User's guide UTA12 Interface - EA
Contents
1. Flot 3 Picture 29 Elektroautomatik GmbH amp Co KG 2008 page 17 of 22 Changes and errors are reserved Date 02 10 2012 E E JS Universal USB to Analog Interface A The appearing menu shows like this Allgemeine Darstellungen P Farbe p Linienstil Linienbreite b kantengegl ttet wf Kein Balkendiagramm H arundlinie F llen b Unendlich Interpolation b Unendlich Punkkstil b s Achse 3 Y Achse p Picture 30 Here you are able to set colour style width aliasing interpolation and some more features for the selected plot The three buttons see picture 29 next to the plot selection provide some functions to modify the graphical display Picture 31 shows the menu of the zoom button lens icon With this you can select a portion a part of X or Y direction or the whole display for zoom The hand buttons lets you move the plots around on the display The basic data shown in the display is kept in memory so you can reset the zoom or selection Use the context menu of the graphical display and choose Neuinitialisierung auf Standardwert to reset the plot to the state before any zoom See picture 32 Note this only applies after the visualisation has been stopped During a running visualisation the display is permanently updated Picture 31 Unfortunately the plot legend menu can t be localised Here a short translation Allgemeine Darstellungen Select graph mode Farbe colo2. J Elektro Automatik Users guide UTA12 Interface E E Js Universal USB to Analog Interface A Requirements Technical specifications Input resolution Output resolution Input non linearity Output non linearity Zero offset for output Zero offset for input Command execution time typical Command execution time extended Reaction time Pure internal command execution time Power supplied by Isolation voltage PC lt gt power supply Outputs lout Uout Inputs lin Uin Control outputs Remote Standby Status inputs CP Err CC CV OT OVP Input resistance Umon Imon Weight Temperature range PC with minimum Pentium 3 processor 800Mhz 128MB RAM USB port s with USB1 1 or higher operating system Windows min WIN98SE ME recommended 2000 XP power supply with analogue interface socket at operation with an USB hub only use USB hub s with extra power supply at 0 10V equivalent to 0 03 at 0 10V equivalent to 0 06 40us 525us 5V via USB 2kV 0 10 000V at typ 2mA max 5mA 0 10 000V at typ 2mA max 5mA open collector max 24V max 20mMA max 5V 1mA 100kQ 95 grams 0 40 C l control and measurement commands the stated time includes transmission of the command the execution and the transmission of the answer any other command which saves some values internally in the module else like 3 time between start of command t
3. When using the EA software please take care to always select the corresponding power supply from the drop down list Else any display value will be wrong or any value set won t result in the desired output voltage The last selected power supply setting of any connected UTA interface is stored inside the interface and read out by the EA software after a new start of the application or if Refresh list has been chosen Attention If self made cables or included but inappropriately applied cables are used we DO NOT take any warranties or obligations Elektroautomatik GmbH amp Co KG 2008 page 7 of 22 Changes and errors are reserved Date 02 10 2012 E Js Universal USB to Analog Interface A 4 Overview of the control elements o wo D gt Interface Software v1 0 Close Devicelist Interface Language Help Actual value display Set hlode Actual Voltage Actual Current 17 37 0 700 Direct input Cc Preset Voltage Preset Current Mer 5 000 m Data acquisition Selection Interface 1 PS 3065 05B user text Remote Standby a u PS 3065 05B Indicators Info window Analog control Limiter lo Limiter 10 Preset Current 2 5 Preset Voltage 30 35 mu 40 z f 25 gt Bl Key input I IH 2 Time 00 00 56 z Ampere Volt Plot DUNA 15 16 39 ED ME EE 9 0 nn tn on off au onfoff
