Pulse_Output - Keithley 4200A-SCS Reference Manual

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Section 13: LPT library function reference

pulse_output

This command sets the pulse output of a pulse card channel on or off.

int pulse_output(int instr_id, long chan, long out_state);

Standard, Full Arb, Segment Arb

This command configures the channel to output and close the output relay.

If no 4225-RPM is used, this command connects the source to the device under test (DUT). devclr

resets the pulse card source and disconnects the source from the DUT. pulse_output(PMUx,

chan, 0) clears the physical connection to the DUT and resets the PMU source.

If a 4225-RPM is used with the PMU, this command prepares the pulse source when using a PMU

with RPMs, but it does not close the output relay. The rpm_config command establishes the

physical connection to the DUT. The clrcon command clears the physical connection to the DUT.

You can control each channel of the pulse card individually (on or off). When the channel is off, the

output is in a high-impedance (open) state. After a channel is turned on, pulse output starts when a

pulse trigger is initiated. Note that if a pulse delay has been set, pulse output starts after the delay

period expires.

It is good practice to routinely turn off the outputs of the pulse card after a test has been completed.

The pulse_ssrc command controls the high-endurance output relays (HEORs), and the

seg_arb_define command defines a Segment Arb

pulse_output(VPU1, 1, 0)

Turns off the output for pulse card channel 1.

(on page 13-199)

(on page 13-67)

(on page 13-141)

(on page 13-151)

(on page 13-152)

pulse_current_limit

(on page 13-124)

seg_arb_define

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

Channel number of the pulse card: 1 or 2

Pulse output state:

Off: 0 (default)

(on page 13-139)

(on page 13-162)

Model 4200A-SCS Parameter Analyzer Reference Manual

waveform, which includes HEOR control.

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