EDTE : VTU Software
Contents
1. sets the target to 320 0K waits for a 5 minutes stabilization time after a precision of 0 5K and displays the reached Sample Temperature 40 45 BRUKER Edte Version 002 Figures Edte Version 002 1 The Edte Software 7 Figure 1 1 Edte Splash Screen ie eek ek AR AA ee ede ee dd eek ee 7 Figure 1 2 Edte Main Window seisein Da ee ee ee ee ee ee ee ee ee ee de ee 7 Figure 1 3 Save Configuration Window nnn RR ee ek ee ee 8 Figure 1 4 Load Configuration Window eie ek RR ee ek ee 9 Figure 1 5 Download Window 9 Figure 1 6 Upload Window 10 Figure 1 7 Temperature Correction Window iii nnen eneen 11 Figure 1 8 Temperature Correction is used issie eneen ennen eneen 11 Figure 1 9 Correction is used The toggle button is blue 12 Figure 1 10 No Correction The toggle button is gray nnen 12 Figure 1 11 Target Limit Window 2 0 eek seen e eect ee RR neta ek ee ek ee ee ke ee 12 Figure 1 12 Self Tune Window sssesssnenenssnnnnsnannnnnnnnnnnnrnnnnnnnnnnnn 12 Figure 1 13 Selft Tune is running iese ee ke ee RR Ee AA ee AR ee ee ee nnen 13 Figure 1 14 Self Tune is performed iese ek Ee AR EA ee ee ee eke ee 13 Figure 1 15 Cutback Window nanne eneen ee ee ee eek ee ek ee ee ee ee 13 Figure 1 16 Ramp Window ee ee eek RA ee ee Aai ee TAA 14 Figure 1 17 Monitoring Ramps 14 Figure 1 18 Monitor Window ee see ek onee ee ee2. ar ar ET HET EE ET EET EET Elapsed time EEE When moving the mouse over the series of points a vertical axis is displayed The Elapsed Absolute time and the sensor values and description are displayed in the right part of the screen Time can be displayed as elapsed First point is taken as time reference or absolute time Date is also displayed 18 45 BRUKER Edte Version 002 Edte Version 002 The Menu Bar The viewer allows zooming on the x and y axis using the mouse Press the left mouse button in the background and drag to define the interest area Release the mouse button to define the zoom area Use the horizontal and vertical scrollbar to move the interest area To reset the zoom click the Reset Zoom button The Info button displays a window containing informations about the record file date time user comment The user can enable or disable a serie of point in the popup menu attached to the right mouse button BRUKER 19 45 The Edte Software The Dual menu 1 8 5 20 45 This menu is available if the connected temperature unit is a BEST With a BEST the main window has additional inforrmations to control the second eurotherm Figure 1 26 The Main Window enhanced in BEST mode Liquid temp Target temp The buttons work the same way as for a standard temperature unit with one euro therm Some special settings are common to both eurotherm and aut
3. BRUKER 41 45 Figures 42 45 Figure 3 1 Thermal stabilization process nennen ee eee 30 4 Directories and File Formats 31 5 AU Program and Command Line instructions 37 BRUKER Edte Version 002 Tables Edte Version 002 1 Table 1 1 Example of AutoSave Generated Filename 2 3 The Edte Software Self Tune Batman Directories and File Formats AU Program and Command Line instructions BRUKER 25 29 31 37 43 45 Tables 44 45 BRUKER Edte Version 002 Edte Version 002 BRUKER 45 45
4. EDTE VTU Software User manual Edte Version 002 BRUKER The information in this manual may be altered without notice BRUKER accepts no responsibility for actions taken as a result of use of this manual BRUKER accepts no liability for any mis takes contained in the manual leading to coincidental damage whether during installation or operation of the instrument Un authorised reproduction of manual contents without written permission from the publishers or translation into another lan guage either in full or in part is forbidden This manual was written by Patrice FRITSCH April 3 2000 Bruker SA Wissembourg France Manual P N Z31464 DWG Nr 1171 002 Contents Contents E 3 INdeX nn EE N N EE EE 5 1 The Edte Software 7 1 1 Starting EDTE saret Ee beta 7 1 2 Edte Main Window iese eek eek nennen AR GR ee Re ee ae eek ee ee 8 1 3 The Menu Bat tan ee ie 8 The File menu a tte ae 8 The Setup Menu ese dee sd ek ed AR ee ee ek ed eke ee 10 The Control menu ee see se ER ER ee RR ee ee ee ee ee 11 The Data En EEN 15 The Dual menu siisii an n eenen ennen nennen 20 The Help men srren 0008202202000 aan 21 The Display Area nanne ennn ENNEN 21 The Status Bari aan an ande ee edad eee 24 2 Eege 25 2 1 Whatiisa self tune ss degt SEER ere BEEN EES EER SEER DEER dek 25 2 2 Self Tune process is ee dek ER EA AA Ak AA ee ek ee ee ee ee 25 2 3 When should a self tune be carried out