4. E E JS Universal USB to Analog Interface A 5 3 Input by numeric keys If you want to enter a desired value using the key buttons please click the INPUT button See picture 10 15 27 46 02 02 2005 Picture 10 After this you need to enter the value with the key buttons picture 11 For example the value 57 8 german decimal punctuation comma used in the software Values with decimal places are allowed Use the comma button to set a comma Preset Voltage 14 55 54 Preset Current 24 01 005 Picture 11 Now submit the entered value to either set voltage or current by clicking the appropriate button Preset Voltage Preset Current Picture 12 The value will now be set for voltage or current Elektroautomatik GmbH amp Co KG 2008 page 11 of 22 Changes and errors are reserved Date 02 10 2012 E E Js Universal USB to Analog Interface A 5 4 Actual values The displays for voltage and current show the constantly updated actual values for voltage current of your power supply but only in case there are monitoring outputs at the power supply A non existing display means that the currently selected power supply see drop list hasn t got monitoring outputs See picture 13 Actual value display Actual Voltage Actual Current Picture 13 Elektroautomatik GmbH amp Co KG 2008 page 12 of 22 Changes and errors are reserved Date 02 10 2012 E y E Sh Universal
5. USB to Analog Interface A 5 5 Add power supplies to the database and to the drop list The software uses a sort of a device database called drop list You can edit this list or add new entries in order to control alien power supplies or different devices than power supplies or to simply change parameters Use the menu entry Device list gt Add power supply to start modifying A window will open and show the current user device data base A 1 means a feature is available for this particular power supply a 0 means it s not The IDN id name is used to identify the different power supplies and is freely selectable max 18 characters See picture 15 gt Add power supply Power supply database You may enter user defined power supplies here Note invalid entries will be corrected automatically Umax Imax get Voltage getCurrent set Voltage set Current ae OVP 0 CP Remote Standby Error Power supply test After hitting the OK button the database will be stored Picture 15 If you want to add a new entry click a free line and enter the data according to the template shown in picture 15 Submit your changes by hitting the OK button Meaning of the row headers refer to section 6 4 Pin configuration of the 15 pole analog socket for levels and in out directions Row Description Type Elektroautomatik GmbH amp Co KG 2008 page 13 of 22 Changes and errors are reserved Date 02 10 2012 E E Js
6. Universal USB to Analog Interface A 9 6 Selecting the interface to use In case you have more than one interface connected you are able to select between the different interfaces from the drop down list picture 17 At the moment March 2005 it is only possible to control one power supply at once Any connected interface should be listed here The list shows the stored user information of any interface If you use an interface for the first time this information will be missing Selection Interface 1 PS 9065 10 Interface 2 PS 9036 180 du Picture 17 example for an already assigned interface 5 7 Assigning the power supply type to the selected interface After selection of an interface picture 18 you may assign a power supply type and if necessary enter a free text This text may be used to identify the different devices uniquely The selected power supply type and the free text are immediately stored in the interface and read out during every start of the program and shown in the list Changes are possible at any time Interface 1 PS 9065 10 PS 9065 10 PS 9060 200 PS 9063 045 PS 9063 090 PS 9063 090 PS 9065 05 PS 9065 20 PS 9072 030 PS 9072 040 PS 9072 060 PS 9072 080 S Picture 18 Elektroautomatik GmbH amp Co KG 2008 page 14 of 22 Changes and errors are reserved Date 02 10 2012 E E Sh Universal USB to Analog Interface A 5 8 Data acquisition Th
7. channel 2 Imon 0 10Voc max 15V digital ground weakly connected to analog ground n c switchable output 2 Standby on OV open collector max 24V switchable input 4 OVP OV 0 5V high max 5 1V switchable input 5 CC CV OV 0 5V high max 5 1V OON OBR GON In order to adapt this socket to the analog interfaces of our various power supplies you will need adaptor cables which ordering numbers you ll find here PS9000 2 9kW old series 73340116 PS9000 0 3 1 3kW 73340117 PS9000 12kW 73340118 PS7000 73340121 PS9000 1 5 9kW new series 73340119 PS3000 old series 73340120 Elektroautomatik GmbH amp Co KG 2008 page 22 of 22 Changes and errors are reserved Date 02 10 2012
