be set to the same baud rate Startup melody Shutdown melody Lautstaerke Volume of the internal beeper Error messages are Volume always output at maximum volume RPM Sensor Internal external Switching between an internal rom sensor and an external sensor connected through D1 The menu Antriebsmessung will display rpmi or rpme Scan Empfaenger Scan receiver re
27. er minute F Capacitance in mAh G Energy in Wh with two decimal places H Temperature in degrees C from external sensor with one decimal place empty without sensor Analog value at connector A2 in mV with one decimal place range 0 1500 mV J Measurement value of an external scale with one decimal place cr If The end of a packet is made of a carriage return and line feed The next data set will start in a new line Example 167 5 1 12 76 38 57 10345 1798 23 32 45 7 253 7 476 5 gt 167 5 seconds gt Dataset number 1 gt 12 76V gt 38 57A gt 10345 rpm gt 1798 mAh gt 23 32 Wh gt 45 7 degrees C gt 253 7 mV at analog input A2 gt 476 582 6 6 4 Delete memory You can use Plus and Minus to adjust which data sets should be deleted from memory A long push on Enter will execute the deletion The selected data set number has the following meaning all data sets with that number and higher will be deleted from memory So for example when you have chosen data set 5 it means that data sets 5 6 and all following will be deleted If new data is recorded this data will start with data set number 5 The data sets 1 through 4 remain unaltered If you want to delete the entire memory simply select to delete starting at data set 1 23 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 7 Stopwatch Menu item 7 Stoppuhr allows you to use
28. ester every time it will be available to you immediately Menu structure example Drive measurement HSER e Selection level Adjustment level Changing values Display level f selecting menu bullets or changing adjustable values using Plus and Minus lt gt jumping between menu levels using Enter and Esc 7 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 Functions 6 1 Drive measurement Menu item 1 Antriebsmessung allows the simultaneous measurement of current voltage rpm Capacitance power and energy for electric drives UniTest 2 also outputs a servo impulse that can be used to drive the ESC directly A complete setup of a transmitter or an additional servo tester is not necessary The voltage and current measurement uses the looped cable between battery and ESC UniTest 2 has to be turned on before the main battery is connected because the zero point is reset upon power up The rom measurement uses an optical sensor located on the front side of the device body It only works when exposed to natural light sunshine or artificial DC light flashlight Hint You can also measure rpm in your shop under artificial light Just make sure you point a sufficiently strong flashlight directly onto the sensor This prevents the AC light sources from having any adverse effects on your measurement 6 1 1 Settings We show how to adjust the UniTest 2
29. f its endpoints The potentiometer dial has no effect in these two modes Under menu item C you can adjust different transmitter standards UniTest 2 always simulates exactly the programmed transmitter If you change the transmitter type the screen will switch back and forth showing the manufacturer as well as the saved settings specific to that transmitter The new very fast Hubi servos are also listed here They are controlled with extremely fast pulses If normal servos are driven with these pulses they might be damaged Please pay close attention to choose the correct settings that match the servos used 14 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 Example the values for Graupner e Neutral position 1500 microseconds 1 5ms pulse width e Servo travel 400 microseconds 0 4ms per side e Frame length 22 00ms That means that the total pulse width range is between 1100 and 1900 microseconds This is equivalent to the 100 and 100 values displayed in your transmitter and in the UniTest 2 servo tester The frame length iS the time between two consecutive Servo pulses 6 2 2 Connection The diagram to the left shows the proper connection of a servo when performing a servo test The servo can be connected to Servo 1 or Servo 2 You can also connect two servos at the same time In this case the current consumption displayed by UniTest 2 is the total current consump
