Quantum Design AC Transport Option Release Version 2.2.4 About This File This file is intended to provide information and documentation that was made available after the printed manuals went to press. For any information regarding the AC Transport Option not included in this file, please refer to the manuals. Table of Contents 1. Installation 2. Release Notes 3. Undocumented Features 1. Installation Insert the AC Transport CD into the D: drive and from the start menu Run... option enter the file name: D:\Disk1\SETUP Then press OK to start the installation process. note1: PPMS MultiVu must be installed prior to installation of the AC Transport Option. note2: this installation will replace any existing installation of the AC Transport Option without regard to creation date or version. 2. Release Notes RELEASE VERSION 2.2.4 build 2 a. Fixed, temperature is not written to temperature column in datafile for sequence measurements. b. Fixed, critical current measurement writes user temperature to Map 21 column. RELEASE VERSION 2.2.3 build 2 a. Fixed, UserTemp (map23) not written to "Temperature" in .DAT file when rotator used. b. Fixed, geometry factor A/L sometimes not applied to resistivity. c. Fixed, range on ACT I-V measure shows autorange when not ranging. d. Changed, default frequency for resistivity and Hall from 30 Hz to 17 Hz. e. Fixed, Resisitivity Std. Dev. < 0 when Resistivity < 0. f. Fixed, in the .DAT file, "Volts Ch1" column is always positive. g. Fixed, in the .RAW file, the volts and excitation are always in-phase. h. Fixed, in the .RAW file, report excitation in ma. i. Fixed, sign of "Res. Std. Dev." was negative for negative resistivity. RELEASE VERSION 2.2.2 build 1 a. Fixed, sequence files could lock up when running IV Curve or Critical Current measurements. RELEASE VERSION 2.2.1 build 4 a. Fixed, incorrect labels on the Hall Coefficient sequence command dialog. RELEASE VERSION 2.2.1 build 3 a. Fixed, resisivity sequence command, constant current mode selection was inconsistent. b. Fixed, hall coefficient sequence command, constant current mode selection was inconsistent. c. Fixed, IV curve sequence command, constant current mode and remove voltage offsets mode selection was inconsistent. RELEASE VERSION 2.2.1 build 2 a. Fixed, resisivity measures reported amps in the data file rather then milliamps. b. Fixed, resisivity sequence command, low resistance mode selection was inconsistent. RELEASE VERSION 2.2.1 build 1 a. Fixed, serious errors when reactivating the option after the model 6500 is power cycled. b. Fixed, serious errors when starting option with wrong model 6500 firmware version. a. Changed, Reset DSP to idle state when deactivating option. b. Changed, Verify model 6500 firmware version on activation. a. Added, show the software version number to the data file in the INFO line. RELEASE VERSION 2.2.0 build 12 a. Fixed, Sequence commands would not work correctly when the option was deactivated and reactivated. RELEASE VERSION 2.2.0 build 11 a. Fixed, Save buttons would become active without a datafile. RELEASE VERSION 2.2.0 build 10 a. Fixed, Bogus overrange error message in Balance Meter. a. Changed, Save buttons are inactive if no datafile has been specified. RELEASE VERSION 2.2.0 build 9 a. Changed, Put resistance voltage into "Volts" column and drive voltage into "Drive Signal Ch# (V)" column. b. Changed, Clear the datafile entry in the Control Center when the Option is started. a. Added, When starting a sequence, allow the user to use the default datafile when no datafile has been specified. RELEASE VERSION 2.2.0 build 8 a. Fixed, The problem with IV curve quadrant selection display. b. Fixed, The display the results for a one point IV measurement. c. Fixed, A crash when a sequence measurement is run during a hardware check. d. Fixed, A lockup when a sequence measurement is run during a manual measurement. a. Changed, The order of the in-phase and drive voltage in the datafile. b. Changed, The sequence measuremnt will wait for a manual measurement or hardware check to complete, or the sequence terminated. c. Changed, Extend the sequence holdoff in the event an error occurs during a sequence measurement. d. Changed, Use default calibration data for simulation mode, no calibration file is needed. a. Added, Usage of an INI file (Actrans.ini) which has the serial numbers for the hardware. b. Added, Usage of a calibration file named act-xxxyyyzzz.cfg based on the hardware serial numbers. This file is created from the actcal.cfg. c. Added, Display the serial numbers in the About box. RELEASE VERSION 2.2.0 build 7 a. Added, HiVac status codes are displayed in