VHQ205L

vhq205l( id, keyword)
vhq205l( id, keyword, value)

Talks to the ISEG HV power supply.

e.g.:
* = vhq205l( hv1, set_point)
* = vhq205l( hv1, set_point, 123)

Here is the list of keywords. 'RW' means that a keyword can be read and written.

 
Keywords:
  actual_current, R
  actual_value, R
  current_limit, muA, RW
  data_ready, R
    D0 voltage A
    D1 current A
    D2 voltage B
    D3 current B
  hw_limits, switches from the fron panel, R
    D0..D3 current
    D4..D8 current
  modul, R
  ramp, V/s, [2,255], RW
  register_1, R
    D0 Output voltage channel A is zero
    D1 Control switch, 0 -> DAC, 1 -> manual
    D2 Output polarity, 1 -> positive
    D3 HV on (0)/off (1)
    D4 Kill switch, 0 -> disabled
    D5 Output voltage derivative, 1 -> rising 
    D6 Status V-out, 1 -> V-out changing
    D7 Error on channel A, 1 -> error
    D8 ... channel B
  register_2, R
    D0 Timeout error
    D1 I-out > I-max
    D2 V-out reached set point
    D3 A front panel switch has been changed
    D4 Ratio V-setpoint/V-max > 1
    D5 External INIHIBT is/was active
    D6 Exceed/ed V-max or I-max
    D7 Quality of V-out not garanteed
    D8 ... channel B
  set_point, RW