5. 26 2 4 How to perform a self tune ees ee ee ee ee ee ee ee ee de ee 27 2 5 How to store temperature parameters nnee 28 Save a set of temperature parameters nnen enen 28 Read in a set of temperature parameters iis 28 2 6 Adaptive TUNG zn rrd EE ER De dra merendeel 28 3 Bana AR EE AE N 29 3 1 Bruker Adjustment Temperature MANagement 29 4 Directories and File Formats keen 31 4 1 Edte Directories anne ee ee AA ee ee nennen 31 4 2 Edte Files una ein In len da 31 Record Fleege Ee e heen EER hk Gee hee 31 ie se MR ER RE EO OE 33 Gorrectioim files uns ni ii 34 AU Program and Command Line instructions 37 5 1 Using the XWin Nmr command line sans 37 The TE parameter sen 37 ss RA OE AE EN 37 Edte Version 002 BRUKER 3 45 Contents 4 45 5 2 LEGT WEE 38 TEREADY AE OT RE N 38 da EER EE ER N HE 38 Using an AU Program nanne dee ee ee ee ee ee ee ee 38 The TE parameter sie EE Ge eg ee ee ge ek Geet 39 TEGET nr AM OE nde 39 ads EE eat 39 TEREADY RR N OE ER OE tenten 39 LA EE EE den 39 Example EER Re veder val Re nee an EER RE GR AE De De EG ED RE 40 Figures nn a 41 Table S nn 43 BRUKER Edte Version 002 Index Edte Version 002 BRUKER 5 45 Index 6 45 BRUKER Edte Version 002 The Edte Software Starting EDTE Edte Version 002 Although the Eurotherm controller may be operated manually it is far easier to use the XWIN NMR software This enables the value of various par
6. Eurotherm Software 0 100 Mainboard Hardware Mainboard Software Edte User s Manual pdf Displays this manual with Acrobat Reader 1 3 7 Edte Version 002 The display area contains the most important informations coming from the tem perature unit The sensor temperature The target temperature The heater power state e The gas flow level state The cooling power state and several buttons to setup and activate different temperature unit functions Setting target temp Start Stop heating e Setting max power e Increase decrease gas flow level e Start Stop cooling e Setting cooling power BRUKER 21 45 The Edte Software Changing the target temp To change the target temp click the Change button near the Target Temp value the yellow one The following window will appear Figure 1 28 Set Target Window Sample target temp Sensor target temp Iess ok zm em Enter in the Sample Target Temp field the desired temperature If temperature correction is used a new value will be calculated in the Sensor Target Temp field This value will be applied Figure 1 29 Set Target Window Sample target temp Sensor target temp Iess Lok well ol Starting Stoping heating To start stop heating click the button at the left of the output power value the red one Its label will switch from Off to
7. On If the power is switched off due to missing gas flow the label will show the heater status switch to Off without user interaction If there is overheating the output power will contain a blinking error message OVERHEAT Changing the Max Output Power To change the High Power Limit click the Set Max button or use the right mouse button on the output power The right mouse will display values in a list in 5 step Select a value In the Max Power Window use the scale bar or enter the value in the text box Apply the changes and Close the window Figure 1 30 Set Max Power Window 22 45 BRUKER Edte Version 002 Edte Version 002 The Menu Bar Changing the gas flow To change the gas flow use the or button Another possibility is to use the right mouse button on the displayed value A list of 16 values will appear Just select the desired gas flow If there is no gas flow the blinking error message MISSING will appear instead of the gas flow level Starting Stoping cooling Same as for Heating Changing the cooling power Same as for Heating Figure 1 31 Set Cooling Power Window Cooling Power 0 pur The Cooling display is also used to inform the user about the LN2 level Instead of the cooling power a REFILL or EMPTY message may be displayed BRUKER 23 45 The Edte Software The Status Bar 1 3 8 24 45 The status bar displays information about r
8. are saved in the u exp stan nmr lists eurotherm corr directory Parameters This file contains two sections ProbeHead and Correction The ProbeHead section contains the Id and Description of the current probe head as set with edhead A warning is displayed if the user wants to load a cor rection file which probehead does not match the current one The Correction section contains the correction parameters Offset and Slope and the flag indicating it is enabled or not Corr On or Off BRUKER Edte Version 002 Edte Version 002 Edte Files Exemple 1 This example show the correction file when Correction is disabled ProbeHead Id 7 Desc 5 mm QNP 1H 13C 31P 19F Z grad Correction Corr Off Slope 1 00000 Offset 0 00000 Exemple 2 This example shows a linear correction of 2 degrees ProbeHead Id 7 Desc 5 mm QNP 1H 13C 31P 19F Z grad Correction Corr On Slope 1 00000 Offset 2 00000 With this set of correction applied a sample target temperature of 320K will be send to the Eurotherm as a 322K sensor target temperature BRUKER 35 45 Directories and File Formats 36 45 BRUKER Edte Version 002 AU Program and Command Line instructions Using the XWin Nmr command line 5 1 The TE parameter One parameter and four commands are available to the user to interact with the temperature unit within an AU program or usng the XWin Nmr command line 5 1 1 TESET TE is always in KELVIN TE