30. harge curves e RPM measurement for 1 20 blade propellers between 100 to 100 000 rpm either using internal or external Order no 2210 optical rom sensor e Display of efficiency eta by nLOOW method from the measured rpms Propeller selection from table or input your own n100W value Servo tester e Impulse generation exactly according to the programmed transmitter model e Impulse width adjustable within the limits of the selected transmitter model for example 900 to 2100 microseconds for Graupner or 150 to 150 e Impulse resolution 0 S5microseconds Accuracy 0 5 2 digits e Current 200mA to 4500mA Display in 1mA steps Accuracy 1 5 3 digits e Voltage internal O to 10V external O to 20V Display in 0 01V steps accuracy 1 2 digits 4 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 e Power 0 to 90W display in 0 01W steps e Additional display of the maximum measured servo current e Adjustable current limit for the servo outputs with automatic cutoff e Mode for measurement of servo speed Servo impulse measurement e Measurement range impulse width O to 10 000 microseconds display in 0 5 microsecond steps e Frame rate 5ms to 50ms display in 0 01ms steps e Accuracy 0 5 2 digits e Display of percentage based on selected transmitter model e Servo current voltage power capacitance measurement just like servo tester Frequency scanner
31. ill be updated again In order to distinguish between real transmitters and small disturbances from neighboring channels UniTest 2 s bar graph display is scalable the damping of the display is adjustable in 10 steps by pushing Plus and Minus Doing so scales the maximum value At maximum damping 9 the full bar display is already reached at 10 field intensity Without any damping 0 a full bar display is reached at 100 field intensity A decision about which channel is a real transmitter and which channel merely displays a disturbance can simply be made by adjusting the scaling Besides the manual scaling described above an automatic scaling option is also available This adjustment follows after the value D mpfung 0 Now the scaling is adjusted automatically such that the strongest received signal is displayed with a full bar height The channels 418 419 and 420 in a 40 41 MHz receiver are located above channels 415 416 and 417 20 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 Hint If the scanner will be used to scan your vicinity for example at RC competitions you should shorten the scan receiver s antenna to a total length of 5 10cm or simply roll it up This will prohibit saturation and the display will be much more efficient For long range scanning you should use the full length of the antenna You should also try to avoid placing the scan receiver s antenna and the receiver
32. ing output D2 maximum Max switch current current Schalt Cmax 1mAh 9999mAh Switching value for switching output D2 maximum Max switch Capacitance capacitance Schalt Tmax 0 0 125 0 Switching value for switching output D2 maximum Max switch temp degrees C temperature STOP aktiv yes no Choosing no will disable the safety feature with controller STOP see chapter 6 1 3 and 6 2 2 This will enable you to activate the programming mode for many motor controllers Werkseinstellungen A long push of the Enter button will reset all settings Factory default to the factory default 29 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 7 Software update The UniTest 2 software can be updated using the included USB Interface For this you need a Windows PC with a USB port that has the necessary drivers for the USB Interface installed If software updates are available a file with an updated software version will be posted on our home page under Softwareupdates After successful download to your computer the zip file first has to be unpacked Then the exe file can be started The installation software will then guide you through the remaining update steps 7 1 Connection Guir sh fis MHA RHEE Connect the USB Interface to a free USB port on your PC Connect the other end to the Seriell 1 COM connector of the UniTest
33. l input The measurement range lies between O to 1500mV The input is not protected against reverse current or overload The measurement range must be maintained at all times Damages to the device due to improper connection of external sensors will not be covered under warranty 10 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 1 6 Displayed values changes periodically e Row 1 shows the motor current the battery voltage and the throttle value in according to the settings made in the servo tester e Row 2 shows the rpm and the power rpmi means that the internal rom sensor is used and rpme shows that an external rom sensor order 2210 is connected to input D1 Selection of this setting is done in the setup menu described later e Row 3 shows capacitance and the efficiency according to the propeller used Efficiency is computed from the n100W value the current rom value and the consumed power If a digital scale is connected and motor torque is measured directly on an appropriate test stand the efficiency eta is computed using the actual output power from rpm and torque Row 3 periodically changes to display other values Instead of the capacitance the energy in Wh is displayed If an external sensor is connected to analog input A2 this sensor s value is displayed in mV instead of the efficiency eta e Row 4 shows the temperature supplied by an external temperature sensor order 2
