AT5600 - Updates, New Features and Improvement

25 OCT 2023

AT5600 Firmware v1.004.061

GUI
Fixed Server Duplicate Serial Number/Batch Issue (OPP 11819)
Fixed X character treated as "Accept/Enter" command through Barcode or Keyboard (OPP 11890)

TESTS
HPAC  Fixed HPAC compensation
HPDC  Forcing HPDC to Report 3400 Status Code if Trip Occurred
ILK       Fixed unit rebooting when performing ILK open circuit compensation
MAGI   Fixed MAGI with Mean Sense RMS Measuring Negative Values
MAGI   Improve class D short circuit detection in open circuit compensation
MAGX  Fixed low voltage class D tests into short resetting
PWRF  Fixed PWRF test OC Comp FAILED
R          Fixed DCR Intermittent Failures
R          Fixed DCR Hanging Problem for Large Resistance Windings (OPP11532)
SURG  Fixed some surge values measuring low by <5%
LL         Fixed Generator Type Mapping for some LL tests (OPP 10945)

FUTURE DEV - Coming Soon
LL LS - compensation bug fix - Compensation can fail in some extreme cases when using fixed 10mA test signal.
LL - improvements for very low leakage < 500nH.
MAGI - test time improvements for large transformers.
SYNC PARTS - bug when syncing >450 program names over RS232 to Server
E-dt - New Volts uSec test for pulse transformers..
API - New API software library for direct control of AT5600 vis your own software.

25 JUL 2023

AT5600 Firmware v1.004.052 / User Manual V25

GUI      
Fixed active test name jumping to "CTY" on reset   OPP 8973
Added FPMM key code support and soft-key access (future release)

SELF TEST
Enhanced Surge self-test
Fixed occasional Self-Test Overall Fail when all tests have passed.
Remove self-test conditioning routine.
Added desaturation to GN02 and GN12 self-test timing.

COMPENSATION
Improved compensation storage to store individual range combinations instead of shunt compensation.
Improved the download speed of programs by streamlining compensation storage.
This improved indexing will speed up program load.
Program Load was slow if you had large numbers of compensations stored. The delay was not comms, but the COMP recall after load.
PLEASE NOTE - This upgrade will also clear all previously stored SC+OC compensations from the unit. OPP11165
Improve impedance compensation speed.
Improve open circuit compensation by using ratio of integrated voltage and current instead of integrated impedance.
This should fix erroneous occasional OC comp fails OPP 11173,11154, 11237.
Fixed HPAC, HPDC, ILK, and MAGI open circuit compensation application
Improved pass/fail reporting for short circuit compensation.

TESTS
API       Fixed result return to server for API (future release)
API       Fixed API not reporting busy (future release)
C2        Fixed negative capacitance match (C2) results.
ILK       Leakage Current (ILK) accuracy enhancement
ILK       Adjusted under-ranging configuration to allow lower ranges on ILK.
ILK       Fixed compensation failure on 100kOhm shunt for ILK OC
IR         IR Compensation Fixed
IR         Fixed high voltage insulation resistance execution time.
IR         Fixed low side selected nodes for insulation resistance tests to correct occasional 100GOHM when into short. OPP11325
LL         LL reverse energization fixed.
LL         Improved speed and accuracy of leakage inductance OPP11243
LSB LPB ZB      Shifted internal bias execution to use new compensation model.
LSB LPB ZB      Fixed trimming error on internal bias
LSB LPB ZB      Fixed impedance compensation for high amperage ranges
LSBX    Added type specific open circuit compensation and bypass for skipped measurements on external bias short circuit compensation.
MAGI    Improved MAGI stability and accuracy.
MAGI    Improved Class D test performance by adding a DC offset trimming routine.
MAGI    MAGI Execution Speed enhanced.
R          Fixed open circuit resistances reporting 1uOhms. OPP11249, 10832
R R2     Optimized compilation of R, R2 and CTY for improved execution speed and compensation time
R2        Fixed error caused by reuse of measurements on R2 tests.
R2        Resistance match (R2) compensation application fixed.
STRX    STRX Test Timeout Fixed
SURG   Surge magnitude learning improved.
SURG   Fixed surge tests with only one impulse reporting
SURG   Surge Learning Simplification
SURG   Improved the surge magnitude learning algorithm.
VOC     Fixed VOC test causing unit reboot. Certain test cases on centre tapped parts previously could cause a reboot at 40-60Hz OPP11075

KNOWN ISSUES - Currently being addressed for next release
OC compensation - a small % of unit may mistakenly report OC COMP fail on this version.
This is currently being addressed.
If you see this issue please contact us.

FUTURE DEV - Coming Soon
FRONT PANEL MEASURE MODE - run individual tests from the front panel.
E-dt – Volts uSec test for pulse transformers..
API - Software library for direct control of AT5600 vis your own software.

31 JAN 2023

AT5600 Firmware v1.004.028 / User Manual v24

SELF TEST
Self Test - Fixes some false fails on some self-tests (typically ID #1011, 2023, 2023, 4041) when unit is functionally good.