9. file is specified the list of available parameter files are dis played in a list Click a filename to apply it s values Using an AU Program 5 2 All the above described function can be included in an AU Program The syntax is a little bit different for some commands 38 45 BRUKER Edte Version 002 The TE parameter Using an AU Program 5 2 1 Setting TE STOREPAR TE Reading TE F ETCHPAR TE where value is a float value amp value Reading the Sample Temperature To read the Sample Temperature use FETCHPARS instead of FETCHPAR after a TEGET command T D EG ET ETCHPARS TI E amp value TEGET 5 2 2 Syntax TEGET If a compilation error occurs use the following line instead of TEGET SETCURDATA AUERR CPR_exec teget WAIT_TERM TESET 5 2 3 Syntax TESET TEREADY 5 2 4 Syntax TEREADY Stability Duration Precision where Stability Duration is an integer and Precision a float TEPAR 5 2 5 Edte Version 002 Syntax TEPAR filename where filename is a string variable or constant string BRUKER 39 45 AU Program and Command Line instructions Example 5 2 6 The following AU Program STOREPAR TE 320 0 ESE EREADY 300 0 5 EGE Proc err 1 Sampe Temperature is 2fK n fTE
10. is only available on a BVT3000 or 3300 the menu is grayed if an other model is detected Upload to temperature unit As it is possible to download it is also possible to upload the software of the BVT3000 or BVT3300 mainboard in order to save the software Edte asks for the NMR superuser or root password to begin the process This menu should only be used by the Bruker Service Engineers BRUKER 9 45 The Edte Software The Setup Menu Figure 1 6 Upload Window Save as BVT3000_2103 hex Click Start to begin upload Edte automatically generates a file name and the user has just to click the start button to begin the upload process The total number of bytes already uploaded is displayed while uploading At the end the window informs the user that the upload was successful The files are located in the u exp stan nmr lists eurotherm hex directory As this function is only available on a BVT3000 or 3300 the menu is grayed if an other model is detected Exit Quit the program 1 3 2 10 45 Units Allows the user to select the desired temperature unit Celsius Kelvin Fahren heit The currently active temperature unit is marked Not available temperature units are grayed Sensors Choose the sensor you have connected Only the available sensors are pro posed others are grayed Display Set the decimal precision to 0 1 or 2 digits Unavailable for most temperature controlle
11. the main window Figure 1 21 State 1 No settings for recording k Figure 1 22 State 2 Record can be started is stopped P Figure 1 23 State 3 Recording is active k The user has to set the filename the time interval between two points general in formations and the parameters to store Time Interval can be entered using the HH MM SS or HHh MMm SSs format Standard time intervals are proposed by Edte when clicking the right button over the Time Interval text field When the settings are applied the record bitmap indicator of the main window sta tus bar changes from 1to 2 If the file already exists the user has to confirm that he wants to overwrite the file The files are located in the u exp stan nmr lists eu rotherm record directory Start Recording Starts recording the bitmap indicator changes from 2 to 3 Recording can also be started by clicking the bitmap in the state 2 Stop Recording Stops recording the bitmap changes from 3 to 2 Recording can be stopped by clicking the bitmap in the state 3 Edte Version 002 BRUKER 17 45 The Edte Software Display recorded datas Recorded Datas can be displayed with a viewer The user has to select the record file using the file browser Figure 1 24 Load Recorded File Window Filter Directories Files al PFS PT Bde Filename EE When a file is selected a viewer similar to the Monitor appears Figure 1 25 Viewer Window
12. the software Example Version Version BVT3000 Parameters SP 320 00 HO 20 00 AF 6 NH 1 XP 68 40 Tl 160 00 TD 26 70 Compatibility Files stored with a previous version of Edte before XWin NMR 2 0 cannot be loaded with this new version of the software The user will have to create new tcf files BRUKER 33 45 Directories and File Formats Correction files As previous parameter files are ASCII files it is possible to print them from a unix shell They are located in the u exp stan nmr lists eurotherm directory and have the following format SL 303 3 HO 20 0 TI 10 0 TD 1 7 HB 7 6 LB 26 3 XP 5 3 HP1 NPO BP 0 0 RR 0 0 TR 17 0 S2 298 0 OS gt 0 XS gt 4 XP TI TD are the PID values They can be manualy entered in the Self Tune Win dow SL is the setpoint SP HO is the Max Output Power NP is the Nitrogen Power toEdte Another solution is to use the toEdte PerlScript to convert older parameter files This script is located in u exp stan nmr lists eurotherm The Syntax is toEdte lt parfile gt This PerlScript converts the file lt parfile gt to a new file parfile tcf located in the tcf sub directory It extracts the XP TI TD SP HO NP from the older file and gener ates a new parameter file compliant with the new structure 4 2 3 34 45 Correction files are used to store the temperature corrections parameters as setin the Temperature Correction menu They
