Init - Keithley 4200A-SCS Reference Manual

Model 4200A-SCS Parameter Analyzer Reference Manual
pg2_init
This command resets the pulse card to the specified pulse mode (standard, full arb, or Segment Arb) and its
default conditions.
Usage
int pg2_init(int instr_id, long mode);
instr_id
mode
Pulse modes
Standard, Full Arb, Segment Arb
Details
This command resets both channels of the pulse card to the default settings of the specified pulse
mode. The default settings for each parameter are listed in the table below.
If you want to reset the pulse card for the presently selected pulse mode, use the pulse_init
command.
Standard pulse defaults
Pulse high and pulse low = 0 V
Source range = 5 V fast speed
Pulse period = 1 µs
Pulse width = 500 ns
Pulse count = 1
Rise and fall time = 100 ns
Pulse delay = 0 s
Pulse load = 50 Ω
Pulse trigger source = Software
Pulse trigger mode = Continuous
Pulse trigger output = On*
Trigger polarity = Positive
Complement mode = Normal pulse
Current limit = 105 mA
Pulse output = Off
* Turns on when a pulse is initiated with pulse_trig
Example
pg2_init(VPU1, 1)
Resets the pulse card to the Segment Arb pulse mode and its default settings.
Also see
pulse_init
4200A-901-01 Rev. C / February 2017
The instrument identification code of the pulse card, such as VPU1 or VPU2
The pulse mode:
•
Standard pulse: 0
•
Segment Arb: 1
•
Full Arb: 2
(on page 13-144)
Section 13: LPT library function reference
Full Arb and Segment Arb pulse defaults
Source range = 5 V fast speed
Pulse count = 1
Pulse delay = 0 s
Pulse load = 50 Ω
Pulse trigger source = Software
Pulse trigger mode = Continuous
Pulse trigger output = Off*
Trigger polarity = Positive
Current limit = 105 mA
Pulse output = Off
13-137