Release Notes

Since the LTT software is composed on many individual parts, the changelog specifies in which part the change/fix took place by preceding each entry with a prefix. The used prefix are:

  • GUI: change took place in the LTT-GUI part of the LTT software

  • MesVis: change took place in the MesVis-GUI or in the measurement recording subsystem part

  • TS: change took place in the TestStand / LabVIEW subsystem part of the LTT software

  • HistoryConv: change took place in the History Converter Tool

  • MDBS: change took place in the MDBS database installer


[3.6.0] - 08.05.2025

ADDED

  • GUI: automation interface for remote control with customer specific implementation

  • TS: new drivers clima chamber control: Sim, CTS, ASCII-2

  • TS: new driver for medium temperature control WKM365TK-TW18-6VT

  • TS: new driver for temperature / humidity sensor Indigo520

  • TS: new generic "Ask" dialog in IRS.LTT.TS.UserLib.lvlibp

  • GUI: installer for MesSy dependencies

Changed

  • MDBS: new version 4.0.0 with MySQL 8.4.2 / Apache 2.4.58

  • TS: updated MesSyII API to CL7-2023.09.11

  • TS: updated MesSyII.FD API to CL4-2024.11.15

  • TS: medium temperature control driver "CTS-Pro4_02" renamed to "CTS"

  • GUI: updated IRS.Vector.MDF library / merger to version 2.4.0

  • GUI: improved visualisation of station status in case of error (to see if it is still running)

Fixed

  • GUI: error with function "data transfer (alt+F11)" when transfer folders contain sub folders

  • GUI: error with function "data transfer (alt+F11)" when target directory does not exist

  • GUI: improved resizing of test station overview dialog

  • GUI: improved resizing of error config dialog

  • GUI: improved resizing of recording config dialog

  • GUI: fixed synchronization of limits and measurements in recording configuration

  • MDBS: correct handling of NaN & Inf values

[3.5.9] - 18.07.2024

ADDED

  • TS: new medium temperature control driver "CTS-Pro4_02"

  • TS: new step types "Set measurement filename" / "Reset measurement filename" to overwrite default CSV recorder filenames

Fixed

  • GUI: wrong error message when ltt_module_config.xml is broken

  • GUI: wrong filenames for error overview when using "save as"

  • GUI: disabled errors are now written into error overview


[3.5.8] - 22.05.2024

ADDED

  • TS: new medium temperature control driver "Lauda IntegralXT"

  • TS: new step types "add recorder" / "remove recorder" to enable / disable recording output formats from within TestStand

CHANGED

  • GUI: changed to .NET Framework 4.8

  • GUI: MDF recording format changed from unsorted to sorted (this is a big impact for those who actually use MDF recording!)

Fixed

  • GUI: limit test and MesSy CAN VIs won't work in PreUUTLoop

  • GUI: fixed module configuration dialog to support latest LabVIEW module drivers (such as Burster or Lauda)

  • GUI: minor bug fixes


[3.4.7] - 05.10.2023

ADDED

  • GUI: export / import of error configuration (global max. error count only)

CHANGED

  • GUI: changed layout of F10 dialog - operation mode parameters

Fixed

  • GUI: fixed "GUI freeze" problem related to runtime values update

  • TS: updated MT.WKM drivers (fixed error texts)

  • HistoryConv: fixed conversion of legacy history files

  • MesVis: fixed multi-thread issue while writing CSV measurement files

  • TS: fixed ramp function of EA.SCPI driver (support ramp values < 1)


[3.4.6] - 11.07.2023

ADDED

  • TS: new test execution flag "LTT.Station.IsError" (in Execution.RuntimeVariables)

  • TS: new temperature sensor type "Laureate RTD"

  • TS: new PS module "ITECH M3900D"

  • GUI: new option "fractional seconds separator" in recording config dialog

CHANGED

  • TS: updated MesSyII API to CL7-2023.06.07 (TestStand 2014/TestStand 2019/LabVIEW Runtime 2019)

  • TS: updated MesSyII.FD API to CL3-2023-06-26 (TestStand 2014/TestStand 2019/LabVIEW Runtime 2019)

  • GUI: make config backup before a config import

  • GUI: possibility to export/import max error counter settings through config manager

Fixed

  • GUI: fixed Excel limit import (skip empty lines)

  • GUI: fixed MDF splitting (did not work on month change)

  • MesVis: fixed reading of CSV files (did not work when there are also MDF files in same folder)