13. 0 1 60 23 40 25 30 25 20 1372 00 08 07 1997 14 30 14 11 300 00 300 00 1 70 23 40 25 30 25 20 1372 00 08 07 1997 14 30 19 16 300 00 300 00 1 70 23 40 25 30 25 20 1372 00 BRUKER Edte Version 002 TCF Files Edte Files 08 07 1997 14 30 25 22 300 00 300 00 1 60 23 40 25 30 25 20 1372 00 08 07 1997 14 30 30 27 300 00 300 00 1 50 23 40 25 30 25 20 1372 00 08 07 1997 14 30 35 32 300 00 300 00 1 70 23 40 25 30 25 20 1372 00 08 07 1997 14 30 40 37 300 00 300 00 1 50 23 40 25 30 25 20 1372 00 08 07 1997 14 30 46 43 300 00 300 00 1 60 23 40 25 30 25 20 1372 00 4 2 2 Edte Version 002 A TCF file contains several informations about the Variable Temperature Unit These files are generated when using the File Save Load Configuration menu Two section are used to store the VTU parameters Version This section identifies the Variable Temperature Type A BVT3000 tcf file may not be compatible with a BDTC tcf file The software checks the version type Parameters This section contains the parameters of the Variable Temperature Unit The setpoint value is associated to the SP parameter HO represents the Max Ouput Power 0 100 AF is the value of the GasFlow 0 15 NH is the nitrogen heater power 0 100 XP TI TD are the PID values All these values can be set using the Edte Graphic User Interface There is no way to add other parameters to a tcf file If it is necessary to add other parameters modifications must be done in
14. R 15 45 The Edte Software zoom the area To zoom in on the output power follow the same process on the right axis To go back to automatic scale click the toggle button AutoScale With the right mouse button a menu can be activated It displays informations about the current Graphic Display Settings Duration and Interval This menu also displays the name of each displayed sensor Toggle buttons associated to the displayed sensors can be set unset to show hide the curve Monitor settings This menu displays a window for setting the monitor parameters Figure 1 19 Monitor Setting Window Set the Monitor duration using the hh mm ss or HHh MMm SSs format 00 10 00 or 10m Time Interval defines the interval between two temperature acquisitions Auxiliary sensor module This menu displays the Auxiliary sensor module window Figure 1 20 Auxiliary Sensor Module Window amp Scan Chi ScanCh2 Scanch3 Scanch4 EE EN ee It displays the sensor type the measured value and the scan status Only the scanned channels are displayed It is possible to switch from Celcius to Kelvin units A description can be assigned to each channel 16 45 BRUKER Edte Version 002 The Menu Bar Record Settings Recording allows to store in an ASCII file several parameters values concerning the temperature unit at a given time interval The recording status is displayed in the status bar of
15. ameters in partic ular the target temperature to be set For routine use only the following two operations are regularly carried out 1 A self tune is performed 2 The target temperature is set Both operations are most easily carried out using the software 1 1 To start the Edte Graphical User Interface enter edte in the XWIN NMR com mand line A first window appears indicating that the program is initializing Figure 1 1 Edte Splash Screen Temperature Unit Controller 1996 1997 Sadis Bruker EE EP s All rights reserve f System is initializing After a few seconds this window disappears and the Main Window is displayed It may have different aspects regarding to the connected temperature unit With a BDTC BVT3000 or BVT3300 the main window looks like this Figure 1 2 Edte Main Window File Setup Control Data Dal Sample temp Target temp Heater l Gas Flow d Cooling Bo BVT3000 Evaporator J Aux Sensors BRUKER 7 45 The Edte Software Edte Main Window 1 2 The Main Window is divided into three parts The Menu Bar e The Display Area e The Status Bar The Menu Bar 1 3 The menu bar contains six sub menus Program Setup Control Data Dual and Help The File menu 1 3 1 Save configuration Creates a configuration file tcf used to store some parameters of the tempera ture unit such as Target Max Output Power Gas Flow and Self Tune settings Pr
16. be 5 Changing the target temperature by more than 10K Changes that do not require reactivating self tune 1 Changing the sample 2 Changing the target temperature by less than 10 K 3 Turning sample spin on or off BRUKER Edte Version 002 How to perform a self tune How to perform a self tune 2 4 1 The self tune should be carried out under the exact conditions of operation In sert the heater thermocouple and sample The heater can be switched on but first ensure that the target temperature is not too high If a cooling unit or No heater are to be used then they should be operating normally Ensure that the gas flow is attached to the probe base Ifthe experiments are normally carried out with spinning samples then the sample should spin during the self tune 2 Enter the command edte 3 Be sure the heater is on and click the Control Self Tune menu to activate the Self Tune Window Figure 2 2 The Self Tune Window Self Tune target temp Self Tune max power Proportional Band l Integral Time 3 Derivative Time J Self Tune A Manual 4 The self tune target is set to the current target temperature This value can be changed The self tune max power is set to the current Output Power It may also be changed 5 Start the self tune process by clicking the Self Tune toggle button Self Tune is running is displayed in the status bar Clicking the Manual toggle button wil