8. E USB support is only available since Windows 98SE Nevertheless it is still possible to experience a system crash or a hanging application at certain circumstances when using two or more interfaces on a hub It depends on what type of hub is used vendor with or without custom drivers and or if other USB drivers are installed and running Thus we recommend Windows 2000 or newer Elektroautomatik GmbH amp Co KG 2008 page 19 of 22 Changes and errors are reserved Date 02 10 2012 E E Js Universal USB to Analog Interface A 6 1 Installation Simply plug the interface with the included USB cable into your PC or notebook or use an USB hub to connect it When using an USB hub you MUST follow the hints on page 19 It is theoretically possible to connect any number of interfaces up to 254 to the USB bus After the interfaces have been plugged in or the PC has booted you are prompted to install the drivers Please follow the on screen instructions or refer to the chapter 1 Driver installation On any change to the system configuration adding new interfaces or re plugging previously installed interfaces to different USB ports the driver will be re installed This happens semi automatically and can interrupt running software All you need to do is to confirm the warning requester of the Logo test only Windows XP 6 2 Operation You may attach or detach the interface at any time even while the software is running To use n
9. a onjoff 8 Plot 3 Picture 6 u Ce wi 2 Mode control STANDBY switch sets the power output of the power supply to off and REMOTE puts the PS into external control mode if supported by the unit and the analogue interface 3 Power supply selection area 4 Interface list selection drop down see more at 5 6 Selecting the interface to use 5 Selection of assigned power supply type drop down see more at 5 7 Assigning the power supply type to the selected interface 6 Status signals area shown hidden automatically according to selected power supply See 5 11 Status signals 7 Info windows display hints or errors 8 Data acquisition area for details refer to chapter 5 8 Data acquisition 9 Visual graph 10 Controls for the visual graph 11 General controls for the visualisation mode 12 Date time 13 Control voltage current by key input more at 5 3 Input by numeric keys 14 Control voltage current by rotary knobs more at 5 1 Input by rotary knobs 15 Limiter for details refer to chapter 5 1 Input by rotary knobs 16 Control voltage current by input boxes also shows nominal values more at 5 2 Input by input box 17 Indicators for actuals values Elektroautomatik GmbH amp Co KG 2008 page 8 of 22 Changes and errors are reserved Date 02 10 2012 E E Js Universal USB to Analog Interface A o Handling The software provides different ways to adjust or select the desired voltage or curre
10. ch und Installationsoptionen Diese Quellen nach dem zutreffendsten Treiber durchsuchen verwenden Sie die Kantraollkastchen um die Standardsuche zu erweitern oder einzuschr nken Lokale Pfade und Wechselmedien sind in der Standardsuche mit einbegnffen Der zutreffendste Treiber wird installiert Wechselmedien durchsuchen Diskette CD Folgende Quelle ebenfalls durchsuchen Durchsuchen Nicht suchen sondern den zu installierenden Treiber selbst w hlen Verwenden Sie diese Option um einen Ger tetreiber aus einer Liste zu w hlen Es wird nicht garantiert dass der von Ihnen gew hlte Treiber der Hardware am besten entspricht Picture 2 3 In case the driver isn t found go back and change the position to path software usb_driver from the included CD Elektroautomatik GmbH amp Co KG 2008 page 5 of 22 Changes and errors are reserved Date 02 10 2012 E E Js Universal USB to Analog Interface A 4 After this you will be prompted again Just submit Hardwareinstallation Die Software die fur diese Hardware installiert wird USB to Analog hat den Windowe Logo T est nicht bestanden der die Kompatibilit t mit Windows PF berpr ft Warum ist dieser Test wichtig Das Fortsetzen der Installation dieser Software kann die korrekte Funktion des Systems direkt oder in Zukunft beeintr chtigen Microsoft empfiehlt strengstens die Installation jetzt abzubrechen und sich mit d
11. d will lead you through the installation Welcome to the UTA1 Control v2 03 Installation Wizard It is strongly recommended that you exit all Windows programs before running this setup program Click Cancel to quit the setup program then close any programs you have running Click Nest to continue the installation WARNING This program i protected by copyright law and International treaties Unauthorized reproduction or distribution of this program or any portion of it may result in severe civil and criminal penalties and will be prosecuted to the masimum extent possible under law Picture 5 3 First steps Important note The size of the graphical user interface has been adapted to a screen resolution of 1024x768 or higher Thus the window won t adapt to lower resolution s and the GUI is cut After a successful installation following points have to be kept in mind Hint the connection of the interface to any power supply or hardware should only be applied whilst the power supply or hardware is switched off In order to control the power supplies they need to be set into external programming mode See section control elements Power supplies which feature a special remote input can be switched into external mode by software any others have to be switched manually Please refer to the manual of your power supply for further information Simple recording of actual values can be used without external mode
