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User`s Manual - Right Ascension LLC

1. Sec Deadband 0 0 SecKp 0 000000 Sec Ki 0 000000 Sec Kd 0 000000 N On Fan Deadband Once the temperature difference between the primary mirror temperature and the ambient temperature are below this threshold the fans will be turned off Fan Kp The fan regulator is purely proportional Input to the regulator is the temperature difference E temp Tipici e primary The fan PWM output is calculated via the formula given the proportional coefficient d PWM fay 100 Etemp d The PWM range is from 0 to 255 Secondary Set point The secondary heater PID control tries to regulate the secondary heater to a certain set point above or below the ambient temperature The error input of the PID is calculated as E sec temp ambient temp secondary gt eer Kp Kd Ki Coefficients K specifies the proportional coefficient Ky the differential coefficient and K the integral coefficient The PID is implemented as discrete PID according to Toochinda V 2009 Digital PID Controllers retrieved from www dewinz com At each discrete time step d 5s the PID is updated as follows E amp E E Ep Kl kp kit kd K2 kp 2 kd K3 kd Ey 100 temP ambien LEMP secondary Tepon u u K1 amp K2 K3 Temperatures are always given in degrees Celsius There are various methods for tuning a PID servo please refer to common literature for tuning the PID servo The data
2. Apply Settings Default Gateway 192 168 1 1 Apply Defaults DNS Server Click on Network to configure or change the network settings Apply the settings and verify the new IP address by entering it into the web browser If the user cannot use the web client configuration please use the LANTRONIX configuration utility Deviceinstaller instead The configuration utility is provided on the software disk please install the provided application and follow the on screen directions Lantronix s Device Installer will find the Ethernet device listed as XPort automatically based on its hardware address even if the subnet mask differs If asked the user may provide the hardware address which can be found on the Telescope Interface Module e g MAC 00 20 4A 8A DF 80 Click on Assign IP in the tool bar and follow the configuration dialog Pi ys Fie Ese View Dese Teoh Hep ae Pp Sench Qieu Qasr Uye is Larter Dewees deveet Dec etait Weg Configuration Teint Corficuraten d Local Aes Conmecton 132 16872 z O Fa V Send Desi Telescope Interface Module User Manual A correct configuration can easily be tested by entering the newly assigned IP address into a web browser which should bring up the configuration web client The more experienced user can also use ping and telnet port 10001 to verify a correct IP assignment Note DHCP configuration is possible but not recommended since the assigned IP address c
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6. incorrect side by side configuration please install the Visual C run time components The visual C runtime components are provided via the executable vcredist_x86 exe in the utilities directory on the install CD or might be downloaded from Microsoft s website 2 2 Installation under Linux Unfortunately due to the variety and non conformity of many Linux distributions a universal binary cannot be provided for the Linux platform Instead RC Optical systems has decided to provide the source code to compile the application so that it can run an almost every Linux based platform The source code is open source and will be provided under the LGPL2 license which is attached at the end of this document The communication library is provided as pre compiled static link library Please refer to the Linux specific documentation provided with the latest tar gz installation package In order to compile and install the application the Qt4 SDK qt nokia com and development environment has to be installed The installation is dependent on the Linux distribution used The following example installs the correct packages for the Fedora 12 distribution yum groupinstall Development Tools yum install qt4 qt4 devel Alternatively the Qt4 development can be installed using the Qt4 binary installer from qt nokia com The Telescope Interface Module application is provided as tar gz file Please copy the file into the user home directory and unpack the tar file
7. recording feature will provide sufficient data feedback for the tuning algorithms The Secondary heater PID comes with factory determined coefficients in most cases this will be sufficient Telescope Interface Module User Manual 3 8 5 Primary Mirror Cover Settings Pri Mirror Cover Primary Mirror Cover Settings Flap Speed 200 Max Current 1400 mA E Enable Mirror Cover Menu This settings tab sets speed and maximum current parameters of the cover flaps Flap Speed This parameter is a value between 1 and 255 specifying the pulse width of the output power Depending on the motor used it is possible that a certain pulse width value must be exceeded before the torque is sufficient to open the flaps Default is 140 Maximum Current This parameter specifies the maximum current before motor power is disabled Default is 700mA 28 Telescope Interface Module User Manual Using the Telescope Control Hand Controller 29 4 Using the Hand Controller The Telescope Interface Module was designed to be operated remotely The user can easily connect a laptop or net book to the controller and do local adjustments if necessary Using the Ethernet connection with a wireless router will make the remote operation even simpler Nonetheless a hand paddle is provided for basic control purposes right at the module A LCD module provides necessary feedback when using the hand controller Remote operation is gi
8. the configuration utility Please enter the IP address that was assigned during the initial setup Network Connection P 192 168 1 10 Port 10001 15 Note Please make sure that your firewall settings allow the Ethernet connection to port 10001 3 2 3 Connecting to the Telescope Interface Module Click on the connect button in the toolbar If the connection parameter was set correctly the connect button will change its appearance as shown below The application will show the Fan amp Temperature Controller tab and the temperature display should update the temperature continuously Secher WW File Settings View Help Zeg H JL e Rotator Fan Temperature Pri Mirror Cover Fan and Temperature Controller Temperature MIFAN WMISEC V AUX MIRCA H 46 HIE HUE SE The application will remember the connection configuration for the next startup Note Should the application not connect to the system please verify the following e Is the TIM connected correctly via USB or Ethernet to your computer e Is the TIM power up and ready to be operated e If USB is used did the driver install correctly e If USB is used did you choose the correct COM port e Ifthe Ethernet connection is used was the correct IP address assigned and is the IP address on the same network as the contro computer Use the ping command to verify that the TIM can be reached via network e Ifthe Ethernet connection is used
9. using tar xzvf TimCtrlApp x xx tar gz The tar file will create a new directly please change into the application directory and issue the following commands to build and install the application Building the application for 32 bit Linux Kernel qmake TIMCtrlApp32 pro make sudo install sh Building the application for 64 bit Linux Kernel qmake TIMCtrlApp64 pro make sudo install sh The install shell script will install the application under opt rcos the application can be found in the opt rcos bin directory Please add the executable path to the system s PATH variable and or create a application link on the desktop or within the application menu Please also verify the correct permissions of the application directory since these have not been set by the installer Start the application by entering opt rcos bin TIMCtr1lApp into the console window The T I M device will show up as dev ttyUsB serial device please make sure that you have the necessary permissions to open the device before running the installation 2 3 Installation under Mac OS X The TIMControl Application is provided as Intel binary and runs on recent Leopard Snow Leopard 10 5 and 10 6 MAC OS versions The application should run on Intel based 10 4 versions but this will not be supported The application is delivered as standard dmg file Either run the application straight from the dmg file or install it by dragging the application into the appl
