Pulse_Ssrc - Keithley 4200A-SCS Reference Manual

Model 4200A-SCS Parameter Analyzer Reference Manual
Also see
pulse_fall
pulse_range
pulse_source_timing
pulse_trig

pulse_ssrc

This command controls the high-endurance output relay (HEOR) for each output channel of the PGU.
Usage
int pulse_ssrc(int instr_id, long chan, long state, long ctrl);
instr_id
chan
state
ctrl
Pulse modes
Standard, Full Arb, Segment Arb
Details
The high-endurance output relay (HEOR) is a solid-state relay (SSR) on each channel of the pulse
card. Note that this setting is independent of the output relay (see pulse_output). A simplified
schematic showing the relays is shown here.
4200A-901-01 Rev. C / February 2017
(on page 13-142)
(on page 13-149)
(on page 13-116)
(on page 13-152)
The instrument identification code of the pulse card, such as VPU1 or VPU2
Channel number of the pulse card: 1 or 2
Open: 0
Close: 1 (default)
How the HEOR will be controlled:
•
Auto (the Segment Arb pulse mode controls the HEOR): 0 (default)
•
Manual (state parameter opens or closes relay): 1
•
Trigger out driven (relay state follows the trigger output): 2
Figure 510: Simplified schematic of a 4220-PGU channel
Section 13: LPT library function reference
13-151