12. em Hardwarehersteller fur Software die den Windows Logo Test bestanden hat in Yerbindung zu setzen Installation fortsetzen i Installation abbrechen i Picture 3 5 Change settings of the driver Note this has to be repeated for every UTA12 that is installed the first time Open the Windows device manager with a right click on My computer then Properties then tab Hardware then button Device manager or go to the control panel and choose My computer Scroll down to find your UTA12 hardware in the USB Controller section c USB Controller Standard erweiterter PCI zu USB universeller Hostcontroller LISB Root Hub LISB Root Hub LISB Root Hub Double click the UTA12 unit s select tab Advanced Allgemein Advanced Power Management Treiber Details oe 5 USB Seral Converter and make sure to uncheck Load VCP 5 USB Seral Converter Configuration Use these settings to override normal device configuration Exit with OK unplug the UTA12 and replug it After this the interface is ready to work Elektroautomatik GmbH amp Co KG 2008 page 6 of 22 Changes and errors are reserved Date 02 10 2012 E E Js Universal USB to Analog Interface A 2 Installation of the software In order to install the software double click the file setup exe in the software english folder of the included software amp driver CD and a wizar
13. ese can be used in various applications where it is necessary to control or to measure The voltage range of 0 10V is a common industrial range which is used by many vendors of power supplies Elektroautomatik GmbH amp Co KG 2008 page 4 of 22 Changes and errors are reserved Date 02 10 2012 E E Sh Universal USB to Analog Interface A 1 Driver installation 1 Connect the interface to your PC or notebook The operating system should find a new device If not then read continue to chapter 6 3 Normally a request like this will follow sorry only german screenshots available Assistent f r das Suchen neuer Hardware Willkommen Mit diesem Assistenten konnen Sie Software f r die folgende Hardiwarekomponente installieren USB to Analog E Falls die Hardwarekomponente mit einer CD oder Diskette geliefert wurde legen Sie diese A Li gt jetzt e n Wie mochten Sie vorgehen Software automatisch installieren empfohlen Software von einer Liste oder bestimmten Quelle installieren fur fortgeschrittene Benutzer Klicken Ste auf Weiter um den Vorgang fortzusetzen uruck Abbrechen Picture 1 Sample from german Windows XP 2 Choose the second radio button 3 You are now requested to choose the driver for the interface It is located on the included drivers and software CD Let Windows do the search Assistent f r das Suchen neuer Hardware Wahlen Sie die Su
14. ewly attached interfaces and to make them available in the drop down list choose Interface gt Refresh list from the menu Once your interface is configured and running you don t need to care for it anymore Everything is controlled by the software from now on Any change to the selected power supply drop list or user text or device specific data is instantly stored in the interface until it will be changed again Elektroautomatik GmbH amp Co KG 2008 page 20 of 22 Changes and errors are reserved Date 02 10 2012 E E Js Universal USB to Analog Interface A 6 3 Questions amp Answers this chapter is subject to be updated regularly Q What power supplies is this interface for A Primarily for our power supplies which have got an analog interface But you can also add own user configurable device as long as their specs meet the specs of the interface given on page 1 Q have only a notebook ready to use it with the interface will it work A Yes The USB ports of common PC or notebook should provide up to 500mA which is sufficient for the interface For detailed information please refer to the technical specs of your computer before you connect an interface Q Why do the older power supplies don t provide status signals like OVP or OT on the screen A They still provide these signals but they re not used by the interface because the specification of the analog socket has been configured to meet
