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Document #7650-0004 Rev C2. © Copyright 2019 Directed Energy, Inc. All rights reserved.
6. Set the pulse width.
Press the Pulse Width button on the touch screen.
Press the encoder knob to set the resolution.
Turn the encoder knob to set the pulse width from 0.05 µs to 5000 µs.
Press the Done button.
7. Set the bias pulse width.
Press the Bias Width button on the touch screen.
Press the encoder knob to set the resolution.
Turn the encoder knob to set the bias pulse width from 0 µs to 25000 µs.
Press the Done button.
8. Enable the PCX-7420.
Press the ENABLE button on the front panel. The button illuminates.
Controlling the PCX-7420 From a Computer
1. Disable the PCX-7420.
Send the command “OUTPUT:DISABLE”.
2. Set the main output current.
Send the command “MAIN:CURRENT:SETPOINT n”. n = [0 to 15700]. Units
are milliamperes.
3. Set the bias output current.
Send the command “BIAS:CURRENT:SETPOINT n”. n = [0 to 5800]. Units
are milliamperes.
4. Set the trigger to internal or external as needed
.
Send the command “TRIG:INTERNAL” or “TRIG:EXTERNAL”.
5. Set the internal trigger frequency.
Send the command “TRIG:INT:FREQ n”. n = [40 to 6000]. Units are hertz.
6. Set the main pulse width.
Send the command “TRIG:INT:MAIN:PULSEWIDTH n” n = [50 to 5000000].
Units are nanoseconds.
7. Set the bias pulse width.
Send the command “TRIG:INT:BIAS:PULSEWIDTH n” n = [0 to 25000000].
Units are nanoseconds.
8. Enable the PCX-7420.
Send the command “OUTPUT:ENABLE”.