17. contains the last target temperature applied or to be applied to the eurotherm In the following two lines te 320 0 teset the TE parameter is set to 320 0K and it s value is applied as the new target tem perature The following two lines teget ls TE display the current sample temperature loaded with TEGET 5 1 2 Edte Version 002 This command allows the user to send the value stored in TE to the temperature as the new target temperature Syntax teset or teset temp When TESET is used without parameters TE is used BRUKER 37 45 AU Program and Command Line instructions TEGET 5 1 3 This command loads the TE parameter with the current target temperature Syntax teget The command 1s TE displays the value loaded with TEGET TEREADY 5 1 4 This command waits for a stabilisation time after that the defined precision has been reached Syntax teready Stabilisation_Time Precision This command is used in conjonction with TESET in the following way xwin nmr command line teset 320 0 teready 300 0 5 The target temperature will be set to 320K and TEREADY will way additionnal five minutes 300 seconds after the measured temperature had been 10 seconds ina 0 5K stabilization range 319 5 320 5 TEPAR 5 1 5 This command loads a parameter file previously stored with Edte using the File Save Configuration menu Syntax tepar or tepar file tcf When no parameter
18. ecording temperature correction the temperature unit type and the availability of some options like evaporator ex changer auxiliary sensors module and booster Figure 1 32 No settings for recording k Figure 1 33 Record can be started is stopped FT Figure 1 34 Recording is active ET Figure 1 35 No correction is applied gray Tei Figure 1 36 Correction is active blue ai BRUKER Edte Version 002 Self Tune The Eurotherm controller is used to monitor and control the temperature of the gas flow surrounding the sample To do this optimally it needs to measure how the system responds to changes in the regulation heater power The reguired infor mation is obtained during the self tune routine If a proper self tune is not carried out then the system will be slow to reach eduilibrium and there may be a large overshoot or undershoot when a new target temperature is set What is a self tune 2 1 A tuning is necessary to match the characteristics of the controller to that of the process being controlled in order to obtain good control This means 1 Stable control of the temperature at the setpoint without fluctuation 2 No overshoot or undershoot 3 Quick response to deviation from the setpoint Self tune involves calculating and setting the values of the P I D parameters Proportional Band P The Proportional Band is the bandwith over which the output power is propor tioned between 0 and the max po
19. ek eek ee ke ke ek ee 15 Figure 1 19 Monitor Setting Window 16 Figure 1 20 Auxiliary Sensor Module Window 16 Figure 1 21 State 1 No settings for recording sesse nn 17 Figure 1 22 State 2 Record can be started is stopped 17 Figure 1 23 State 3 Recording is active iii ee sees see ek ee ek ee ee ee ee 17 Figure 1 24 Load Recorded File Window 18 Figure 1 25 Viewer Window AEN 18 Figure 1 26 The Main Window enhanced in BEST mode 20 Figure 1 27 Information Window nennen vennen eenen 21 Figure 1 28 Set Target Window ies see ek ee ee RR Ee AR Re ee ee ee ee eke ee 22 Figure 1 29 Set Target Window iis see ek ee ee RR Ee AR Re ee ee ee eke ee 22 Figure 1 30 Set Max Power Window nnen ennen ee ek ee ee eke ee 22 Figure 1 31 Set Cooling Power Window iese nnen ee ee ek ee 23 Figure 1 32 No settings for recording nnn eneen ee ee ke nennen 24 Figure 1 33 Record can be started is stopped nanne 24 Figure 1 34 Recording is active iese eek eek eek ee ee RR ke eek eek ee Re ee ke ee 24 Figure 1 35 No correction is applied gray nnen ee nennen 24 Figure 1 36 Correction is active blue iek ek AR Ee AR ee ee ee 24 2 Self Tune 25 Figure 2 1 Self Tune process iii se RR Ee de Ed ee AR ek ee ee ee ee ee 26 Figure 2 2 The Self Tune Window iese eek ee RR Ke AR ER ee ek ee ee 27 3 Batman 29
20. he Load Configuration menu is activated Edte Files 4 2 Record Files 4 2 1 The Record Files format is similar to the Microsoft INI files format It is divided into sections and each value is assigned to a Key A Record File contains 4 sections Edte Version 002 BRUKER 31 45 Directories and File Formats 32 45 Info Section This section contains general informations like User and Title but also Date Time and the data Source Cols Section This section describes which sensors are stored C1 Date C2 Time and C3 Elapsed Time are always present AuxSensors Section When auxiliary sensor are used their name and Type are stored Aux Desc is the description of the sensor Aux Type is the sensor Type T K E Pt100 1 2 3 or 4 Data Section The data section contains the sensor values They are stored from left to right and correspond to the sensors defined in the cols section The first column is C1 Date the second one is C2 Time the third one is C3 Elapsed Time and so on Example Info Source xTempRecording Date 07 08 1997 Time 14 30 03 User Patrice Title Long Time Stability Test Cols C1 Date C2 Time C3 Elapsed Time C4 Sample C5 Target C6 Output Power C7 Aux1 C8 Aux2 C9 Aux3 C10 Aux4 AuxSensors Aux1Desc Outside Aux1 Type E Aux2Desc Unused Aux2Type E Aux3Desc Room Temp Aux3Type K Aux4Desc Not connected Aux4Type K Data 08 07 1997 14 30 09 6 300 00 300 0