15. future versions and new types of power supplies provided to you by EA You MUST never connect any status signal output from any power supply via custom made cables to the status signal inputs of the interface unless you are sure these outputs are of type open collector Q Where can get updated versions of the software or the manual A In the download area of the Elektroautomatik web page Q What about alternative applications and features which are not supported by this software like to control multiple UTAs at once from a PC or predefined automated sequence control A Generally the interface supports these features There are several ways to realize this 1 an according software is user created with LabView ready to use VIs which serve to control the UTA and thus the power supplies are included on the CD or available for download at the download section of the EA website see link above 2 an according software is user created with C C VB or similiar a guide and a DLL which serves to control the UTA and thus the power supplies are included on the CD or available for download at the download section of the EA website see link above 3 other solutions by request respectively as guide and or utility available in the download section of the EA website see link above Q The UTA12 Control software won t find any UTA12 or my application does not either A Most probably the driver isn t correctly installed Following solut
16. ions 1 Make sure you can find the UTA12 hardware under USB controllers in the Windows device manager also see chapter 1 If not present check cabling If cabling is OK Windows probably uses a driver from a similar hardware like a USB to Serial converter cable which is quite common these days If the cable is currently not used you may either uninstall the driver and install the driver from our included CD or setup the driver to not use the VCP feature See chapter 1 item 5 for details Then the UTA12 should work 2 Unplug and replug the UTA12 in order to reset it and try again If the USB driver does not close the UTA12 correctly or the user application does not the UTA12 will be blocked Elektroautomatik GmbH amp Co KG 2008 page 21 of 22 Changes and errors are reserved Date 02 10 2012 E E Js Universal USB to Analog Interface A 6 4 Pin configuration of the 15 pole analog socket 0 50 Pin function used as notes amp limitations output channel 1 Uset 0 10Voc max 15V output channel 2 Iset 0 10Voc max 15V n c analog ground weakly connected to digital ground switchable output 1 Remote on OV open collector max 24V switchable input 1 OT OV 0 5V high max 5 1V switchable input 2 CP OV 0 5V high max 5 1V switchable input 3 Err OV 0 5V high max 5 1V input channel 1 Umon 0 10Voc max 15V input
17. is feature provides a possibility to acquire and record incoming actual values to save and analyse the data To start data acquisition hit the Start Stop button at any time See picture 20 Data acquisition Picture 20 After this you will be prompted to choose a caption and an interval 2500ms in which the actual values are acquired and saved Submit your selection with OK See picture 21 Data acquisition Messwertaufnahme Geben Sie bitte eine berschrift Fir die Messwertaufnahime ein Dann legen Sie bitte die Zeit Fest in welchen 4bstanden ein Messwert gespeichert werden soll Best tigen Sie mik OK berschrift HH Picture 21 Now you will also be prompted to choose a path to where the data will be stored in a file The data will be stored into a txt file and is formatted for import into for instance Excel During the data acquisition following items are displayed Acquired values counter and running time The counter shows how many values have been acquired and saved into the data file Hit the Stop button to stop the data acquisition process See picture 22 Counter 190 k 01 35 000 Elapsed time Data acquisition Picture 22 After stopping the data acquisition you are now able to export the data file to Excel Use the button Export to Excel to start Excel with the data in the first sheet See picture 23 start Data acquisition Export to Excel Picture 23 Ele