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11. On Auto Software Hardware Version Both parameter are read only and indicate the current firmware hardware version Please write down the version numbers before calling technical support LCD Timeout This parameter sets the timeout for the LCD display background The LCD background light is turned on when the user is operating the TIM via the hand controller After a timeout of no user interaction the background light automatically turns off The default is 30 seconds Temp Display This parameter changes how temperatures are displayed on the LCD display of the Telescope Interface Module This setting does not influence how temperatures are displayed in the software control application neither how certain temperature parameters are calculated Internally the Telescope Interface Module handles temperatures in degrees Celsius System Fan Settings These two temperature values specified in Celsius determine when the internal cooling fan is engaged Once the internal temperature exceeds the ON temperature the internal fan is turned on If the internal temperature is below the OFF temperature the fan will be turned off Default ON 75 C OFF 55 C If always on is clicked the fan will always run independent of the internal temperature Otherwise the fan will operate according to the On Off temperature settings 3 8 2 Camera Focuser Settings 88 Telescope Interface Module Settings System Focuser Rotat
12. User s Manual Telescope Interface Module Right Ascension LLC Flagstaff AZ Safety Precautions The new Telescope Interface Module TIM has been designed with great care and should perform safely and reliably Still please keep the following safety precautions in mind to ensure safe and reliable performance e Please connect or disconnect the main connector cover flap connector if installed the camera rotator RCA connector and hand paddle while the system power is off Failing to do so might damage the Telescope Interface Module e USB and or Ethernet connection might be connected if the system is powered up e Only use the provided power supply to run the Telescope Interface Module Other power supplies can damage the Telescope Interface Module e The RCA connector is designed to operate another Fan or Heater and provides a 12V 1A pulse width modulated power output Other devices not intended for pulse width modulated power might be damaged when connected to the RCA output Loads higher than the specified maximum output current might damage the Telescope Interface Module Do not connect electronic sensitive equipment to this power output e g a camera e The Telescope Interface Module can withstand temperatures between 40 C to 85 C The Telescope Interface Module is not designed to run outside of this temperature range e The Telescope Interface Module is not designed to be weather resistant please ensure a proper operat
13. all USB serial ports of the system The Telescope Interface Module will show up as two consecutive serial ports Usually the lower port in this case the ttyUSBO device will be the communications port The control software application will automatically enumerate the correct devices Most Linux distributions will restrict the serial port access to the root user Either run the application as super user not recommended or change the access permission of the serial device entries Please refer to the Linux distribution documentation for further details 1 1 3 Installing USB Drivers under Mac OS X Mac OS X unfortunately does not come with FTDI drivers installed The correct FTDI drivers are provided on the software CD as dmg file Please mount the dmg file and double click the FTDI installer FTDIUSBSerialDriver_10_4 10 5 10 6 and finish the guided setup Please connect the Telescope Interface Module to a free USB port apply power and verify the driver installation using the Systems Profiler which can be found in the application s utilities folder ANOO MacBook Pro Tim Buschmann MacBook Pro 5 20 10 8 24 PM Contents Y USB Bus Apple Internal Keyboard Trackpad IR Receiver Y Hardware ATA Audio Built In Bluetooth Diagnostics Disc Burning Ethernet Cards Fibre Channel FireWire Graphics Displays Hardware RAID Memory PCI Cards USB Bus WBRCM2046 Hub Bluetooth USB Host Controller USB High Speed Bus Built
14. ally stopped and a red background at the position display indicates that a limit hit condition has occurred The position count has not been lost and a new slew can be commanded Once another slew has been commanded the limit switch warning will disappear Note Older style focusers without optical limit switches will recognize the physical hard limit and stop further motion if a hard limit was hit the absolute position count has been lost and the rotator must be homed again A hard limit will also be indicated with a red background at the actual position display and no further slew commands will be accepted The user has to acknowledge the hard limit error by clicking the stop button before a new slew command will be accepted 3 6 4 Using the position database The Camera Focuser offers a simple database which allows the user to store and delete previously known positions Please keep in mind that this feature is only useful if the Rotator has been homed and thus the absolute position is known If the user clicks the add button a new entry will be added containing the last position and a timestamp in UTC The new entry can be edited by clicking the name or position cell respectively An entry can simply be deleted by clicking the delete icon If the user whishes to slew to a position listed in the database please select the relevant entry and click the ok button If confirmed the focuser will set the database position as the new ta
15. an change if the DHCP server is not configured correctly A changing IP address makes it difficult to set up the network connection in the control application since the IP address needs to be known Some routers allow the static allocation of a fixed IP address for DHCP clients in this case a dynamic address assignment is possible Please do not change the serial device settings since these are essential for a correct communication with the Telescope Interface Module If settings were changed accidentally please verify the following parameters under Serial Settings Serial settings 57600 bps 8 bits no parity and one stop bit 57600 8 N 1 without hardware or software flow control LANTRONIX reueg M Serial Settings Network Server me Channel 1 Serial Tunnel Hostlist Disable Serial Port Channel 1 Port Settings Protocol RS232 e Flow Control None e Connection Baud Rate HETE Data Bits 8 Parity None Stop Bits 1 Pack Control Configurable Pins E Enable Packing Apply Settings Idle Gap Time 12 msec Apply Defaults Match 2 Byte Sequence Yes No Send Frame Immediate Yes No Match Bytes Ip D Send Trailing Bytes None One Two Hex Flush Mode Flush Input Buffer Flush Output Buffer With Active Connect Yes No With Active Connect Yes No With Passive Connect Yes No With Passive Connect Yes No At Time of Disconnect Yes No At Time of Disconnect Yes No Note Lantronix s configur
16. ary Public License version 2 hence the version number 2 1 Preamble The licenses for most software are designed to take away your freedom to share and change it By contrast the GNU General Public Licenses are intended to guarantee your freedom to share and change free software to make sure the software is free for all its users This license the Lesser General Public License applies to some specially designated software packages typically libraries of the Free Software Foundation and other authors who decide to use it You can use it too but we suggest you first think carefully about whether this license or the ordinary General Public License is the better strategy to use in any particular case based on the explanations below When we speak of free software we are referring to freedom of use not price Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software and charge for this service if you wish that you receive source code or can get it if you want it that you can change the software and use pieces of it in new free programs and that you are informed that you can do these things To protect your rights we need to make restrictions that forbid distributors to deny you these rights or to ask you to surrender these rights These restrictions translate to certain responsibilities for you if you distribute copies of the library or if you modify it For example if you di