21. ive Tune 28 45 1 Enter edte 2 Click on File Load Configuration menu 3 The browser will display the stored files Select the one to be loaded and click OK 2 6 For routine work it is recommended that you operate witn ADAPTIVE TUNE set to off Adaptive tune is designed for systems that experience changing condi tions e g change in rate of air flow change in input air temperature etc Such var iations are not normal for routine NMR work and so adaptive tune should not be required However if you wish to ensure that the PI D parameters are constantly monitored and optimized then there may be an advantage to working witn ADAPTIVE TUNE set to on by activating the Control Adaptive Tune check menu BRUKER Edte Version 002 Batman Bruker Adjustment Temperature MANagement 3 1 The sensor does not directly measure the sample temperature but the tempera ture just bellow the sample There might be a difference between the real sample temperature and the measured value Batman has been developped in order to determine the eurotherm target temperature in order to have the desired tempera ture in the sample Batman is an AU program launched from within XWIN NMR that automatically calculates this temperature difference The process may need sev eral steps _ Set initial eurotherm target temperature to the desired sample temp Set the temperature Wait for stabilization Compute the real sam
22. l stop the selfr tune process 6 When Self Tune is performed the values of XP Tl and TD are loaded These values may be changed manually and applied with the Apply changes button 7 The new target temperature is automatically set to the Self tune target temp and regulation is active It is possible to have Proportional only or PD or PI control Just set the In tegral or and Derivative time to 0 0 before starting a self tune The tuner will leave them off and will not calculate a value for them Edte Version 002 BRUKER 27 45 Self Tune How to store temperature parameters 2 5 Different operating conditions may require different Hl D parameters For exam ple two types of routine experiments may be regularly carried out room tempera ture work with a 5mm probe and low temperature work with a 10mm probe It is possible to store the two sets of edte parameters in two separate files which can quickly be loaded Save a set of temperature parameters 2 5 1 1 Enter Edte 2 When a suitable set of parameters has been set use the menu File Save Configuration 3 In the browser type in a new name e g 10mmlow and press OK The param eters are stored in the file 10mmlow tcf in the u exp stan nmr lists euro therm tcf directory Some operators prefer to carry out a self tune each time a probe is changed and do not keep a set of stored parameters Read in a set of temperature parameters 2 5 2 Adapt
23. n 002 The Data menu The Menu Bar 1 3 4 Monitor temperature and Output Power This menu displays a window containing a graphical tool that displays the evolu tion in the 2 last minutes of sample and target temp and output power One point is taken every second This setting can be modified with the Setup button Figure 1 18 Monitor Window Ji AutoScale A AutoScale Save to file Setup Close Window The Save to file button performs a quick data saving to disk in a file located in the u exp stan nmr lists eurotherm record directory The name is generated auto matically using the following pattern myyyymmdd n rec where yyyy is the year mm the month dd the day and n and incremental number Table 1 1 Example of AutoSave Generated Filename m19970715 1 rec m19970715 2 rec m19970715 3 rec m19970715 4 rec m19970715 5 rec m19970715 6 rec m19970715 7 rec m19970715 8 rec m19970715 9 rec m19970715 10 rec m19970715 11 rec m19970715 12 rec m19970716 1 rec m19970716 2 rec Edte Version 002 These files can be viewed using the Display Recorded Datas menu The scale is automatically calculated but the user may change these values To change the temperature scale move the mouse pointer to the Temperature Axis and press the left mouse button Move the mouse to define the region to zoom in on A gray rubber band shows the delimited region Release the mouse button to BRUKE
24. omatically send to the Liquid and the Probe controller using the Setup menu If a functionnality was specific to the second eurotherm its menu has been placed in the Dual menu By changing the temperature unit Celsius Kelvin Fahrenheit in the Setup menu the Probe and Liquid eurotherm are affected Target Limits This menu allows to set the range of valid Target temperature in order to avoid probehead damages The user has to defined the high and low limit These values must fit into the sensor temperature range Self Tune This menu displays the self tune window allowing to perform an automatic self tune or to change manually the P l D values Cutback Overshoot and undershoot can be eliminated by the correct setting of cutback low and cutback high The values are automatically set when a self tune is performed Display Set the decimal precision to 0 1 or 2 digits Lock front This toggle button enables or disables the front key access BRUKER Edte Version 002 The Help menu The Menu Bar 1 3 6 The Display Area This menu contains informations about how to reach us Comments and suggestions are welcome Please send your request to the sup port email nmr software bruker fr Display informations Activating this menu will display informations about Edte the Eurotherm and the MainBoard if available Figure 1 27 Information Window Edte Release 970707 l Eurotherm Model 902