[3.4.5] - 22.03.2023

ADDED

  • GUI: customer specific backup mechanism

  • GUI: new MDF file split option "ByHour" in ltt_recording_config.xml

  • GUI: new option "AlwaysRecordLimitFails" in recording configuration dialog

CHANGED

  • TS: clear error queue for Sorensen power supplies after an error happened

  • GUI: new option dialog in project manager (for cleaning up old test orders)

  • GUI: changed delimiter of error overview file columns from comma to semicolon

Fixed

  • MesVis: fixed voltage column values in CSV files

  • MesVis: MDF recording of measurements with different signal names for individual DUT types

  • TS: fixed TS driver "Burster" to display neg. temperature correctly


[3.4.4] - 20.01.2023

ADDED

  • GUI: option to reset testplan error counter after x cycles without TP error

  • GUI: option to configure temporary error counter to be the stop criteria when max. error count is reached

  • GUI: button to reset operation mode parameters (to restore TestStand defined order of parameters)

  • MesVis: option to export multiple selected test orders / DUTs at once

  • MesVis: option to repair damaged database tables

  • TS: new temperature sensor driver "Burster 9163"

CHANGED

  • GUI: OP mode parameters column layout in F10 dialog

  • GUI: error count value in history file for error no. 21 (TESTPLAN ERROR) is "temporary"

  • GUI: changed datatype of "max. error count" parameter so it can be > 127

  • TS: EA PS driver now sets LAN timeout to 0 on init

  • TS: new functions for EA PS driver

  • TS: WKM modules error handling

  • TS: updated MesSyII API (for TS2014) to CL7-2022-11-30

  • TS: updated MesSyII API (for TS2019) to CL7-2022-07-19

  • TS: updated MesSyII.FD API (for both TS2014 & TS2019) to CL2-2022-06-20

Fixed

  • MesVis: MDF recording of measurements with different signal names for individual DUT types

  • TS: loading of limits after OM change

  • MesVis: "empty header" issue while writing measurements as CSV

  • HistoryConv: MS Access export


[3.3.4] - 16.08.2022

Changed

  • GUI: remember the folder of the last loaded history file

Fixed

  • GUI: fixed problems with MDF file splitting

  • GUI: fixed entering of decimal values as operation mode parameters in F10 dialog


[3.3.3] - 21.07.2022

Added

  • MesVis: "external data source" feature (experimental)

Changed

  • GUI: "TESTPLAN ERROR" (SYS-21) is now entered into history, DB and CSV files

  • GUI: removed auto. column fit in history data dialog (slow and annoying)

  • MesVis: improved write speed for DB data

  • MesVis: preserve measurement selection when switching DUT's

  • MesVis: always show DUT type in DUT list

  • TS: updated MesSyII API (for TS2014) to CL5-2022-06-23

  • TS: updated MesSyII.FD API (for both TS2014 & TS2019) to CL2-2022-06-20

Fixed

  • GUI: MDF data recording timestamps + date split option

  • GUI: entering double values in F10 dialog did not work anymore

  • MesVis: measurements are not drawn under certain conditions

  • fixed IRS.LTT.Update.x.x.x.x_2014.exe / IRS.LTT.Update.x.x.x.x_2019.exe

  • fixed IRS.LTT.TS.Tool "Apply LTT Config"


[3.2.0] - 20.05.2022

Added

  • GUI: MDF Streaming file split options

Fixed

  • TS: fixed Keysight PS driver issues

  • TS: fixed Kniel PS driver for TS2014

  • TS: fixed PS problems with COM port daisy chain

  • GUI: fixed F6 dialog error when closing while stations are running


[3.1.1] - 27.04.2022

Added

  • TS: PS reconnect mechanism for process model watchdog sequence

Changed

  • TS: added support for "bypass" in process cooling system driver interface

  • GUI: changed auto row jump behaviour in F11 dialog

  • GUI: opmode parameters in F10 dialog are no longer sorted alphabetically

Fixed

  • GUI: fixed step time calculation


[3.1.0] - 21.03.2022

Added

  • GUI: new tool MDF.Sorter can be found in 66_LTT_Tools

  • GUI: new Excel export for LTT limits (F5 dialog)

  • GUI: automatic backup of ltt_main_config.xml and automatic restore in case the file gets destroyed

  • GUI: indication if simulation drivers are used

  • TS: new process cooling system drivers for WKM/Autotherm

Changed

  • GUI: improved history data scrolling / column adjustment

  • TS: new MesSyII.FD release IRS.MesSyIIFD.CL2-2022-03-04

  • TS: added ramp function to power supply interface, implemented for EA power supplies