18. ktroautomatik GmbH amp Co KG 2008 page 15 of 22 Changes and errors are reserved Date 02 10 2012 E E JS Universal USB to Analog Interface A Here an example how the imported data would look like in Excel Ed Microsoft Excel test txt Datei Bearbeiten Ansicht Einf gen Format Extras Daten Fenster ER DRAS sk r 2ea e z Arial 10 F K u E 8 amp Za 89 w tg 3 v Titel test 4 Titel test 2 Datum 14 03 2005 3 Ger t PS 9080 200 4 5 Spannung Strom Leistung Zeit in ms 6 fi 33 006 209 59 17606 94 500 5 33 006 209 59 17606 94 1000 9 33 006 209 59 17606 94 1500 10 33 006 209 89 17606 94 2000 11 33 006 209 59 17606 94 2500 12 33 006 209 59 17606 94 3000 13 33 006 209 59 17606 94 3500 14 33 006 209 59 17606 94 4000 15 33 006 209 59 17606 94 4500 16 33 006 209 59 17606 94 5000 he 33 006 209 59 17606 94 5500 15 33 006 209 89 17606 94 6000 ile 33 006 209 59 17606 94 6500 20 33 006 209 59 17606 94 7000 21 03 006 209 89 17606 94 7500 22 33 006 209 89 17606 94 8000 23 33 006 209 59 17606 94 8500 24 33 006 209 59 17606 94 9000 25 03 006 209 89 17606 94 9500 26 33 006 209 59 17606 94 10000 27 33 006 209 59 17606 94 10500 28 33 006 209 59 17606 94 11000 29 33 006 209 89 17606 94 11500 30 31 i a test 4 rif zeichnen AutoFormeny N JOH MEN Z A S 58 Bereit NF FIX Picture 24 9 9 Language selection The software front panel can be switched bet
19. nt for your power supply 5 1 Input by rotary knobs You may adjust the desired voltage or current by the rotary knobs Use the mouse at the blue lines see picture 11 click and hold the mouse button and drag the rotary knobs to the desired value The resolution of these potentiometers is quite coarse Please note the rotary knobs may leap over from one endpoint maximum or minimum to the opposite endpoint This is were the Limiter see below comes in handy Analog control Limiter Limiter Mo fh all wl Preset Voltage Preset Current fo r vn y Picture 7 Click and drag the knobs with the mouse to set them separately blue line The Limiter is used to limit the maximum values for voltage and current separately Some power supplies feature an overvoltage protection OVP but none features an overcurrent protection except the current limititation of the PS itself when controlled externally It can prevent you from unwanted turns of the rotary knobs especially if the mouse is moved very fast and resulting leaps of the nominal values up to their maximum which might damage your power supplied application Zero 0 means no limitation by the software is performed Any other value provides the effect that you can t choose nominal values higher than the Limiter s value It also prevents the user from setting the maximum nominal value when leaping with the rotary knobs Please note when using a po
20. or other error meaning varies see user instruction guide for your device 6 Installation and operation of the interface Common hints and tips e operation of one or more interfaces on an USB hub requires a hub with own power supply The operation of the interface on an USB hub without extra power supply can totally damage the hub and does not lie in the responsibility of the vendor of the interface e when attaching or detaching one or more interfaces while the software is running or even at normal operation of the PC it always lasts some seconds until the interface s is are ready to operate e at usage of own USB cables longer than the one included in the package the common limitations of USB apply The maximum cable length MUST not exceed 5m At usage of more than one USB hub and cables with the length of the maximum 5m between two hubs and a total cable length of more than 6 5m the normal operation of the interface s can t be quaranteed e damages and malfunctions which are due to non observance of the common operating conditions for USB devices respectively this these interface s are not accounted to the vendor e the maximum cable length at the analogue port to which the power supply is connected should not exceed 3m and depends heavily from the wire s cross section We only guarantee faultless operation with cables up to the length of the one included 1 5m and its cross section of 0 25mm per wire or higher e Windows 98S
21. ransmission and internal execution of the command Elektroautomatik GmbH amp Co KG 2008 Changes and errors are reserved Date 02 10 2012 page 2 of 22 E E Js Universal USB to Analog Interface A Page 0 Preamble 4 1 Driver installation 5 2 Installation of the software 7 3 First steps 7 4 Overview of the control elements 8 5 Handling 9 5 1 Input by rotary knobs 9 5 2 Input by input box 10 5 3 Input by numeric keys 11 5 4 Actual values 12 5 5 Add power supplies to the database and to the drop list 13 5 6 Selecting the interface to use 14 5 7 Assigning the power supply type to the selected interface 14 5 8 Data acquisition 15 5 9 Language selection 16 5 10 Graphical visualisation of readings 17 5 11 Status indicators 19 6 Installation and operation of the interface 19 6 1 Installation 20 6 2 Operation 20 6 3 Questions amp Answers 21 6 4 Pin configuration of the 15 pole analog socket 22 Elektroautomatik GmbH amp Co KG 2008 page 3 of 22 Changes and errors are reserved Date 02 10 2012 E E JS Universal USB to Analog Interface A 0 Preamble The interface was designed to control EA power supplies in the first place and thus the EA software has been adapted to those needs But why universal Strictly viewed it consists of 2 channels input and 2 channels output furthermore 2 switchable outputs open collector and 5 switchable inputs for open collector Th