25. oportional Band Integral and Derivative time The file is located in the u exp stan nmr lists eurotherm tcf directory The user has only to give a name to the configuration file in this window Figure 1 3 Save Configuration Window Filter 2 exp stan nmr 1ists eurothern tof tcf Directories Files Filename Eie OT Ile Load configuration To reload the parameters saved in a tcf file A directory browser shows the availa ble files 8 45 BRUKER Edte Version 002 Edte Version 002 The Menu Bar Figure 1 4 Load Configuration Window Filter Directories Files deld de Filename e stan nmr 1ists eurethern tct set2 tcf Download to temperature unit Activating this menu will allow to update the software of the BVT3000 or BVT3300 mainboard Edte asks for the NMR superuser or root password to begin the process This menu should only be used by the Bruker Service Engineers Figure 1 5 Download Window Available files BVT3000 2103 hex Select a file and click Start to begin download In the download window the user will have to select a file in the proposed list and click the start button to begin the download process The files are located in the u exp stan nmr lists eurotherm hex directory While downloading the program displays the percentage already transferred Atthe end the windows informs the user that the download was successful As this function
26. ound the target temperature is achieved Shaded regions represent times at which stabilization occurs These times must be longer than the prescribed stabilization time st in order for a signal to be acquired Factors that slow the signal acquisition process are i prescription of a long stabilization time ii prescription of a narrow precision window 30 45 BRUKER Edte Version 002 Directories and File Formats Edte Directories 4 1 Edte uses 5 directories all located in u exp stan nmr lists eurotherm config This directory contains configuration files used internaly by edte The user should not modify these files hex This directory contains HEX files These files are used to update the Varia ble Temperature Unit firmware These files are reserved to the Bruker Service Engineers e corr This directory contains the correction files generated by the Save to file button in the Temperature Correction window They have all the same ex tension cor The same directory is used to display the available file to load a temperature correction parameter set e record This directory contains the record files generated by the Monitor or the Record feature included in Edte All files have the same extension rec e tcf This directory contains the Variable Temperature Unit configuration files generated by the File Save Configuration menu The same directory is used to display the list of available files when t
27. ple temperature using the chemical shift a A OO ND Compute the new eurotherm target temp 6 repeat steps 2 5 until the desired sample temperature is reached In order to perform this set of calculations BATMAN first requires the input of sev eral fundamental parameters Target temperature in K the desired probe temperature Stabilization time in seconds the minimum period of thermal stability that must elapse before data are accduired Precision the maximum amount of temperature fluctuation allowed above and below the target temperature the temperature is considered stable when within this range Sample type G lycol or M ethanol Sample origin P ure MeOH Glycol or B ruker MeOH Glycol sample The final entry made by the user is a CR when the sample has been introduced into the spectrometer Subsequently BATMAN picks the appropriate peaks from the acquired spectrum and stores the chemical shift difference in the file peaklist Additional chemical shift measurments made using this program are stored in the same file These values are processed to generate the linear systems used to correlate sample temperature to target probe temperature Edte Version 002 BRUKER 29 45 Batman Figure 3 1 Thermal stabilization process TEMPERATURE nic stabilization stabilization USL Upper stabilization limit LSL Lower stabilization limit The curve shows a diminishing thermal fluctuation until stability ar
