5. Set the pulse width
¾
Press the
Pulse Width
icon on the touch screen.
¾
Press the encoder knob to set the resolution.
¾
Turn the encoder knob to set the pulse width from 4 µs to 5 ms.
¾
Press the
Done
icon.
6. Enable the PCX-7500
¾
Press the
Enable
button on the front panel. The button lights green.
Controlling the PCX-7500 from a computer
1. Disable the PCX-7500
¾
Send the command “OUTPUT:DISABLE”.
2. Set the trigger to internal or external
¾
Send the command “TRIG:INTERNAL” or “TRIG:EXTERNAL”.
3. Set the internal pulse trigger frequency
¾
Send the command “TRIG:INT:FREQ n”, where n = [8 to 10000].
¾
Units are hertz.
4. Set the pulse width
¾
Send the command “TRIG:INT:PULSEWIDTH nnnn”, where n = [4000 to
5000000]. Pulse width is dependent on the frequency.
¾
Units are nanoseconds.
5. Set the output current
¾
Send the command “SETPOINT:CURRENT n”, where n = [10 to 450.0].
¾
Units are amperes.
6. Enable the PCX-7500
¾
Send the command “OUTPUT:ENABLE”.
Pulse
Width
Frequency
32
µs
between
8
Hz
to
30
Hz
8
µs
between
31
Hz
to
122
Hz
2
µs
123
Hz
to
500
Hz
0.5
µs
500
Hz
to
10000
Hz