22. ur Linienstil Linienbreite line style line thickness Kantengegl ttet aliasing Balkendiagramm bar graph Grundlinie f llen fill base line Punktstil dot style Unendlich infinite Elektroautomatik GmbH amp Co KG 2008 page 18 of 22 Changes and errors are reserved Date 02 10 2012 E E Js Universal USB to Analog Interface A 5 11 Status indicators The status indicators indicate status signals of the devices that are lead out by the analogu interface Depending on the type of device a different number of status signals is available The program only shows the indicators for the status signals that are supported by the currently selected device Please also refer to the user instruction guide of your device for more information about the meaning of these status signals It applies if a certain status signal is not described for your device the device does not feature it Meaning of the abbreviations CC Constant Current indicates that the device is operating in constant current mode current limitation CV Constant Voltage indicates that the device is operating in constant voltage mode CP Constant Power indicates that the device is operating in constant power mode power limitation OT Overtemperature the device indicates that an overtemperature event has happened OVP Overvoltage the device indicates overvoltage protection active Err
23. ween German and English Use the menu entry Language to select between English or German Elektroautomatik GmbH amp Co KG 2008 page 16 of 22 Changes and errors are reserved Date 02 10 2012 E E Js Universal USB to Analog Interface A 5 10 Graphical visualisation of readings Another feature is the graphical visualisation mode The momentary values of voltage current and power can be shown graphically in a scrolling display and also in the boxes beneath it The display shows an amplitude time field which is related to the maximum values of the currently selected power supply The actualisation of the three values can be switched on and off using the switches under the boxes To activate the graphical visualisation click the Visualisation button See picture 27 Visualisation on off Picture 27 Picture 28 shows an example of how the graphical visualisation might look like The behaviour of the plots is settable scrolling stuffed Amplitude PJ s Lu Lu LT L iN m N gt gt Bl cn mm Time 00 00 24 Picture 28 There are three possible plots to be shown Edit any appearance or style by clinking on the name of the plot like shown in picture 29 Sorry for any inconvenience but the graphical display and its settings are only available in German by default It is possible it might show up in English when using the english version of the LabView Runtime Engine Flot 1 Flot 2
24. wer supply with overvoltage protection you should always ensure to set it to the desired value or maximum to avoid unwanted reactions of this OVP Elektroautomatik GmbH amp Co KG 2008 page 9 of 22 Changes and errors are reserved Date 02 10 2012 E E Js Universal USB to Analog Interface A 9 2 Input by input box If you choose to enter the values using the input boxes you can either enter the values directly into the input box by clicking besides any green number or double click any number you wish to change See picture 8 Please note that if you only use the arrow buttons to set values without selecting a certain digit only integer values left of the point will be changed To change decimal places with the arrow buttons you first have to select them with the mouse pointer See picture 8 Direct input Preset Voltage Preset Current Picture 8 With a mouse selection you can simply change the preset value for any digit s with the arrow buttons next to the input boxes or enter the number via keyboard The alternative is to change the values with the arrow buttons next to the input boxes A cursor will appear when you click between two digits You may now change the digit left to the cursor with the arrow buttons See picture 9 Direct input Preset Voltage Preset Current Picture 9 Elektroautomatik GmbH amp Co KG 2008 page 10 of 22 Changes and errors are reserved Date 02 10 2012
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