28. rs Lock front This toggle button enables or disables the front key access BRUKER Edte Version 002 The Control menu The Menu Bar 1 3 3 Temperature correction This menu displays the following window Figure 1 7 Temperature Correction Window dd Use correction mm _savetotte _ _toadtromfie ces For information the current probehead is displayed In this window you can define if a correction must be applied and set the offset and slope values To apply the new values use the Apply or OK button If correction is used the Eurotherm target is recalculated in the following way EurothermTarget Slope x SampleTarget Offset Eq 1 1 The corrections can be saved or recalled from a correction file using the Save to file and Load from file buttons The correction file contains the Slope and Offset values and if the correction is used or not The probehead id and descrip tion are also saved When recalling a correction file edte verifies that the current probehead matches the saved one and asks for a user confirmation if not Figure 1 8 Temperature Correction is used Use correction Edte Version 002 EE Fe eee HEEN In this example the user has defined a 2 degree offset between the Sample and the Eurotherm Target temperature If he sets the Sample Target temperature to 320 Kelvin the eurotherm will be programmed to reach 322 When correction is used a toggle but
29. the following message Figure 1 14 Self Tune is performed Self tune performed E Self Tune A Manual Cutback Overshoot and undershoot can be eliminated by the correct setting of cutback low and cutback high The values are automatically set when a self tune is performed Figure 1 15 Cutback Window Low Cutback Overshoot limitation sere High Cutback Undershoot limitation Ion Adaptive Tune This toggle button menu allows to switch from a fixed PID based regulation to a adaptive tune regulation This feature will overwrite the parameters PI and D when a disturbance indicates that they are incorrect Ramp This menu enables the use of ramp functions BRUKER 13 45 The Edte Software Figure 1 16 Ramp Window Target Temp Ramp Rate degree min EEN Run Remaining time 1 36 Reset Fan Hold Close Window To use ramps the user has to define the temperature to reach and the speed Then click the Run button to start the ramp The Reset stops the ramps switch to P l D mode The status bar displays the remaining time While the ramp is run ning the user may change the target by entering a new value and hit the return key The Monitor Window displays a 3 segment ramp with different Ramp Rate Figure 1 17 Monitoring Ramps J AutoScale J AutoScale Save to file Setup Close Window 14 45 BRUKER Edte Versio
30. ton in the status bar of the main window changes color to blue When no correction is applied the toggle button is grayed as shown in the following pictures BRUKER 11 45 The Edte Software Figure 1 9 Correction is used The toggle button is blue Figure 1 10 No Correction The toggle button is gray Target Limits This menu allows to set the range of valid Target temperature in order to avoid probehead damages The user has to defined the high and low limit These values must fit into the sensor temperature range Figure 1 11 Target Limit Window Ka Di gee Self Tune This menu displays the Self Tune window Figure 1 12 Self Tune Window 12 45 BRUKER Edte Version 002 Edte Version 002 The Menu Bar To perform a self tune just give the Self Tune target temp and the max output power The self tune will be started when the Self Tune toggle button is set It can be interrupted by activating the manual button In manual mode you can change the Proportional Band Integral and Derivative Time values and apply with the Ap ply Changes button Initial Values will reload the original Proportional Band Inte gral and Derivative time P l D values When the self tune is running the status bar shows the following message Figure 1 13 Selft Tune is running Self tune running bi Self Tune E Manual When the self tune is finished the new P I D values are loaded and the status bar shows
31. wer Outside this bandwidth the max power is applied Integral Time I Determines the time taken by the controler to remove steady state error signals Derivative Time D Determines how strong the controller will react to the rate of change of the meas ured value Self Tune process 2 2 The regulation heater is switched on at maximum power subject to the setting of HO high output for one or several short periods of time The Eurotherm control ler measures the response of the system to this power From the response three parameters Tl TD and XP PI D parameters are automatically calculated and set Edte Version 002 BRUKER 25 45 Self Tune Figure 2 1 Self Tune process A AutoScale A AutoScale Save to file Setup Close Window A further parameter LB overshoot limitation may also be set if the range over which the self tune is carried out is sufficiently large When should a self tune be carried out 2 3 26 45 Initially when the system is installed or whenever a significant change in the op erating conditions is made Changes that warrant reactivating self tune are 1 Changing the rate of flow of input gas as displayed on the BVT3000 front pan el 2 Large changes in temperature of input gas Minor temperature fluctuations caused by room temperature changes will not upset the temperature regula tion 3 Altering the position of the thermocouple 4 Exchanging a pro
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