  • TS: Omega iThx driver now ignores all errors (as requested by customer)

  • TS: Switching OpModes now takes TCC debouncing time into account

  • MesVis: file selection dialog for saving graph screenshots

  • MesVis: improved read speed for CSV measurement data (only with default column layout)

  • MesVis: DUT's with same name but different type are now listed properly

  • MDBS: new installer searches for free port instead of refusing to install if port 80 or 8080 is already used

Fixed

  • GUI: module configuration dialog no longer overwrites your unchanged config sections

  • GUI: GUI no longer refuses to start in case of a duplicate DUT assignment error in database, but instead fix this error itself

  • GUI: sporadic DB write operation failures are now retried and do not lead to a testplan error

  • TS: using MesSyII.FD did not work properly out of the box


[3.0.0] - 28.10.2021

Added

  • GUI: new dialog hardware>module configuration offers easy configuration of all hardware drivers & parameters

  • GUI: new file ltt_module_config_template.xml contains configuration for all supported hardware drivers

  • GUI: new measurement recording output format MDF

  • GUI: start / stop buttons for test groups

  • TS: new hardware drivers for various process cooling systems (Lauda, WKM)

  • TS: LabVIEW functions for reading INI files (in IRS.LTT.UserLib)

Changed

  • GUI: improved simulated TCC panel (programmable sequences can be saved/loaded)

  • GUI: added possibility to have groups with no TCC assigned > fixed OM

  • GUI: StationGlobals are now included in configuration export

  • GUI: F10 dialog now offers checkboxes and comboboxes for operation mode parameter input

  • GUI: F11 test parameters can be changed for non-running stations while other stations are running

  • GUI: new version of IRS licensing mechanism (2.1.0)

  • TS: enums support for operation mode parameters (only in TS2019)

  • MesSy: 2019 comes with MesSyII CL7-2021.09.29, MesSyII.FD CL2-2021-07-30

  • MesSy: 2014 comes with MesSyII CL5-2021-03-31, MesSyII.FD CL2-2021-07-30

  • MesSy: no support for MesSyI with TS2019!

  • MesVis: support for wildcard search in measurements

  • MDBS: updated MDBS to version v3.6.0 (db admin website now runs at port 8081)

Fixed

  • HistoryConv: date conversion error

  • TS: sporadic error during hardware module initialization

  • TS: EA PS driver was not able to set sink current

  • GUI: error when trying to open error log

  • GUI: fixed several minor issues


[2.9.3] - 28.06.2021

Added

  • GUI: error counter reset gets logged to action log

Changed

  • GUI: do not save error counters after testplan load

Fixed

  • GUI: rare error related to runtime values

  • GUI: improved security feature

  • GUI: action log dialog date filter

  • MesVis: improved write performance for database


[2.9.1] - 12.05.2021

Added

  • GUI: security feature (only enabled upon request)

Fixed

  • TestStand: wrong logpath

  • MesVis: error during startup if some data is corrupt


[2.8.4] - 08.04.2021

Changed

  • GUI: new version of IRS licensing

  • MesVis: removed unused options

Fixed

  • GUI: UseGlobalLock attribute in ltt_module_config.xml gets removed after a certain action

  • GUI: GUI freezes when F6 dialog is open (happens only when there are a lot of (>1k) DUT error entries in database)


[2.8.3] - 11.12.2020

Added

  • MesSy: added MesSyII.FD API (pre-release)

  • TestStand: new step type "LTT Limit Test (no config)"