34. onnection has been established UniTest 2 will emit a beep and the screen will show the menu for the UniLog The menu allows you to choose between the live view live the saved measurement data show data the settings settings and deleting the UniLog memory Make the selection by pushing Enter A detailed description of all possibilities can be found in the UniLog manual 6 9 5 Connection with LiPoWatch In order to program and display data from LiPoWatch connect it to UniTest 2 through the bottom serial connector Seriell 2 COM using the connector cable order 2305 Additionally LiPoWatch needs to be supplied with power through the balancer leads a2s LiPo is sufficient for this As soon as a connection has been established UniTest 2 will emit a beep and the screen will show the menu for the LiPoWatch 27 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 10 Setup Menu item 10 Setup includes the basic settings for the operation of the UniTest 2 All items and their possible settings are listed below LCD Licht off on Turns the LCD background lighting on and off LCD light auto 20s auto Auto mode turns the lighting off after no buttons have 60s been pushed or the potentiometer hasn t been moved for the specified time The light will come back on the next time a button is pushed Speicherrate 0 5s 1 0s 2 0s Defines the rate at which data is sav
35. otentiometer dial has a slight detent in its middle position Usually this is sufficient to quickly find the middle position Safety feature As soon as an external battery is connected to UniTest 2 all servo and controller outputs will only output the motor stop pulse 100 until the pulse output has actively been approved To do so in manuell manual mode move the potentiometer dial to its stop position once In the other modes press Minus once As long as no approval has been given STOP is displayed on the screen in place of the throttle value in This safety feature can be disabled in the Setup menu under item U 6 2 3 Screen layout e Row 1 shows the pulse length in microseconds the value according to the transmitter and the specified transmitter model GPN Graupner MPX Multiplex FUT Futaba e Row 2 shows the voltage of the internal battery that supplies Servo 1 and Servo 2 the current consumption of all servos combined and the maximum measured current in parentheses e Row 3 shows the voltage of the external battery at ext Batt that is used to power the servo connected to ext Servo It also shows the servo s consumed power e Row 4 shows the temperature supplied by the external temperature sensor and the used Capacitance In automatic mode row 4 periodically changes to display the programmed servo speed in seconds for 100 travel half of total servo travel and also the number of completed servo cycles
36. propeller It specifies how fast rom the propeller will turn at exactly 100W shaft power Using rpm and the electric drive s input power we can then compute how much of the consumed power actually makes it to the shaft This value is the efficiency eta UniTest 2 displays eta during drive measurement Due to variations in production and elasticity of the propeller this method is not very accurate But it allows you to choose the most efficient motor by a simple comparison test when using different electric motors with the same propeller On the adjustment level of the drive measurement menu you can choose the used propeller out of a list The first 16 propeller entries are freely programmable By choosing row B and pushing Enter you can choose the propeller list By pushing Enter again you can assign 3 letter long names to any of the first 16 programmable propeller entries After that propeller diameter and pitch both in inches can be programmed and in the lowest row the n100W value for this propeller can be adjusted 6 1 3 Connection LI The diagram to the left shows the connection of all components for drive measurement using an ESC with built in BEC IMPORTANT ESCs with built in BEC must be plugged into Regler ESC as shown in the diagram one a es 2e a ty tale rea he he ed lite asik Controllers with opto coupler have to be connected through one of UniTest 2 s regular servo outputs Se
37. rvo 1 or Servo 2 When measuring a drive that is already built into a model input to the controller will usually happen Battery through the RC transmitter SAFETY FEATURE For your safety all servo outputs and the ESC connector will output only the Motor Stop impulse until the potentiometer is moved to the stop position During this time STOP is displayed on the screen instead of the regular throttle percentage display This feature can be disabled in the setup 9 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 1 4 Connecting a scale for thrust or torque measurements Starting with software version 1 10 software updates available for free at www sm modellbau de an external scale can be connected to UniTest 2 through Seriell 2 COM connector Currently the following scales can be chosen IBN 5000 RS formerly order 2260 Lutron GM 500 GM 5000 formerly order 2250 Kern 440 Additionally a multiplication factor for the scale output value can be programmed in the setup menu under L Waage Faktor This factor allows you to adjust the scale output value to reflect the lever arm ratios used in your homemade thrust measurement setup If the motor pushes onto the scale with a lever arm ratio of 2 1 then setting the factor to 2 0 will automatically display and save the scale output multiplied with 2 Instead of Waage Faktor you can also set a v