17. ation software is only available for current Windows systems If you need to configure the Lantronix device under other operating systems please use the web configuration utility If Windows Explorer 8 does not display the configuration page correctly please enable the Compatibility View under the Tools menu 2 Installing the Software 2 1 Installation under Windows The windows installer supports all recent Windows versions 7 Vista and Drei The installer comes as 32bit application which is also fully supported under a 64bit environment Insert the installer CD and launch the setup application The installer will place an application shortcut into the start menu a desktop launcher as well as a quick launcher can be installed during the setup The installer will create program directory and the folder RCOS will be installed in the user s directory for various settings and data recording files No special permissions are needed and the application can run under a multi user environment Should the installation not succeed please install the latest Net framework using Windows Update or via Microsoft s website Note It is possible that certain virus scanners and or firewall issue a warning after the application is started The warning is issued since the application is using the network to communicate to the Telescope Interface Module Please issue an exception for this application if needed Note If the application fails to start due to
18. atures such as temperature compensation and a deviation display The focuser is mechanically limited in its movement and thus offers two optical limit switches on both ends of the slew axis 3 6 1 Position Display The position display at the right top corner shows the Targeted and Actual Focuser position in 1 40000 steps The home symbol right of the target position shows if the system has been homed A cross through the icon implies that the focuser has not been homed yet and that the true zero position is not known the position display will be relative to the current position The background of the actual position can turn blue indicating that the current to the focuser motor has been disabled and thus is in a break condition The A position display shows the deviation from the current position to either the Focal Point Position or the Secondary Deviation Position The deviation position will be displayed once Focal Point Position and Secondary Deviation Position have been set by the user The deviation can be displayed in either steps or inches In order to change the deviation position display or set the Focal Point Secondary Deviation Position right click on the settings symbol besides the deviation display and click the appropriate command in the context menu 3 6 2 Homing the Camera Focuser A click on the Gi icon will initiate the homing procedure of the Camera Focuser The Focuser will slew towards its zero position until it
19. d the position display will be updated accordingly A homing can be aborted by clicking on the BR stop button If the homing was aborted all position information will be relative to the last know position A right click on the Gi icon will open the context menu with the options to slew back to the zero point or to slew to a predefined target position 3 5 3 Moving the Instrument Rotator The Instrument Camera Rotator can be rotated either by moving the dial or by clicking the left or right Y arrow The dial can be turned using the mouse or the mouse wheel a click on the right or left arrow will initiate a single step movement The resolution of a single step for either the dial or single step arrows can be specified to be either 0 1 1 or 5 The Camera Rotator will follow the commanded target position with a short lag movement will cease once the target position has been reached Any movement can be aborted by clicking the stop BR button If the user enabled the software limits in the settings dialog the rotator will stop movement autonomously once it reached the specified software limit This will be indicated by a red background in the position display The user can continue to slew the rotator as long as the target position does not exceed the software limit 3 5 4 Using the position database The Instrument Rotator offers a simple database where the user can store and delete previously known positions Please keep in mind tha
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21. en is displayed The auxiliary dew heater is an optional equipment and might not be available on your current setup Use the position dial to change the power setting 0 100 4 7 External RCA Power Controller To place the TIM in RCA mode toggle the Menu Cancel button until either the RCA screen is displayed Use the position dial to change the power setting 0 100 Note The external RCA is an optional pulse width modulated power output which is capable of controlling either an additional fan or heater using the RCA connector Please do not exceed the power ratings of 12V 1A max since it could cause damage to the Telescope Interface Module 4 8 Primary Mirror Cover Controller To place the TIM into the Primary Mirror Cover Controller mode toggle the Menu Cancel button until either the Primary Mirror Cover screen is displayed 35 Telescope Interface Module User Manual Use the Mode button to toggle between the Open or Close mode Press the Home Enter button to initiate the opening or closing command Press the Home Enter button to confirm the command or press the Menu Cancel button to cancel While the Primary Mirror Covers are opening or closing progress information is displayed on the LCD Pressing the Menu Cancel button will abort the motion This menu item can be disabled using the provided software in the TIM settings menu 36 5 Troubleshooting 1 Cannot connect to TIM via USB 2 Ca
22. eneral Public License This license the GNU Lesser General Public License applies to certain designated libraries and is quite different from the ordinary General Public License We use this license for certain libraries in order to permit linking those libraries into non free programs When a program is linked with a library whether statically or using a shared library the combination of the two is legally speaking a combined work a derivative of the original library The ordinary General Public License therefore permits such linking only if the entire combination fits its criteria of freedom The Lesser General Public License permits more lax criteria for linking other code with the library We call this license the Lesser General Public License because it does Less to protect the user s freedom than the ordinary General Public License It also provides other free software developers Less of an advantage over competing non free programs These disadvantages are the reason we use the ordinary General Public License for many libraries However the Lesser license provides advantages in certain special circumstances For example on rare occasions there may be a special need to encourage the widest possible use of a certain library so that it becomes a de facto standard To achieve this non free programs must be allowed to use the library A more frequent case is that a free library does the same job as widely used non free libraries In this case
23. ent temperature The middle display shows the temperature of the Primary mirror temperature and the lower display shows the temperature of the Secondary mirror The temperature display can show the temperature in either C or F the user can toggle between both views under the menu View gt Temperatures 3 3 3 Auto mode settings The fan and secondary heater can be operated in automatic mode by selecting the correct check box in the auto settings section The auto fan algorithm implements a simple proportional regulator and uses as input the difference between the ambient and primary temperature If this temperature is within the dead band specified by the user the fan power will be turned off The secondary heater in auto mode implements a full PID regulator The PID coefficients have been predetermined for the delivered system but may be altered by the user The secondary heater PID uses the difference between ambient temperature and secondary mirror temperature as input for the heater regulation As is true for the fan control the secondary heater power will be disabled when the temperature difference is within the user specified dead band Both fan and secondary heater regulation coefficients can be set by the user Please refer to the settings section for more detail 3 4 Primary Mirror Cover Control Enable the primary mirror cover control tab by clicking on the Pri Mirror Cover icon in the toolbar File Settings View Help D