  • MesVis: new column ElectricRuntime for CSV + DB measurement logs

  • GUI: possibility to load/save the F11 configuration from/to file

  • HistoryConverter: additional date&time column

  • HistoryConverter: new option show runtime in seconds

Changed

  • GUI: F11 project/test order management can delete multiple test orders at once

Fixed

  • MesVis: CSV files do not have a header or have a header in 2nd line

  • MesVis: DB import only imports last DUT

  • MesVis: measurements stored in database have no floating point precision


[2.7.0] - 07.10.2020

Added

  • GUI: limit Excel import

  • GUI: new ltt_main_config.xml parameter MaxRuntimeStopBehaviour

  • GUI: new ltt_main_config.xml parameter MaxErrorStopBehaviour

  • GUI: delete logs now also deletes measurement database data

  • GUI: new history column Step Time

  • TestStand: ability to configure opmodes per group

  • TestStand: driver for Autotherm medium control

Changed

  • GUI: upgrade to DevExpress 20.1.7

  • GUI: delete old project/testorder data

  • GUI: F4 "Save Overview" now saves both global + temporary at once

  • GUI: improved runtime values display

  • TestStand: added "Timeout" parameter to EA.SCPI driver

  • MesVis: improved DB export

Fixed

  • MesVis: reading CSV files

  • MesVis: fixed Excel export


[2.6.0] - 20.07.2020

Added

  • GUI: DUT type parameters

  • GUI: Option to change the decimal separator for CSV log files

  • TestStand: driver for Lauda SUK350 Attention: due to this there is a change in the IRS.LTT.Mod.Loader.lvlibp:Load Module.vi If you use this functionality in your testplan you need to update the function calls.

  • HistoryConverter: new Excelsheet for error overview per DUT

Changed

  • ltt_module_config.xml modules no longer need to be in order or count continuously

  • TestStand: additional configuration parameters for PMA280 modules

  • GUI: improved display of "runtime values" in test stations display of main window

Fixed

  • GUI: "Data Transfer" dialog

  • GUI: duplicate limits during limit import

  • MesVis: export to MDF for legacy database measurements

  • MesVis: reconnect after long idle time

  • MesVis: open error if last opened container does no longer exist


[2.5.0] - 11.05.2020

Added

  • GUI: "delete log files" feature

  • GUI: "finish test" feature

  • GUI: FTP / network backup feature (Alt-F11)

  • HistConv: selection for decimal separator

  • GUI: button to reset "TESTPLAN ERROR" counter (for autom. restart)

  • TestStand: TCC driver software debounce

  • TestStand: EA.SCPI driver

  • TestStand: TDK.GensysPlus driver update (support for voltage / current slew)

Changed

  • TestStand: new TCC driver sim. panel

Fixed

  • TestStand: LTT Module Framework memory leak

  • GUI: "electric test time" timer did not work correctly

  • HistConv: some fixes


[2.4.1] - 15.02.2020

Fixed

  • GUI: updating old testplans (<2.x) led to problems

  • MesVis: could not load old legacy databases

  • MesVis: Excel export caused problem when there are multiple measurements with same name

  • TestStand: fixed EA PS driver (all models) because it interfered with PMA280 temperature sensor

  • TestStand: LTT model will now wait until ProcessSetup is finished before PreUUTLoop continues!

  • GUI: automatic restart can be stopped with F8


[2.4.0] - 10.01.2020

Added

  • GUI: configurable automatic station restart on testplan error!

  • TestStand: new PS driver for Delta Elektronika (PSC-ETH)

  • TestStand: new PS driver for EA PSB 9000

Changed

  • MesVis: show measurement on double click

  • GUI: removed DUT type selection from recording configuration dialog

  • GUI: changed some paths:

  • "45 LTT Action logs" > "60 LTT Action logs"

  • "60 SW-Tools" > "66 SW-Tools"

  • "70 LTT Documentation" > "77 LTT Documentation"

Fixed

  • GUI: a rare situation led to an error related to runtime values while adding a new history entry

  • GUI: problems during testplan load (HandleEndExecution)

  • GUI: hardware limits in F10 dialog got not updated when immediatly switching to another group tab afterwards

  • GUI: F4 dialog caused exception when loading certain saved overviews while some stations are running

  • GUI: configuration import caused troubles when loading a config with lesser groups

  • GUI: wrong error status color on station start

  • GUI: wrong TCC<>OM mapping behaviour when using a TCC bitmask

  • MesVis: MDF export failed when selected measurements where empty

  • TestStand: wrong DateDetails version in "LTT Model.seq"


[2.3.4] - 31.10.2019

Added

  • TestStand: new TS driver for Omega iThx-SD

Changed

  • GUI: data recording "once per cycle" now works also with "every X minutes" option

  • GUI: configuration manager overwork

Fixed

  • GUI: configuration hash was wrong

  • GUI: configuration manager "compare" function was not working correctly


[2.3.3] - 22.10.2019

Fixed

  • GUI: error during testplan load in some cases (caused by TestStand defined limits)