11 NOV 2022

AT5600 Firmware v1.004.012 / User Manual v23

INTERFACE / GUI
SOUNDS - Added Beeps to indicate PASS/FAIL for compensation for a better user experience - follow the same settings as Run Pass/Fail sound.
DC1000 error codes - fixed bugs causing some possible DC1000 Error codes to be incorrect.

SELF TEST
ID 1021  - Adjusted limits for Self-Test ID 1021 to stop false failures.
Fixed an issue with infinite self-test time on faulty hardware.

TESTS
R  - Improved Compensation process for Resistance. Added range locking for resistance short circuit compensation.
R - Improved R test range selection algorithm. This stops R tests taking 60+ seconds or hanging in some extreme cases.
HPDC - Fixed excessive time on HPDC Test execution.
HPAC - AC-EHT trip level enhancement for very high frequencies.
HPAC - Fixed bug that caused issue with some server results flagging HPAC tests as 0020 error code.~
MAGI VOC WATT STRW - Improved Class D test execution. Maximum WATT for all 4 tests is now back to 40 Watts to match AT3600. AT Editor dotNET has already been modified to allow 40W to be programmed as max limit.
WAIT - Resolved WAIT test resetting User Relays bug, when using WAIT with OUT

KNOWN ISSUES - IN PROCESS FOR IMPROVEMENT
HPDC - false flagging on 0200 is some cases causing fail and 30 second test time.

10 JAN 2022

AT5600 Firmware v1.003.070 / User Manual v21

INTERFACE
Added checksum to compensation storage to detect corruption.
Added timeout to USB Host reads.
Added OUT test to the test list screen.
Calibration date month on the start screen now displays as 3 letters. Such as APR for April.
Added new status bar icons that represent each separate USB port and update to show what is plugged into each port.
Fixed touch screen calibration bug
Adds a software run button to execute, compensation, and self test screen. This mirrors the RUNS STOP button to the touch screen.

SELF TEST
Adjusted some self test relay timing tests that weren't recording the proper time of the relay opening/closing.
Modified source node resistance self tests to calculate resistance using the resistance execution engine.

TESTS
LSBX LPBZ ZBX - Modified external DC1000 dc bias tests so that energization is maintained across tests in a DC A sweep
LSBX LPBZ ZBX - Fixed stability issue with DC1000 External-Bias tests.
MAGI VOC WATT - Enhancements to MAGI VOC WATT Class D stability during self test and normal test execution.
R - Adding a fixed 40ms delay to the beginning of a resistance test directly after energization of the CCS. 
LBAL GBAL - Added LBAL/GBAL common mode compensation during short compensation.
PHAS - Fixed bug that caused PHASE test results to vary between measurements
LL  - Modified LL to use less compiled tests, which caused a problem in programs with multiple  LL tests.
IR  - Enhancements to improve accuracy.
HPAC HPDC - Fixed bug that was causing some higher HPAC HPDC dwell times to not wait for the specified amount. 
MAGX WATX VOCX - Removed MAGX VOCX WATX  external source 230V trim limit to be in line with AT3600 behavior
WAIT - WAIT test now released.

KNOWN ISSUES - IN PROCESS FOR IMPROVEMENT
MAGX WATX - Some instability at lower <50mA low currents when using AC INTERFACE.
This is being worked upon for future release.

12 JAN 2021

AT5600 Firmware V1.003.024 / User Manual V19

INTERFACE
Added multilingual support - Chinese Language option implemented.

SELF TEST
Enhanced self-test detection of faulty relays. 
Self-test now takes 2 minutes and checks unit more thoroughly.
Improved reliability of self-test - improved limits to remove false failures.

TESTS
ALL - Improved integration stability for all test types.
ALL - Improved stabilization for all test types.
ALL - Improved the shutdown process for the generators to better protect relays.
HPAC - Fixed breakout conditions for excessive current in high pot tests.
HPDC - Added a High Pot DC shutdown process to discharge any charged capacitance on non-energized nodes.
LL - Improved accuracy of Leakage Inductance. Improved model for parts with multiple secondaries or centre taps on windings.
LSB LPB - Improved bias offset correction in internal bias tests.
LSB LPB - Improved ranging in internal bias tests.
LSBX LPBX - Improved bias offset correction in external bias tests.
LSBX LPBX -Improved ranging in external bias tests.
MAGI - Fixed breakout conditions for excessive power in magnetizing current tests.
MAGI - Improved trimming capability on MAGI tests to reduce false 0020 error codes.
MAGI VOC WATT - Fixed bug that prevented execution at 20 Hz.
R - Improved accuracy of Resistance tests.
TR - Improved compensation model for TR type tests, especially for multi tapped parts
TR LL R - Improved compatibility of compensation storage for Turns Ratio, Resistance and Leakage Inductance tests. 
IMPORTANT - this improvement to the models will mean that any stored compensation will have to be reapplied after upgrade, as old compensations will be invalid.