24. es g DD T UU 0 1 en S Sy nng 5 O A uu Name Position Date ja Home Position 0 0 2010 02 24721 58 35 2 Last Position 27 5 2010 04 13T01 58 30 x 3 Last saved 24 5 2010 05 22T04 27 49 d The Instrument Rotator allows the fine positioning of the camera with up to 0 1 resolution Physically the Instrument rotator can be operated without running into a physical limit but the user has to pay attention not to wrap up the camera cabling around the rotation axis too much It is recommended to only operate the rotator within plus or minus 3 full rotations 3x360 0 1080 0 The user can specify a software limit in the settings dialog please refer to the settings section in this manual 3 5 1 Position Display The position display at the right top corner shows the Target and Actual Rotator position with a resolution of 0 1 The home symbol right of the target position shows if the system has been homed A cross through the icon implies that the rotator has not been homed and that the true zero position is unknown the position display will be relative to the current position 3 5 2 Homing the Instrument Rotator Click on the CG icon to home to rotator This will initiate the homing procedure and the rotator will slew to one of its home positions Since a full rotation needs up to 120s the rotator has two known home positions at the 0 0 and 180 0 position the homing procedure will finish at either position an
25. eters of the Telescope Interface Module Please keep in mind that configuration parameters are stored in the system memory of the TIM controller Changes made in this GUI have to be successfully written to the Telescope Interface Module before they take any effect When the settings dialog is activated for the first time the application will synchronize with the Telescope Interface Module alternatively the user can reload the parameters by clicking the lt Read from TIM gt button After changes are made the user can decide to save these parameters to a local file as backup using the lt Save to File gt button Once changes have been made the paramters need to be downloaded to the TIM control system by clicking the lt Write to TIM gt button Any changes to the system parameters greatly impact the system functionality As a safety the default settings can be loaded by clicking the lt Load Defaults gt button Default parameters have to be written to the TIM as well before they have any effects 3 8 1 General System Parameters r 5 Tel Interface Module Settings AY Telescope ng System Focuser Pri Mirror Cover System Information a Load from File mi Save toFie to File Software Version 0 165 Hardware Version 1 1 write tomm Load Defaults System Settings Read from Tm Read from TIM LCD Timeout 10 sec S Temp Display Celsius Fahrenheit System Fan Off Temp o c System Fan On Temp o c Mass
26. fects exceed a user settable threshold For a detailed explanation of the temperature compensation parameters please refer to the settings section in this manual 3 7 Recording Operation s Data The control application supports the recording of various operation variables while the Telescope Interface Module is in operation Data will be stored in the user s USER HOME RCOS directory as a Microsoft Excel Oracle s Open Office compatible csv file The filename contains the current timestamp in UTC when recording was started every time a recording is started a new file will be created Recording can be enabled or disabled using the recording button in the tool bar or using the record data command in the file menu The recorded data contains temperature information of all sensors the power settings for each PWM channel and the Focuser amp Rotator position in the following format Date Time Ambient Primary Secondary Fan Sec Rotator Focuser Temp Temp Temp PWM PWM Position Position 4 14 2010 21 03 37 31 06 31 81 25 21 0 0 76 3 14380 The recording interval can be specified in seconds under Settings gt Set Recording Interval EE Enter new recordi _2 lente Interval in sec ho a oe 3 8 Telescope Interface Module Settings The system settings dialog is exposed via the menu Settings gt TIM Settings This dialog allows the user to alter various system param
27. ge Eege red Eed 22 3 6 3 Moving the Camera kocuser tse cenaere deaan aaeoa ieena adea a Oeae aae EERE odana ERKE ei aeei 22 3 6 4 Using the position database cc cecssccccssssececsenseeecesececssaeeecseaeeecseaaeaeeseesaeeeeseaeeeeseaeeeseaaes 22 3 6 5 Focuser Temperature Compensation cccccecececeeececeeeceeesesseeeeeeeeeeeeeeeeeeeeeeeseeeseseseeeseeeseseeeess 23 3 7 Recording Operations Data scsi irese dson caaccdaeteccnecvawncnusboaccuessdaa sea REENEN EE 23 3 8 Telescope Interface Module Settings ccccccccssscesecssecesessececeesseeeseeaecececseaeeeesesaeeeeeesaeeeseesaeeeees 24 3 8 1 General System Parameter cesonia iiair eE aae ge Eeer seeders 24 3 8 2 Camera Focuser Settings kA 25 3 8 3 Instrument Rotator Settings 20 2 cecceceeeeeeseenececeeeeeeeeeaeceeeeeeeeeeaaeaeeeeeeeceeeesaaaeeeeeeeseeeeaaeaeeeeens 26 3 8 4 Temperature and Fan Settings 26 3 8 5 Primary Mirror Cover Settings cccccceeeesseesnceeeeeeeeeeeaeceeeeeeeesaaaeaeceeeeeeeeeeeaaaaeceeeeeeeeeeaaaeeeeens 28 4 Using the Hand Controller Get gie beten EH 30 A T TEE Ee 31 4 2 Focuser Controls enee ee EES Sie ea eee 32 4 3 instrument Rotator Control sssini eirinn cenadencaneesectesgunessyacgeasgiyeadeachvadenateyecesvundgesvevedans 33 4A Cooling Fan Control siccccesesssscccscocsgeseas sense cadaceentodantaeocccbigss ahenuee od a en EE aaae a aena iaaii iE 34 4 5 Secondary Mirror Heater Control 34 4 6 Auxilia
28. he Mode button The available operating modes are Automatic Auto Manual Man and Off Off In Automatic mode the fan speed is determined by the relative Primary mirror and Ambient temperatures according to the fan servo and dead band settings Error Hyperlink reference not valid The servo settings can be altered in the settings menu using the provided software In manual mode the fan power is set using the position dialError Hyperlink reference not valid 0 100 Rotate the knob clockwise to increase power In Off mode the fans are turned off and the position dial is disabled 4 5 Secondary Mirror Heater Control To place the TIM in Secondary Mirror Heater mode toggle the Menu Cancel button until the Sec screen is displayed 34 Telescope Interface Module User Manual The secondary mirror heater operating mode is set by toggling the Mode button The available operating modes are Automatic Auto Manual Man and Off Off In automatic mode the heater power is determined by the relative Secondary mirror and Ambient temperatures according to the secondary heater settings using the provided software In manual mode the secondary heater power is set using the position dial 0 100 Rotate the knob clockwise to increase power In Off mode the secondary heater is turned off and the Adjustment knob is disabled 4 6 Auxiliary Dew Heaters To place the TIM in Auxiliary Dew Heater mode toggle the Menu Cancel button until the AUX scre
29. he user who changes the contents of definitions files in the Library will not necessarily be able to recompile the application to use the modified definitions b Use a suitable shared library mechanism for linking with the Library A suitable mechanism is one that 1 uses at run time a copy of the library already present on the user s computer system rather than copying library functions into the executable and 2 will operate properly with a modified version of the library if the user installs one as long as the modified version is interface compatible with the version that the work was made with c Accompany the work with a written offer valid for at least three years to give the same user the materials specified in Subsection 6a above for a charge no more than the cost of performing this distribution d If distribution of the work is made by offering access to copy from a designated place offer equivalent access to copy the above specified materials from the same place e Verify that the user has already received a copy of these materials or that you have already sent this user a copy For an executable the required form of the work that uses the Library must include any data and utility programs needed for reproducing the executable from it However as a special exception the materials to be distributed need not include anything that is normally distributed in either source or binary form with the major components compile
