------------------------------------------------------------------------------- PPA55xx firmware history ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- 2.16 15 February 2010 SCOPE and SCOPE# commands corrected for neutral ZOOM,level can be sent without any other arguments Larger font display (zoom 3) ------------------------------------------------------------------------------- 2.15 9 February 2010 Integrator datalog implemented Integrator and datalog fixed for independent channels Dynamic frequency lock option (advanced) ------------------------------------------------------------------------------- 2.14 3 February 2010 Ranging corrected for scope mode DC coupling implemented Low current version DC coupling mode fixed Speed input reads zero for no pulses Fast and very fast speeds always operate with narrow selectivity ------------------------------------------------------------------------------- 2.13 29 January 2010 Screen dump over comms (SCREEN?) Average integrated current added to multilog (39 = rms, 40 = mag) Frequency reference can be speed input or ac line frequency Correction for long menus low down on the screen Low frequency mode USB memory stick disables USB comms File directory table File directory available over comms (PROGRAM,FILES) ------------------------------------------------------------------------------- 2.12 15 January 2010 Single, two and three phase versions VFAST option for SPEED Comms corrected for trailing PMUS ';' ------------------------------------------------------------------------------- 2.11 1 December 2009 Minor timing improvements ------------------------------------------------------------------------------- 2.10 24 November 2009 !NB! needs FPGA v2.03 Peak detection improved DSP frequency increased Neutral synthesised for scope Scope data saved to memory stick POWER? corrected ------------------------------------------------------------------------------- 2.09 19 November 2009 Comms lockup due to processor bug fixed Works with PPAComm over RS232 ------------------------------------------------------------------------------- 2.08 5 November 2009 Comms improved (still a problem with PPAComm over RS232) SETUP command Difference THD display corrected ------------------------------------------------------------------------------- 2.07 31 October 2009 Startup improvements ------------------------------------------------------------------------------- 2.06 16 October 2009 Startup improvements EEPROM initialisation Monitor command to force default configuration ------------------------------------------------------------------------------- 2.05 14 October 2009 EEPROM stores comms settings Torque and speed inputs Analog output GPIB ------------------------------------------------------------------------------- 2.04 3 October 2009 Harmonic series phase bargraph display Default harmonic series to 40 Harmonic series phase implemented to 50 maximum Standby mode with line sync AC coupling corrected Ballast mode ZOOM? command fixed for CommVIEW ------------------------------------------------------------------------------- 2.03 30 September 2009 Line frequencu measurement in ballast mode PWM frequency measurement improved Optional 2 wattmeter sum VA & VAr computations LAN interface enabled More functions added to comms ------------------------------------------------------------------------------- 2.02 23 August 2009 Harmonic mdoe fixed (broken on 2.01) Separate scale factors for current and voltage harmonics ------------------------------------------------------------------------------- 2.01 20 August 2009 PWM mode enabled Trigger level shown in A if current reference 2 Wattmeter multiple displays GPIB enabled in menu Display dim (needs updated CPLD) ------------------------------------------------------------------------------- 2.00 19 August 2009 Initial release -------------------------------------------------------------------------------