13: LPT library function reference Model 4200A-SCS Parameter Analyzer
13-140 4200A-901-01 Rev. C / February 2017
pulse_dc_output
This command selects the DC output mode and sets the voltage level.
Usage
int pulse_dc_output(int instr_id, long chan, double dcvalue);
The instrument identification code of the pulse card, such as VPU1 or VPU2
Channel number of the pulse card:
or
DC voltage output value (in volts, range and load dependent):
• 5 V range: −5 to +5
• 20 V range: −20 to +20 (50 Ω load)
•
Pulse modes
Standard
Details
You can set each pulse card channel to output a fixed DC voltage level instead of pulses.
The maximum and minimum output voltage is range dependent. See pulse_vhigh and
pulse_vlow for details.
The pulse_vlow, pulse_vhigh, and pulse_dc_output commands set the voltage value
output by the pulse channel when it is turned on (using pulse_output). If the output is already
enabled, these commands change the voltage level immediately, before the pulsing is started with a
pulse_trig command.
Example
pulse_dc_output(VPU1, 1, 10)
Selects channel 1 DCV output and sets voltage to +10 V.
Also see
pulse_load (on page 13-145)
pulse_vhigh (on page 13-157)
pulse_vlow (on page 13-159)
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