30. hits the homing sensor After a fine slew the focuser position will be set to zero and the position display will show absolute positions The home icon will indicate that the focuser has been homed The homing procedure can be interrupted at any time by clicking the stop button The homing procedure will only take a few seconds A right click on the CC icon will open the context menu with the options to slew back to the zero point or to slew to a predefined target position 3 6 3 Moving the Camera Focuser The Camera Focuser can be moved either by moving the dial or by clicking the plus or minus button The dial can be turned using the mouse or the mouse wheel a click on the positive or negative button will initiate a single movement The resolution of a single step for either the dial or the single step buttons can be specified to be either 1 10 or 100 steps The camera focuser will follow the commanded target position with a short lag movement will cease once the target position has been reached Any movement can be aborted by clicking the RB stop button If enabled in the settings menu the focuser current will be disabled after a specified timeout after the target position has been reached If this is case the focuser will be in a break condition and no heat will be generated by disabling the holding current The focuser movement is protected by optical limit switches If the focuser runs into either limit and motion will be automatic
31. ications folder 8600 i TIMCentrolApp d liter 12 5 MB available E Km d TiMControlApp Note Mac OS X enumerates serial devices a little differently than other operating systems The TIM device will require that a special driver will be installed first which is provided on the software disk The TIM application will enumerate all USB based serial devices The user may have to try various ports in order to pick the correct port Telescope Interface Module User Manual Using the Telescope Control Application 13 3 Using the Telescope Interface Control Application 3 1 Introduction The Telescope Control Application fully supports remote operation of the Telescope Interface Module TIM This should be the preferred way of operating the TIM since this application supports more functionality than using the hand controller While the TIM is operated remotely the usage of the hand paddle is disabled The application supports two forms of communication with the Telescope Interface Module either USB or Ethernet The USB connection requires the correct installation of the drivers please refer to the driver section of this manual The Ethernet connection comes preconfigured with the following IP address IP 192 168 1 10 Subnet 255 255 255 0 TIM TCP Port 10001 If the user is not on the same subnet or wishes to change the IP address please refer the section Preparing the Network Connection in this manual 3 2 C
32. in iSight Y USB High Speed Bus Dual RS232 HS Internal Memory Card Reader Parallel SCSI Power Printers Dual RS232 HS Product ID 0x6010 Vendor ID 0x0403 Future Technology Devices Intemational Limited Serial ATA Version 7 00 use Speed Up to 480 Mb sec Manufacturer FTDI X Wewer Location ID 0x26200000 Aat Current Available mA 500 Firewall Current Required mA 500 Locations Modems DH Volumes AM The driver will show up as Dual RS232 HS entry in the USB device tree under Hardware USB The Telescope Interface Module will enumerate the correct device entries automatically Telescope Interface Module User Manual 1 2 Preparing the Network connection Connect the Telescope Interface Module to a hub or switch on your local network The Ethernet connection is preconfigured to use the static IP address 192 168 1 10 per default The connection settings can be configured via web browser if the client is on the same sub net e g by changing your IP address temporarily to 192 168 1 1 Open a browser and enter 192 168 1 10 into the address bar login with the user name admin and leave the password field empty LANTRONIX pg Obtain IP address automatically Auto Configuration Methods _Server_ BOOTP Enable Disable DHCP Enable Disable AutolP Enable Disable DHCP Host Name Use the following IP configuration IP Address 192 168 1 10 Configurable Pins Subnet Mask 255 255 255 0
33. ing environment e Please do not operate the Telescope Interface Module in a high electromagnetic radiation environment EMR The T I M contains sensitive low voltage CMOS devices that might not operate correctly in a high EMR environment e The Telescope Interface Module can be cleaned with a damp cloth when the power is turned off Water or other fluids must not enter the Telescope Interface Module since it can cause permanent damage Do not use other cleaning solutions such as alcohol based cleaners In case of any hardware problems please contact our technical service department before you call make sure you the software and hardware version number see section settings Table of Contents Safety Precautions sssccsssssccsssseeees VE EEN EN Wee 2 1 Installing the Telescope Interface Module Gergen EE eege 6 11 Installing the USB Driver euer ENEE EEN 6 1 1 1 Installing the USB Driver Under Windows 6 1 1 2 Installing the USB driver under Unug 6 1 1 3 Installing USB Drivers Under Mac OX 7 1 2 Preparing the Network connection cccsscccesssccecesseeeeceseeeececeeeeeceeeeeeecscceeeeseeseneaecsceeeaeceeeeeaeesenaaeess 8 2 Installing the Software s008 ET isores T T 10 2 1 Installation under Windows 10 2 2 Installation nder LINUX ege Ed n a a a at 10 2 3 Installation under Mac OSNA eae e a E e aaaeaii 11 3 Using the Telescope Interface Control Application scccs
34. ion will change in accordance with the sensitivity setting Rotate clockwise to increase rotator position move the rotator clockwise and counter clockwise to decrease rotator position move the rotator counter clockwise The next field on the lower line of the display is Position Mode The two available position modes are Relative Rel and Absolute Abs positioning In absolute mode the rotator position is relative to an internal reference point and positioning is repeatable between observing sessions In order to place the TIM into absolute positioning mode move the Rotator to the home position by pressing the Home Enter button Telescope Interface Module User Manual Press the Home Enter button to confirm the home slew or the Menu Cancel button to cancel During a home slew the rotator position is displayed during motion Pressing the Menu Cancel button on the hand controller will abort the home slew Since a full rotation takes some time the instrument rotator contains two internal reference points positioned 180 degrees from one another While rotating home the rotator will stop at the first reference point detected and the displayed positions will be reset to either 0 or 180 degrees depending of which home sensor is detected first 4 4 Cooling Fan Control To place the TIM in Cooling Fan mode toggle the Menu Cancel button until the Fan Control screen is displayed The Cooling Fan operating mode is set by toggling t
35. isconnect Record Focuser Rotator Fan Temperature Pri Mirror Cover Primary Mirror Cover Controller Cover 1 Status MID POSITION The cover flap controller allows the user to remotely open or close the mirror cover if they have been installed Otherwise this dialog pane can be disabled in the menu view gt show Pri Mirror Cover Tab The user can specify the flap speed in the settings dialog please refer to the settings section in this manual 3 4 1 Opening the Primary Mirror Cover The mirror cover will open pair wise if the user clicks the open button The full procedure to open the mirror cover will take a few seconds during which the user can observe which flap is currently opening Once the mirror cover is fully opened the status display will show it accordingly During any time the user can stop the motion by clicking on the abort button 3 4 2 Closing the Primary Mirror Cover Closing the mirror cover functions accordingly Click on the close button and observe which flap is currently moving Once all flaps are closed the status will be updated accordingly Any mirror cover motion can be aborted immediately if the user clicks the abort button 3 5 Instrument Rotator Control Activate the Instrument Camera Rotator by clicking on the Rotator icon in the toolbar o File Settings View Help ed l o Disconnect Record Focuser Rotator Fan Temperature Pri Mirror Cover Instrument Rotator Controller Position Degre