the Install tab. b. Added, GPIB command tracing from the diagnostic dialog and from the config file line "Debug GPIB=1". RELEASE VERSION 2.2.0 build 6 a. Fixed, Problem with installing DLL in wrong directory. b. Fixed, Self test always fails. RELEASE VERSION 2.2.0 build 5 a. Fixed, Autocheck on startup does not check the hardware. b. Fixed, Rounding of min-max values does not agree with internal limits. c. Fixed, Bogus error message when saving data and no raw file checked. RELEASE VERSION 2.2.0 a. Fixed, Possible wrong output range is selected for low res mode for He3. b. Fixed, Display of estimated time over 100 sec shows as an exponential. a. Changed, Increase allowable IV curve settling time. b. Changed, Configuration file is installed from the config directory. c. Changed, Eliminated the ACTOption DLL in the MultiVu directory. a. Added, About box displayable from MultiVu. b. Added, Tree structure for AC Transport commands in the MultiVu editor. c. Added, Two columns in the data file for the signal voltage. RELEASE VERSION 2.1.5 a. Fixed, Remove voltage offsets. b. Fixed, Computation of standard deviation for IV curve. c. Fixed, Random loss of color in IV curve quandrant selector. d. Fixed, Incorrect IV measurement time for 50Hz systems. e. Fixed, Show updated Datafile name when sequence file changes the current file. f. Fixed, Self test incorrectly reports failure for Helium-3. a. Changed, On-line documentation. a. Added, Support for Option Controller. b. Added, Show SIM in Control Center caption for simulatiion mode. RELEASE VERSION 2.1.4 a. Fixed, Sequence command New Datafile will use the current file if unable to change/create a new file. b. Fixed, Show the changed/new Datafile name in the Control Center File tab. a. Changed, show only raw file name in the Control Center File tab. a. Added, on-line help. RELEASE VERSION 2.1.3 a. Fixed, random crashes and DSP errors when measures are canceled and immediately restarted. b. Fixed, accuracy problems with the IV waveform. a. Added, additional error checking in the dialogs. b. Added, New Datafile and Datafile Comment sequence commands. a. Changed, default values for the Critical Current dialog. b. Changed, Measurement Save button is active only when data is available. c. Changed, more descriptive axis labeling on the control panel waveform. RELEASE VERSION 2.1.2 a. Fixed, scale factor problem with Hall coefficient. RELEASE VERSION 2.1.1 a. Fixed, Temperature would display incorrectly in quick measure dialog. b. Fixed, Standard deviation for voltage was calculated incorrectly. c. Fixed, Fixed gain in Resistivity sequence file would display incorrectly. RELEASE VERSION 2.1.0 a. Fixed, Balance Meter would now operate correctly for some tests. b. Corrected startup Y axis in datafile. c. Correct power limit calculation for IV and Critical Current. d. Improve error message reporting for limit trips. e. Remove lead time (~100 ms) in PPMS readings at start of measure to improve accuracy in fast sweep mode. RELEASE VERSION 2.0.9 a. Replace V-T curve with I-V curve in IV Curve measure. b. Allow 256 points to be measured for a one quadrant IV curve. c. Fix bug in Diagnostic tab which leaves some defaults incorrect. d. Fix problem with blank error message for some error conditions. BETA VERSION 2.0.8 a. Add diagnostic dialog with password enable. b. Add self check button with on-startup option. c. Add Critical Current Hard Trip parameter in registry. d. Add Calibration directory for the CFG files BETA VERSION 2.0.7 a. Fix occasional crash in Critical Current and IV curve. BETA VERSION 2.0.6 a. Fix problem with simulation mode not allowing Current values as input to IV curve and Critical Current. BETA VERSION 2.0.5 a. Add drive current limiting when Helium-3 probe is installed. b. Added better status messages and removed some debug messages. c. Fixed crash on exit related IV curve measure. BETA VERSION 2.0.4 a. Add Critical Current measurement and sequence file command. b. Changed fixed gain display. c. Cleaned up exception messages. d. Fixed IV curve graphic to work in 65K color mode. e. Added a measure complete status message. BETA VERSION 2.0.3 a. Reorganized dialogs for consistency. b. Corrected IV display of waveforms for certain quadrant selections. c. Corrected IV power and voltage limit checks. BETA VERSION 2.0.2 a. Requires PPMS MultiVu Release 1.0 (Beta 3.5) or higher. b. Extensive modifications to dialogs and internal routines. BETA VERSION 2.0.1 a. Requires PPMS MultiVu Release 1.0 (Beta 3.5) or higher. b. Uses the PPMS Multivu new datafile format which allows datafiles to be imported directly into Excel or other applications.