38. s the alarm channel and the alarm value has to be programmed If the alarm value is set to above 90 then the alarm is turned off The alarm sound is a beeping noise that sounds as soon as the alarm value on the chosen channel is exceeded during the scanning process 6 4 2 Connection a The diagram to the left shows how to connect a SmartSCAN tae an T DIRE Hise AFERE 133 7 A seating aetna cin iiine mn 7 etaan inatia ii 35 MHz lt Banefune 3 jlarmkanal 63145 N TaT s e etd we ack beast Sy kE EG Avtar da LIUA OM ort be Carob IP os nae Dy th scan receiver The connection cable order 9041 is connected to UniTest 2 through the Seriell 2 COM connector That is the lower of the two serial connectors On the SmartSCAN 2 ty 4 j WOOELI Mba de SMILE o side the cable is connected to slots 7 and 8 me a ACT SmartSCAN UniTest 2 recognizes the connected receiver automatically Je and confirms this with a beep The DDS10 L receiver is connected to UniTest 2 as described above The connection cable with order 9042 is required for the connection On the DDS10 L side the cable is connected to the small DSL connector To connect SCAN7 and SCANS DS receivers by Simprop the connection cable with order 9043 is required On the SCAN7 9 DS it is connected to DAT The SCAN7 must be adjusted to 6 channel mode 19 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04
39. settings using the example of drive measurement All adjustments follow this principle and will from now on only be listed Select Antriebsmessung on the selection level by pressing Enter Then the adjustable values will be displayed The adjustable values can be selected using the Plus and Minus buttons Pushing Minus down moves the cursor to the row for rom measurement adjustments The cursor will be in the shape of an arrow Another push of Minus moves the cursor to the third row to adjust prop values Listed here are propeller number 01 then three letters for the propeller name and then the propeller size in inches The numbers 01 to 16 are freely programmable numbers 17 and above include a few pre programmed propeller values If you want to change the blade number of a propeller push Enter in row A The cursor changes to the shape of an arrow and the adjustable value starts to blink This value can now be changed using Plus and Minus You can change between Blatt blades and Pole poles to allow rom measurements at the propeller using optical sensor or at the motor using brushless rom sensor 8 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 6 1 2 Efficiency measurement with n100W values UniTest 2 can display the efficiency of an electric drive using so called n100W values The n100W value is a characteristic of the installed
40. seueceesueeeeeaseeees 21 DO BY 2 8 00 0010 6 enano EE e 22 Ge OWI cosine copiaesnr cee esses ecvacpsses on avisioa ces ou E neo aes sea vnceenea ccoeyseseousmnaicnaeinomn 24 GS aree d Dy een en ee ee eee ee een Oe eee eee eee een ere eae eer 25 e9 MUS Se eases ee espe ecvarpvcse on sssision E E E ences ccoausecoousmnaiconaetnen 25 SID ee scaicaesparse cos nueses E T A 28 7 SOU Ai Si Eaa E E E E 30 DMs MOMS IO A E A A eesteaseneesees 30 S VrO CON E E E A 31 Before operating for the first time the internal battery has to be charged See Chapter 4 Use the charging time to read this user s manual 1 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 1 The idea The idea was to design a multifunctional device for RC modeling It was supposed to achieve the regular tasks in the shop and in the field The result is the new UniTest 2 as an improved version of the successful UniTest This versatile little electronic helper helps in measuring electric drives but also as a servo tester and scanner 2 What UniTest 2 can do Drive measurement Complete measurement of electric drives with current voltage power capacitance energy and rpm measurement Also capable of measurement of charge and discharge curves of batteries Everything in one tool and everything visible at once Large internal data storage space for over 2000 data sets Storage rates from 0 5s to 10s allow data colle