36. n in a library to compute square roots has a purpose that is entirely well defined independent of the application Therefore Subsection 2d requires that any application supplied function or table used by this function must be optional if the application does not supply it the square root function must still compute square roots These requirements apply to the modified work as a whole If identifiable sections of that work are not derived from the Library and can be reasonably considered independent and separate works in themselves then this License and its terms do not apply to those sections when you distribute them as separate works But when you distribute the same sections as part of a whole which is a work based on the Library the distribution of the whole must be on the terms of this License whose permissions for other licensees extend to the entire whole and thus to each and every part regardless of who wrote it Thus it is not the intent of this section to claim rights or contest your rights to work written entirely by you rather the intent is to exercise the right to control the distribution of derivative or collective works based on the Library In addition mere aggregation of another work not based on the Library with the Library or with a work based on the Library on a volume of a storage or distribution medium does not bring the other work under the scope of this License 3 You may opt to apply the terms of the ordinary GNU
37. nnot connect via network The TIM Control Application does not find any serial ports Verify a correct physical connection use different USB cable Verify that the driver has been installed correctly Check that you have necessary permissions to open the serial device Verify the correct IP address and subnet mask your computer must be on the same network in order to be able to connect to the TIM Use the Lantronix Device Installer to assign a correct IP address Do not use dynamic address assignment DHCP Use ping to verify the network connection If ping is successful but the connection cannot be established make sure that your firewall allows access to port 10001 Use telnet to test the connection to port 10001 if telnet does not connect please verify the serial parameters 57600 8 N 1 Make sure that the driver is installed correctly Verify your permissions try running the application as super user Make sure the TIM Controller is plugged in and powered correctly Telescope Interface Module User Manual 38 6 Appendix GNU LESSER GENERAL PUBLIC LICENSE Version 2 1 February 1999 Copyright C 1991 1999 Free Software Foundation Inc 51 Franklin Street Fifth Floor Boston MA 02110 1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document but changing it is not allowed This is the first released version of the Lesser GPL It also counts as the successor of the GNU Libr
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40. onnecting to the Telescope Interface Module After the application has been installed successfully connect the Telescope Interface Module to your computer using either USB or Ethernet apply power and turn on the system Next start the control software File Settings View Help D3 Connect Telescope Interface Module User Manual Before hitting the connect button in the toolbar the user must specify the connection parameters in the settings menu 3 2 1 Using the USB connection Choose USB Connection as the preferred connection method when the Telescope Interface Module is connected via USB The dialog will list all possible serial COM ports please select the correct COM port for the Telescope Interface Module Note The Telescope Interface Module shows up as two virtual COM ports usually enumerated in succession e g COM11 COM12 Under normal circumstances the lower COM port is for remote operation of the Telescope Interface Module the higher port is used for firmware updates The user should try to user the lower COM port for a first connection try if this is not successful please try another port 3 2 2 Using the Ethernet Connection In order to use the Ethernet connection please select Network Connection as the preferred connection method The dialog will ask for an IP address and the correct application port The port by default is 10001 if the user did not change the port address in
41. or Pwm Pri Mirror Cover E em Load from File Focuser Settings Temperature Coeff 0 000000 mls Save to File fer in a Oma z write omm leadband Time 0 0s E Turn off Current when in deadband Temperature Coefficient The temperature coefficient d determines the amount of temperature compensation of the focuser Temperature compensation is based on the temperature change 7 T of the ambient temperature sensor The focuser implements a simple proportional control based on a currently 60 second ambient temperature average The corrected step count Acntis calculated as follows Acnt 100 T Ti d Temperatures are always given in degrees Celsius Temperature Coefficient Minimum The temperature compensation is only applied to the focuser position if the calculated step count exceeds a certain minimum threshold This minimum threshold can be set with this parameter Default setting is 400 Maximum Current This parameter specifies the maximum allowable current of the focuser motor This is a security setting in case the focuser runs into its physical limit Once the current threshold has been exceeded the motor power will be turned off Default is 1700mA Please note that the old style focuser requires higher current settings since it is slewing into its physical hard limit to detect a home position use 4000mA Telescope Interface Module User Manual Dead band Settings The Telesco
42. our free software and of promoting the sharing and reuse of software generally NO WARRANTY 15 BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE THERE IS NO WARRANTY FOR THE LIBRARY TO THE EXTENT PERMITTED BY APPLICABLE LAW EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND OR OTHER PARTIES PROVIDE THE LIBRARY AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE LIBRARY IS WITH YOU SHOULD THE LIBRARY PROVE DEFECTIVE YOU ASSUME THE COST OF ALL NECESSARY SERVICING REPAIR OR CORRECTION 16 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER OR ANY OTHER PARTY WHO MAY MODIFY AND OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE BE LIABLE TO YOU FOR DAMAGES INCLUDING ANY GENERAL SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE LIBRARY INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES END OF TERMS AND CONDITIONS
43. pe Interface Module applies a holding current to ensure that the Focuser Motor stays in a certain position The Focuser is designed to stay at a stable position without the need of a holding current which injects heat to the system The user can specify that the holding current will be turned off when the target position has been reached and a certain timeout has passed The timeout can be specified in 0 1 second increments This dead band behavior can be enabled or disabled by setting a check mark into the relevant check box 3 8 3 Instrument Rotator Settings Rotator Settings Positive Limit 0 00 Negative Limit 0 00 E Enable Software Limits The Rotator Settings set the parameters of the software limits If Enable Software Limits is checked the focuser will stop movement once the current position exceeds a software limit Software limits are specified in degrees for both the positive and negative limit A reasonable software limit for example would be 3 full rotations thus the correct value to enter would be 3x 360 0 1080 0 Software limits by default are disabled 3 8 4 Temperature and Fan Settings The parameters of the Fan and Temperature Settings tab specify the regulation parameters of the fans and the secondary mirror heater All parameters are calculated based on temperatures in Celsius Fan Temperature Settings a Load from File Fan Deadband 0 0 rove a Secondary Heater Settings
44. please verify the computers firewall settings Most Windows Systems will ask the user when an application tries to connect to a system via network and an appropriate permission is needed e The connection will not succeed if another computer is currently connected to the TIM e USB requires less configuration if the Ethernet connection is not successful please try the USB connection first 3 3 Fan and Temperature Control To change to the Temperature and Fan Control tab please click on the Fan Temperature icon in the toolbar Eronen File Settings View Help ers J e Record Rotator Fan Temperature Pri Mirror Cover Fan and Temperature Controller Temperature WFAN MSEC MAUX A 4b eC Eele SEERNE E AutoFan 3 3 1 Manually changing pulse width modulated power The left four sliders in the control window are used to control the pulse width modulation PWM for either the fans the secondary heater the auxiliary power if installed or the external RCA power The power is regulated from 0 to 100 each slider can be disabled by deselecting the appropriate check box Manually setting the power can only occur if the auto mode is disabled Either use the mouse to select and move the slider or conveniently use the mouse wheel to change the slider position 3 3 2 Temperature Display The temperature display shows the temperature of all three temperature sensors of the system The upper temperature display shows the Ambi
