Pulse_Burst_Count - Keithley 4200A-SCS Reference Manual

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Section 13: LPT library function reference

pulse_burst_count

For the burst mode, this command sets the number of pulses to output during a burst sequence.

int pulse_burst_count(int instr_id, long chan, unsigned long count);

Standard, Full Arb, Segment Arb

Each channel of the pulse card can have a unique burst count. When a burst sequence is triggered,

the card outputs the specified number of pulses and then stops. The pulse_trig command is used

to start (or arm) the burst sequence (Burst or Trig Burst).

You can set burst count independently for each pulse card channel.

With an external trigger source selected, the burst count for channel 1 cannot be less than the burst

count for channel 2. Setting the burst count for channel 2 higher than the burst count for channel 1

may cause your system to stop responding when pulse output is triggered to start. Also, when using

one channel, set the unused channel to the same burst count value. See pulse_trig_source for

details on selecting an external trigger source.

pulse_burst_count(VPU1, 1, 10)

Sets the burst count for the pulse card channel 1 to a count of 10.

(on page 13-152)

pulse_trig_source

The instrument identification code of the pulse card, such as VPU1 or VPU2

Channel number of the pulse card: 1 or 2

Number of pulses to output: 1 to (2

(on page 13-155)

Model 4200A-SCS Parameter Analyzer Reference Manual

-1); default 1

4200A-901-01 Rev. C / February 2017