41. spectively ACT SmartSCAN ACT DDS10 Simprop SCAN7 Simprop SCAN9DS Adjustment of the connected scan receiver The receiver needs to be connected to Seriell 2 COM the appropriate connector cable 28 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 Speicher Stop Activates the automatic stop of data collection when Record Stop exceeding the switch limit 10 data sets are computed after the switch is triggered none Settings of a scale connected to Seriell 2 COM to Kern 440 measure Static thrust or torque Lutron 500 0 IBN 5000 RS Waage Faktor Hebel Factor 0 1 to 10 0 Multiplication factor for the static thrust measurement Scale factor Leverarm 5cm to using a scale or a leverarm for the torque measurement leverarm 50cm using a scale Zuleitung 0 20mOhm Resistance value for the battery connector cable Connector cable including connector UniTest 2 will then show the correct voltage directly at the battery without the cable s influence Schalt Umin 0 00V 49 00V Switching value for switching output D2 minimum Min switch voltage voltage Can be disabled by pushing Plus and Minus simultaneously Fast adjustment of the minimum and maximum value by pushing Minus Plus and Enter simultaneously Max switch voltage voltage Min switch current current Schalt Imax 1 00A 80 00A_ Switching value for switch
42. surement 6 2 Servo tester Menu item 2 Servotester allows the manual semiautomatic or fully automatic control of servos Simultaneously UniTest will display the servo current the battery voltage the used capacitance the power and the temperature supplied by the external temperature sensor Additionally a servo speed measurement is possible 6 2 1 Settings Under menu item A you can adjust the maximum servo current If this value is exceeded the servo output is turned off and a warning message is displayed together with a warning beep This message has to be confirmed by pressing Enter The value 5000mA works without a limit Menu item B lets you adjust the mode to manual semiautomatic or automatic manuell the servo is controlled manually using the potentiometer dial auto Poti the servo is constantly moved back and forth between its two endpoints The servo speed can be adjusted using the potentiometer dial einzeln Poti pushing Minus will cause the servo to move to its 100 endpoint Pushing Plus will cause it to go to its 100 endpoint Servo speed for this movement is again adjusted using the potentiometer dial auto and einzeln mode are very close to auto Poti and einzeln Poti respectively However here the servo speed can be programmed directly as a number value instead of using the potentiometer dial The time value specified is the time for the servo to travel from its middle position to one o
43. this functionality can be enabled in Setup A suitable switching module for UniTest 2 is available separately under order 2240 It is connected directly to UniTest 2 s green MPX connector ESC load and allows the switching of up to 50V and 30A A control LED shows the switch state The diagram on the left shows the proper me SE 420 v aioe HEY notte eu Wrz E ha nies can eer Reb re ak ining connection of the module As a load you can either connect a current sink a power resistor or an array of 12V car headlights gt 2 Oe J j WODELI bau de SME Battery Attention Current flow can only be interrupted in the direction battery gt load The switching module cannot prevent current from flowing from load to battery built in diode Specifications of output D2 if you want to build your own switching module logic level output from the processor low off approx OV high on approx 3 6V 3mA maximum with a 1 kOhm serial resistor 13 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 The switching output can only be used to drive a suitable logic level MOSFET transistor It is important that only the switch signal wire from D2 is connected to the transistor gate The transistor is connected to Ground directly through the green MPX connector A Ground connection between D2 and the green MPX connector is not allowed and would falsify the mea
44. tion of both Servos combined ee mii When connected like this the servos are powered using UniTest 2 s internal battery This battery has four cells and is comparable to a standard receiver battery P r O Oia LT Y ee bau ae BAL If you want to drive a servo with a battery other than the internal battery you can connect the servo to ext Servo and an external battery to ext Batt Then the servo is powered directly by this battery Current and voltage will be displayed by UniTest 2 As soon as an external battery is connected the power displayed will be calculated using the external battery s voltage You can define the fixed neutral position by pushing Enter A long beep will sound as confirmation Now the E com 4 NP servo is fixed to its neutral position Pushing Enter again or moving the potentiometer returns the device back to normal use and will be confirmed by a double beep Battery Servo travel can be set between 0 and 150 independently for each side Move the potentiometer to the desired side s maximum position then adjust the servo travel using Plus and Minus Pushing Plus and Minus simultaneously causes the value to be reset to 100 After turning on UniTest 2 the value is set to 100 by default This travel setting also applies to the servo pulses during drive measurement 15 SM Anleitung UniTest 2 v1 23 Inofficial English Translation Jan Vervoorst gmx de 10 04 2011 Hint the p
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