45. r kernel and so on of the operating system on which the executable runs unless that component itself accompanies the executable It may happen that this requirement contradicts the license restrictions of other proprietary libraries that do not normally accompany the operating system Such a contradiction means you cannot use both them and the Library together in an executable that you distribute 7 You may place library facilities that are a work based on the Library side by side in a single library together with other library facilities not covered by this License and distribute such a combined library provided that the separate distribution of the work based on the Library and of the other library facilities is otherwise permitted and provided that you do these two things a Accompany the combined library with a copy of the same work based on the Library uncombined with any other library facilities This must be distributed under the terms of the Sections above b Give prominent notice with the combined library of the fact that part of it is a work based on the Library and explaining where to find the accompanying uncombined form of the same work 8 You may not copy modify sublicense link with or distribute the Library except as expressly provided under this License Any attempt otherwise to copy modify sublicense link with or distribute the Library is void and will automatically terminate your rights under this License However
46. r by copyrighted interfaces the original copyright holder who places the Library under this License may add an explicit geographical distribution limitation excluding those countries so that distribution is permitted only in or among countries not thus excluded In such case this License incorporates the limitation as if written in the body of this License 13 The Free Software Foundation may publish revised and or new versions of the Lesser General Public License from time to time Such new versions will be similar in spirit to the present version but may differ in detail to address new problems or concerns Each version is given a distinguishing version number If the Library specifies a version number of this License which applies to it and any later version you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation If the Library does not specify a license version number you may choose any version ever published by the Free Software Foundation 14 If you wish to incorporate parts of the Library into other free programs whose distribution conditions are incompatible with these write to the author to ask for permission For software which is copyrighted by the Free Software Foundation write to the Free Software Foundation we sometimes make exceptions for this Our decision will be guided by the two goals of preserving the free status of all derivatives of
47. rget position and the camera focuser will start moving The database will be stored automatically and is available at the next startup The application will store a unique database for every login user Entries will be added automatically into the database when the user sets the Focal Point Position and or Secondary Deviation Position Existing Focal Point Secondary Deviation Positions will be overwritten 3 6 5 Focuser Temperature Compensation The Camera Focuser can automatically compensate for temperature dependent focus shifts Temperature Compensation will be enabled by setting a check mark into the Temperature Compensation check box Temperature compensation can be operated in either manual mode or in automatic mode In automatic mode temperature compensation is calculated every 60 seconds and the focuser position is adjusted if a user settable position threshold is exceeded Temperature Compensation is based on the ambient temperature which is averaged over a certain time period to mitigate short term temperature effects Please keep in mind that temperature compensation might have unwanted effects when exposing images In this case manual mode temperature compensation might be the better choice In manual mode temperature compensation will only be applied to the focuser position when the user hits the m sync button Temperature effects that have been accumulated since the last sync event will be applied to the focuser position if the ef
48. rotate the position dial and the focus position will change in accordance with the sensitivity setting Rotate clockwise to increase focus position move the secondary mirror toward the primary mirror and counter clockwise to decrease focus position move secondary mirror away from primary mirror The next field on the lower line of the display is Position Mode The two available position modes are Relative Re and Absolute Abs positioning In Absolute mode the focus position is relative to the fully retracted secondary actuator position The secondary actuator contains a precise optical limit sensor which is detected during the homing procedure and is a highly repeatable reference point To place the TIM into absolute positioning mode move the focuser to the Home position by pressing the Home Enter button Telescope Interface Module User Manual During a home slew the focus position is displayed continuously Pressing the Menu Cancel button will abort the home slew Once the home sensor is detected the focuser will initiate a fine slew to detect the precise home position After this the focuser moves to position 500 Note When the focuser slews into the optical limit the slew will be stopped and the focuser will slew off the limit automatically by 500 counts The behavior for old style focusers will be different If a hard limit was tripped the focuser will display an error The user will need to press the Menu Cancel button to re
49. rt the system disk and install the FTDI driver Please verify the correct driver installation Under Windows check the device manager for the correct driver installation The Telescope Interface Module will show up as two consecutive USB serial port drivers og WHCE om ULI Hu us E Monitors Sr Network adapters a F Ports COM amp LPT gt USB Serial Port COM11 Y USB Serial Port COM12 DI Processors The Telescope Interface Module provides two virtual COM ports one COM Port is used for remote operation whereas the second COM port is used for fail safe firmware update The user should try to establish communication using the lower COM port first if this is not successful please use the other COM port 1 1 2 Installing the USB driver under Linux All supported Linux distributions Linux Kernel version 2 6 x have the correct FTDI driver built into the kernel If you are using a custom kernel please make sure that the kernel supports the ftdi_sio driver Connect the T I M to the USB port and apply power Please use the following command to ensure that the driver was loaded correctly sudo sbin lsmod grep n usbserial Please verify that according to the console output that the driver was loaded root fedora File Edit View Terminal Help root fedora sbin lsmod grep n usbserial A 3 usbserial 37984 1 ftdi sio root fedora ls dev ttyUSB root fedora The command 1s dev ttyusB will list
50. ry Dew H aters scicscectcessteceissasecevssssscedesasicdcess iacees tated satis desea licen dau Ped AAAA aA aai aaia 35 4 7 External RCA Power Controller eecscesesceceeeeeesaeeeeaeeceeeeceaeeeeaaeeeeaaeceaeeesaaeseeaeeseaeeeeaaeeeeaaeeeaeesaes 35 4 8 Primary Mirror Cover Controlleticicscicceciscecatesseecaicrecevevcaecaccscevaatacetecvcegucsecutbasevaabesetecucadeeeatageendss 35 5 Troubleshooting T G tt Riedgen DEE Nee 37 6 ADD SINGIN EE Telescope Interface Module User Manual Software Installation 1 Installing the Telescope Interface Module 1 1 Installing the USB Driver The Telescope Interface Module T I M can be operated using the hand paddle or using the Telescope Interface Control Application Communication can occur via USB connection max 30m or Ethernet max 100m connection When using the T I M solely via the Ethernet connection no drivers need to be installed When using the USB connection most operating systems will recognize and install the driver automatically Please keep in mind that a USB connection is necessary for performing firmware updates 1 1 1 Installing the USB Driver under Windows Most recent Windows versions will automatically recognize the USB connection and install the correct drivers Older Windows systems will require a manual driver installation Windows based drivers are provided on the software disk in the driver folder If the driver is not automatically installed inse