[2.3.2] - 15.10.2019

Added

  • TestStand: TCP driver for TDK Genesys power supplies

Fixed

  • GUI: station runtime menu works again

  • GUI: LTT reporting crashes if at least one station is disabled


[2.3.1] - 30.09.2019

Added

  • TestStand: new TS driver for Omega iBThx

Changed

  • MesSy: updated to IRS.MesSy.CL4-2019-07-19

  • GUI: new licensing DLL 1.2.1

Fixed

  • GUI: runtime values sent per SendValue.vi from TestStand are not shown in GUI

  • MesVis: loading/showing CSV files does not work properly


[2.3.0] - 12.09.2019

Added

  • TestStand: new TS driver for Omega iThx

  • TestStand: new TCC driver for ADDI Data APCI2200 PCI relais card

  • TestStand: new TS driver for Janiza UMG604-E-PRO

  • GUI: default history column "Humidity" (filled only when Omega iThx TS sensor is used)

  • GUI: default CSV measurement data column "Humidity" (filled only when Omega iThx TS sensor is used)

  • GUI: display humidity in test group panel of GUI main window (only when Omega iThx TS sensor is used)

Changed

  • TestStand: overworked PS driver for EA. Now works also with PSI8040-3403U (Ethernet)

Fixed

  • TestStand: send HW errors to GUI did not work correctly


[2.2.0] - 12.08.2019

Added

  • TestStand: TCP based Sorensen PS driver IRS.Mod.PS.Sorensen.SG.TCP.lvlibp (only for SG series!)

  • GUI: new recording option "once per cycle"

  • GUI: option to autom. save station overview on every stop

  • GUI: save global and temporary error overview in different files

  • GUI: autom. save temporary error overview before a temporary error reset

  • MesVis: "save as PNG"

Fixed

  • TestStand: PS driver for Delta Elektronika (PSC232)

  • GUI: LTT Reporting saves report always, not only when stations are running

  • GUI: error overview does not contain '0' counters but empty string instead

  • GUI: loaded error overview does not show up

  • GUI: "swap DUT" swaps also vibration axis

  • MesVis: fixed various issues

Changed

  • TestStand: VISA-based Sorensen PS driver (for both SG and UG series)

  • TestStand: renamed EA.PSI800R driver to just "EA"

  • TestStand: updated IRS.MesSyII.Types.ini

  • Tools: new IRS.LTT.HistoryConverter.exe tool (with export to MS Access & Excel)

  • GUI: changed ltt_main_config.xml format (!!!)

  • GUI: different history file start messages, depending if user start or autom. start after power fail

  • MesVis: improved overall user experience

  • MesVis: changed measurement table indizes (!!!)


[2.1.0] - 22.05.2019

Added

  • MesVis: "auto show" option

  • MesVis: "show only last N samples" option

  • TestStand: new PS driver for TDK Lambda GenSys+

  • TestStand: new PS driver for Delta Elektronika (PSC232)

Changed

  • MesVis: improved read performance

  • MesVis: overworked zooming

  • MesSy: updated to IRS.MesSy.CL4-2019-04-29


[2.0.1] - 25.03.2019

Fixed

  • GUI: 'Value' & 'Unit' columns display wrong values in history dialog window

Changed

  • GUI: disabled autom. seq. file update because of problems


[2.0.0] - 22.03.2019

Added

  • GUI: barcode scanner support for F11 dialog

  • GUI: configuration management

  • GUI: LTT reporting

  • GUI: autom. restart after power fail

  • GUI: autom. testplan loading

  • GUI: F11 dialog items management (cables, DUT's, test order, etc.)

  • GUI: new history column Category

  • GUI: automatic testplan / configuration update for new GUI versions

  • MesVis: database import

  • MesVis: legend position can be changed / legend can be hidden

  • MesVis: voltage and temperature ambient values can be shown for the selected measurements

  • TestStand: new step type LTT Process Result (ignore config)

  • TestStand: batch per group or global batch

Fixed

  • GUI: disabled errors are not incremented

  • GUI: testplan loading errors are not properly displayed in GUI

Changed

  • GUI: history data dialog (Alt+F10) improvements (usability + performance)

  • GUI: new layout of error configuration dialog (F6)

  • GUI: history column "voltage" shows current PS values unless the step "LTT Send Voltage" is executed in TestStand

  • GUI: test time format can be changed from hours:minutes:seconds to hours (fractional)

  • GUI: disabled errors are now logged to history file with error number and text

  • GUI: history data dialog (Alt-F10) will open in a filtered view, which shows only: start/stop info, TCC info, test results & errors. There is a button Show All to show all history entries

  • GUI: clicking on an error number in test station overview (F4) will open the history data dialog with a filtered view on that error number

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