------------------------------------------------------------------------------- NumetriQ PSM1735 firmware history ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- 1.48 10 February 2010 SYNC output synchronous with generator frequency Sweep menu corrected for marker frequency (broken on 1.46) ------------------------------------------------------------------------------- 1.47 24 September 2009 Single measurement mode ------------------------------------------------------------------------------- 1.46 7 September 2009 Generator can be off, on, or dc, after a sweep Auto shunt selection modified 38400 baud added Modifications to speed up comms ------------------------------------------------------------------------------- 1.45 21 April 2009 LCR connection with divider Zx high and Zx low option ------------------------------------------------------------------------------- 1.44 19 February 2009 IAI calibration corrected for frequencies below 135Hz ------------------------------------------------------------------------------- 1.43 16 February 2009 Comms correcetd for IAI shunt selection Autoranging corrected for AC coupling ------------------------------------------------------------------------------- 1.42 16 January 2009 Open circuit compensation applied first Single shunt compensation for IAI & LCR head saved with program ------------------------------------------------------------------------------- 1.41 5 November 2008 LCR connection = shunt/divider option User verification string LCR admittance option ------------------------------------------------------------------------------- 1.40 13 August 2008 Calibration commands are only permitted in supervisor mode ------------------------------------------------------------------------------- 1.39 10 June 2008 Automatic detection of IEEE chip ------------------------------------------------------------------------------- 1.38 28 April 2008 2000 point sweep ------------------------------------------------------------------------------- 1.37 18 April 2008 LCR sweep speeded up ------------------------------------------------------------------------------- 1.36 16 April 2008 Fast sweep if user window < 100ms First graph scaling corrected Analog output enabled during fast datalog Fast analog output mode Warning to use active probes if scaling not 1.000 ------------------------------------------------------------------------------- 1.35 31 March 2008 Analog output corrected ------------------------------------------------------------------------------- 1.34 20 February 2008 STOP during sweep sets output to zero ------------------------------------------------------------------------------- 1.33 1 September 2007 Harmonic bargraphs and phase data ------------------------------------------------------------------------------- 1.32 17 Jul 2007 Out menu corrected for dBm Auto shunt sweep corrected (broken on v1.31) ------------------------------------------------------------------------------- 1.31 15 May 2007 LCR measurements to 1T Ohm Datalog graph allows negative values ALARMx comms commands MARKER comms command minimum number of cycles delay time alarm time display Keyboard lockout LOG\LIN sweep over comms Changing sweep parameters clears sweep data ------------------------------------------------------------------------------- 1.30 6 Feb 2007 ZERO,RECALL sets sweep compensation mode Datlog graph fixed (broken in 1.29) ------------------------------------------------------------------------------- 1.29 30 Jan 2007 Remote LCR compensation (various changes to functions to save code) ZERO key exits LCR zero menu Sweep reference Frequency marker ------------------------------------------------------------------------------- 1.28 23 Jan 2007 Low alarm fixed (broken on 1.26) ------------------------------------------------------------------------------- 1.27 27 Sep 2006 LCR,AUTO = LCR,AUTOSH to prevent errors with CommGRAPH ------------------------------------------------------------------------------- 1.26 29 Aug 2006 Delay time sweep Manual scaling option for graph 2 2 alarms ------------------------------------------------------------------------------- 1.25 18 Aug 2006 Fast sweep lock up corrected ------------------------------------------------------------------------------- 1.24 8 Aug 2006 LAN port reset added ------------------------------------------------------------------------------- 1.23 IAI calibration corrected ------------------------------------------------------------------------------- 1.22 64 harmonics analog,MANUAL,value implemented single frequency short circuit compensation fixed ------------------------------------------------------------------------------- 1.21 26 April 2006 Auto shunt option in LCR ------------------------------------------------------------------------------- 1.20 7 April 2006 Frequency measurement on dc fixed OUT menu title changed to output options Del/enter becomes back/next START + DEL clears integrator values in power mode ------------------------------------------------------------------------------- 1.18 18 Mar 2006 Venable options ------------------------------------------------------------------------------- 1.17 20 Mar 2006 Phase angle voltmeter changed to vector voltmeter TXA? replies changed ------------------------------------------------------------------------------- 1.16 27 Jan 2006 Sweep compensation Auto shunt adjustment in sweep mode IAI calibration improved for beyond frequency extremes Active head compensation values adjusted for issue 4 head Active head very high shunt limited to 10kHz LCR blanking only applied to low impedance ------------------------------------------------------------------------------- 1.15 16 Dec 2005 DATALO,SIZE? ------------------------------------------------------------------------------- 1.14 17 Nov 2005 Adapted for issue 3 board (_hardware_B set to 1 inverts relay signal) CALMOD added dc offset compensation improved ------------------------------------------------------------------------------- 1.13 never released Some improvements to prevent maths overload ------------------------------------------------------------------------------- 1.12 28 Jul 05 Trigger resets surge results Fast speed uses single window ------------------------------------------------------------------------------- 1.11 15 Jul 05 IAI calibration enhanced FRA CH1/CH2 option ------------------------------------------------------------------------------- 1.10 21 Jun 05 Phase delay added ------------------------------------------------------------------------------- 1.09 13 Jun 05 linear sweep display down to 10^-15 LCR reference compensation Auto shunt adjustment LCR zero inhibited unless manual conditions Frequency step calls menu when output is off Output turned off after sweep only in FRA mode Some size 1 fonts corrected ------------------------------------------------------------------------------- 1.08 18 May 05 IAI short circuit compensation QF and tan delta displayed to 4 dp in tables INTYPE command fixed (broken on v1.07) Maths overflow detection improved ------------------------------------------------------------------------------- 1.07 16 May 05 LCR blanking corrected (broken on 1.06) LCR open circuit compensation improved TXA and LCR force differential or main inputs TXA and LCR force shunt change even if manual TXA puts LCR computation to auto IAI calibration improved ------------------------------------------------------------------------------- 1.06 10 May 05 IAI calibration Calibration frequencies changed Low frequency heterodyning improved in FPGA/DSP Low frequency filter phase calibrated Phase calibration takes average of 2 measurements DELAY and CYCLES enabled (for Venables) ------------------------------------------------------------------------------- 1.05 20 Apr 05 IAI has 4 shunt options PROGRAM? returns program name SSWEEP? returns directory SSWEEP,NAME,x? returns the name of the stored program Harmonic analysis corrected for single channel operation Disabled channel operation corrected Saved sweep also stores gain and phase margin results Transformer analyser mode added DBm control added ------------------------------------------------------------------------------- 1.04 31 Mar 2005 Zero output amplitude offset error reduced ------------------------------------------------------------------------------- 1.03 24 Mar 2005 Streaming corrected Binary data format MODE,PHASE accepted for compatibility Sweep save/recall Sweep data only discarded by changing mode ------------------------------------------------------------------------------- 1.02 23 Feb 2005 GPIB modified for issue 2 boards INTYPE SPEED,WINDOW,window Low bandwidth filter implemented and calibrated Power measures fundamentals > 1MHz ------------------------------------------------------------------------------- 1.01 ZOOM- corrected for zoom = 2 in PAV mode with manual ranging null meter Gain and phase crossover frequencies Improved underanging algorithm W hours etc. 6 digit frequency display PROGRAM forces program store not datalog POWER? returns watt harmonic start clears surge in Vrms (broken by datalog) DATALOG? uses 1:n not 0:n-1 Datalog Power phase inverted by negative scaling Sign of integrated values corrected Time display corrected No wraparound on zoom and unzoom Table cursor changed to solid arrow Fast sweep speeded up Fast datalog added Power harmonics Key repeat if held down PAV null meter manual ranging corrected LCR phase adjust does not trigger 6 digit display rounded up Datalog Function keys can jump directly to program 1-6 Alarm sounder can be disabled PLC interface via parallel port Heterodyning starts at 9kHz THD anti-aliasing improved ------------------------------------------------------------------------------- 1.00 19 Oct 04 First release -------------------------------------------------------------------------------