51. set the hard limit error before another slew will be accepted If a hard limit was encountered the homing position has been lost and the focuser needs to be homed again 4 3 Instrument Rotator Control To place the TIM in Instrument Rotator mode toggle the Menu Cancel button until the Rotator screen is displayed There are two displayed rotator positions in units of degrees of revolution The Set Point is the target position and Actual is the instantaneous rotator position The instrument rotator uses a high quality stepper motor which drives a worm gear The overall step resolution of the instrument rotator is 1 200 degree of revolution and the slew speed is 3 5 degrees second When the TIM commands the rotator to slew to a new position the Set Point is position is displayed and the Actual instantaneous position is displayed as the rotator is slewing The slew is stopped when the Set Point and Actual position are equal A slew of 360 degrees of instrument rotation takes approximately 120 seconds A slew can be aborted by pressing the Menu Cancel button The position dial Sensitivity is displayed on the left side of the lower line The sensitivity is set by toggling the Mode button on the hand controller The available sensitivities are Super Fine SF Fine FN Coarse CS and Off Use the Off setting to prevent inadvertent change of rotation while imaging To move the rotator simply rotate the position dial and the rotator posit
52. ssccssssscesssseees L4 Dale gelen EE 14 3 2 Connecting to the Telescope Interface Module s nsnssssssssssnssssesenrrsrssssrrernrssssssesrernesnssssrrernesnssene 14 32 1 Using Eege E 15 3 2 2 Using the Ethernet Connection 15 3 2 3 Connecting to the Telescope Interface Module s sssssssssssssssssssssesssssrresrretnretnnesnsneennsennesnnennen 16 3 3 Fan and Temperature Control 17 3 3 1 Manually changing pulse width Modulated power s ssssssssssssssssssrrsssrnsssrnssrennssesnnnssrennsseennsss 17 3 3 2 Temperature KEE 17 353 3 Auto MOE El CN 17 3 4 Primary Mirror Cover Control vccvecstececeSicaweesasveiancatecstaeneteree anes AAEE teen Si aweesltaauetiaten te 18 3 4 1 Opening the Primary Mirror Cover 18 3 4 2 Closing the Primary Mirror Cover 19 3 5 Instrument Rotator COntrol ceecceeessceeseeceeeceeeeeeeeaeeeeaeeeeaaecsaaesaneeesaeecssaaeseaaeesnaeeeeaaeeeeeeseneaeenaes 19 3 5 1 POSItiON Dis Pl AY EE 19 3 5 2 Homing the Instrument Rotator eccccccsssececsesnececeeneeeeseaeeeceecaeeecseaaeeecscesaeeecseaaeesesenaeeeeseaes 19 3 5 3 Moving the Instrument Rotator 20 3 5 4 Using the position database ccccccccccssssssssceeececesseseaececeesseeseseaesesecssessseaeaeaeeeessessesneaeeesens 20 3 6 Operating the Camera Focuser test ttnt ttt esst tt tSS tE tESS EEES SEEE Essen Enst ne nsten nant 21 3 6 1 POSITION REI EE 21 3 6 2 Homing the Camera Focuser iiocs sscceceacectcecsvicecesteves ee
53. stribute copies of the library whether gratis or for a fee you must give the recipients all the rights that we gave you You must make sure that they too receive or can get the source code If you link other code with the library you must provide complete object files to the recipients so that they can relink them with the library after making changes to the library and recompiling it And you must show them these terms so they know their rights We protect your rights with a two step method 1 we copyright the library and 2 we offer you this license which gives you legal permission to copy distribute and or modify the library To protect each distributor we want to make it very clear that there is no warranty for the free library Also if the library is modified by someone else and passed on the recipients should know that what they have is not the original version so that the original author s reputation will not be affected by problems that might be introduced by others Finally software patents pose a constant threat to the existence of any free program We wish to make sure that a company cannot effectively restrict the users of a free program by obtaining a restrictive license from a patent holder Therefore we insist that any patent license obtained for a version of the library must be consistent with the full freedom of use specified in this license Most GNU software including some libraries is covered by the ordinary GNU G
54. t this feature is only useful if the Rotator has been homed and thus the absolute position is known If the user clicks the add button a new entry will be added containing the last position and a timestamp in UTC The new entry can be edited by clicking the name or position cell respectively An entry can simply be deleted by clicking the delete X icon If the user whishes to slew to a position listed in the database please select the relevant entry and click the ok button If confirmed the rotator will set the database position as the new target position and the instrument rotator will start moving The database will be saved automatically and is available at the next startup The application will store a unique database for every login based user 3 6 Operating the Camera Focuser Enable the Camera Focuser by clicking on the Focuser icon in the toolbar iii Talezcope interface Moie File Settings View Help mevaiis Disconnect Focuser Rotator Fan Temperature Pri Mirror Cover Focuser Position Controller Name Date 1 Home Position 2010 03 26704 51 38 2 Last Position r 2010 04 13T22 56 37 3 Focal Point Pos 2010 04 15T04 49 34 4 Sec Deviation Pos 2010 04 15T04 49 46 The Focuser Control tab allows the fine positioning of the Camera Focuser The Focuser position is given in steps one step corresponds to 1 40000 of an inch The control tab works similarly to the rotator controller but offers some additional fe
55. u can be disabled using the TIM Control Application using the settings menu in case that the primary mirror covers are not installed 31 Telescope Interface Module User Manual 4 2 Focuser Control The TIM s default mode after power up is Focus or can be placed in focus mode by scrolling through the functions with the Menu Cancel button When in focus mode the following information is displayed There are two displayed focus positions The Set Point which is the target position and Actual which is the true focuser position Each count corresponds to 1 40 000 inch of secondary mirror movement which is approximately 40 times the focus tolerance of a typical f 9 RC The actual focus position is displayed along with the desired position so that any position errors which can occur with increased mechanical resistance can be easily detected The TIM has been tuned by default to balance stability with accuracy typically there will be no difference between actual and set focus positions but a difference of a few counts is well within the design parameters and well within the telescope focus tolerance The position dial Sensitivity is displayed on the left side of the lower line The sensitivity is set by toggling the Mode button on the hand controller The available sensitivities are Super Fine SF Fine FN Coarse CS and Off Use the Off setting to prevent inadvertent changes of focus while imaging To change focus simply
56. ven higher priority while the Telescope Interface Module is in remote operation it cannot be controlled using the hand controller Once the application disconnects the connection control will be returned to the Telescope Interface Module Position Dial Use the Menu Cancel button to scroll through the various T I M functions The Menu Cancel button is also used the cancel a selection or to return from a sub menu For example press the Menu Cancel button to cancel a request to slew home while in Focus or Instrument Rotator mode Use the Home Enter button to enter into sub menus pertinent to any given function and to confirm a prompt for action For example pressing the Home Enter button while in either Focus or Instrument Rotator mode will cause the Confirm Slew Home prompt to be displayed Pressing the Home Enter button again would then initiate a slew to home position The Position Dial knob is used to set the position or power for the various modes While in Focus or Instrument rotator modes use the dial knob to change position While in Fan Secondary heater or Auxiliary output modes use the dial knob to change the power setting The Mode button scrolls between modes of operation available to any given function Telescope Interface Module User Manual 4 1 Menu sequence The following diagram shows the different T I M functions when scrolling through the menu using the Menu Cancel button The primary mirror cover men
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