M81-SSM firmware update

M81-SSM softwareLatest versionRelease dateSizeDownload
Firmware1.5.20220323152022-3-2553 MBM81.lsfw
Operating system2.6.42020-09-29272 MB

XIP OS

XIP OS update instructions

Firmware update process

The easiest way to update instrument firmware is online:

  1. Provide the instrument with an Internet connection using Wi-Fi or Ethernet
  2. Access update screen (System settings > Update)
  3. The instrument will detect the latest firmware version, follow on-screen prompts to download and install the update

Updating an offline instrument is accomplished with the following steps:

  1. Click on the desired version number below. This is a link to the .lsfw firmware update file
  2. Copy or save the .lsfw file onto the root directory of a USB flash drive. Make sure it is the only .lsfw file in that location
  3. Plug the flash drive into the USB-C port on the back of the instrument, if you don't have a newer flash drive with a USB-C connection, use the adapter that was supplied with the instrument
  4. Restart the instrument to be given the option to perform a firmware update.
  5. Disconnect the USB flash drive once the update is complete

M81-SSM Firmware Changelog

1.5.2022032315 — 22-3-25

Changed

  • Manual description of filter optimizations and how certain selections affect available measurement ranges; range and filter optimization info circles now explain that available ranges can change based on filter optimization settings
  • Instrument now informs the user of unexpected errors that require restarting the instrument before resuming use
  • Manual description explains read query versus fetch query operation regarding existing versus newly obtained measurements
  • Data streaming mode rate consistency significantly improved for longer duration measurement runs and UI remains active during acquisition

Fixed

  • Enabled functionality of "reset settings," "unload," and "load" buttons when front panel keypad access is locked
  • Self-calibration of CM-10 when using 50 Hz power line regions provides sufficient range settling times, reducing chances of errors

1.4.2022021701 — 22-3-2

Changed

  • CM module self-calibration function unavailable while module high reserve filter function is enabled

Fixed

  • External reference input now detects when input signal has been stopped or cable is removed
  • Improved stability when long term, high reading rate remote PC queries are being conducted

1.3.2022012604 — 22-1-28

Added

  • Added front panel load/unload function to allow remote modules to be connected and disconnected without cycling instrument main power for quick module setup reconfiguration; prior to power on module disconnect, select unload at bottom of module interface screen; upon module connection, follow on-screen prompts to load module to activate/use each module connected while power is applied
  • Added module reset at bottom of module interface screen to restore all module settings to default settings, thus avoiding module disconnect/reconnect process to reset a single module; other connected modules are not affected, only the module linked to the interface screen being reset

Changed

  • Source module frequency setting is read-only when module has sync mode enabled
  • Improved startup error message when line frequency detection fails on power-up due to noisy power line conditions
  • Default state of BCS disable output on compliance feature is now off by default; for voltage-sensitive devices, recommended to set BCS to standby before connecting or disconnecting from DUT

Fixed

  • A bug where "disabled due to compliance" message was being erroneously displayed on the BCS module screen
  • A bug where in certain conditions the monitor output scaling is incorrect
  • A bug where VM peak readings would indicate zero when autoranging and near range boundaries
  • A bug where measurement modules' lock-in frequency reading was incorrect when the reference source for a given module was set to 'Ref in'

1.2.2021121002 — 21-12-20

Added

  • Calibration page has calibration information for all modules and a button to run all self-calibrations
  • M81-2 and M81-4 now filter out irrelevant channels
  • BCS module will disable its output upon a compliance condition by default (user defeatable)
  • FIR PSD filter cycles can now be configured on applicable modules
  • Frequency range threshold can now be configured on applicable measure modules
  • 'IMMediate' queries were added to the 'FETCh' subsystem to allow for returning data without waiting for settling
  • Source amplitude now has the ability to be viewed and entered in either RMS or peak values
  • Bias voltage amplitude control dashboard panel for CM-10

Changed

  • The trace subsystem and the questionable condition register (DSOV bit) now report instrument to host PC data streaming overflows; internal data streaming overflows are still reported as runtime errors
  • When high-speed data streaming, the instrument will show a lockout screen to help prevent data streaming overflows
  • Auto-range logic now uses peak indication instead of raw peak ADC codes
  • When source coupling is set to automatic and the output frequency is 100 Hz or lower, the instrument will use DC coupling
  • Current compliance now has a minimum value of 1 nA
  • Various UI interaction improvements including increased touch detection areas for small/corner buttons
  • Auto source coupling now selects DC coupling when the source shape is set to square
  • SCPI controls for Disable on Compliance setting

Fixed

  • Dashboard scrolling issue
  • Issue where crash logs were not automatically being saved
  • 'TRACe:FORMat:HEADer?' source limit units
  • The trace subsystem and the questionable condition register (DSOV bit) now report instrument to host PC data streaming overflows; internal data streaming overflows are still reported as runtime errors
  • Issue where an instrument to host PC data streaming overflow would also cause an internal overflow
  • Issue where the measure frequency dashboard panel showed a mode conflict when in lock-in mode
  • issue where some settings were not being displayed properly on startup
  • Issue where the 'READ' subsystem SCPI errors were all generic system errors
  • Issue where calibration temperature does not show on the UI in some instances
  • Fixed issue where the instrument could hang when setting an invalid square wave frequency
  • Fixed issue where range based frequency validation was falsely generating errors in DC mode

1.1.2021080613 — 1-08-18

Added

  • Dashboard view
  • Settings profiles
  • Option to disable module LEDs (dark mode)
  • READ? query
  • Built-in calculation of settle time and equivalent noise bandwidth (ENBW)

Changed

  • CM-10 autorange now makes range decisions based on both frequency and amplitude

Fixed

  • Various bug fixes

[1.0] — First release

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