Argon firmware 2.0 public beta

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Argon servo drive firmware version 2.0 public beta is available for evaluation.

The key changes singe 1.4.0 are:

  • New features:
    • Added Position feed-forward gain parameter PFF - helps to reduce overshoot in position control mode. In previous firmware, this value was fixed to 100%.
    • Simulated encoder output from internal EXT connector (6 pin header) - useful with resolver systems where external controller needs encoder count
    • Homing with index pulse search is now possible with resolver feedback device (simulated index pulse at certain resolver angle(s))
    • Added Torque mode application specific attributes (rotation angle limit & torque scaling by analog input)
    • Added support for direction input signal in PWM and Analog setpoint modes
    • SimpleMotion V2 protocol updated:
      • added support for watchdog (stop drive if valid SM commands not arriving within predefined time period)
      • calculation of setpoint commands via SM bus renewed (drive setpoint is a sum of phyiscal setpoint (step/dir, pwm, analog etc) and the setpoint from SM host (instant and buffered commands). If SM host sets absolute setpoint, then phyiscal counter (incremental types onle) are reset to zero.)
      • in buffered command execution, now only writing to setpoint commands consume user defined time and all other commands are executed as fast as possible (i.e. now possible to modify parameters on the fly while buffered motion is running)
  • Improvements:
    • Increased continuous current output limit from 11A to 12.5A and peak current limit from 16A to 18A
    • Increased maximum overvoltage level from 382 VDC to 388 VDC
    • Support high encoder resolution encoder (up to 4 000 000 PPR, previously was 65 535 PPR)
    • Added new torque bandwidth limit choices: 4700 Hz and Unlimited
    • Increased Phasing a.k.a. phase search algorithm motor swing to allow successful phasing in the case where motor motion is blocked in one direction
    • Increased speed of Phasing a.k.a. phase search
    • Improve fault tolerance with Resolver feedback device
    • Added compatibility for Granity 1.7.0 and later

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