Keithley SourceMeter 2600 Series Reference Manual page 295

Series 2600 System SourceMeters Reference Manual
digio.trigger[N].assert
Function Asserts a trigger on one of the digital I/O lines.
Usage
digio.trigger[N].assert()
Remarks The set pulsewidth determines how long the trigger is asserted.
Details See "Controlling digital I/O
Also see digio.trigger[N].pulsewidth
Asserts trigger on I/O line 2:
Example
digio.trigger[2].assert()
digio.trigger[N].clear
Function Clears a trigger event on a digital I/O line.
Usage
digio.trigger[N].clear()
A trigger's event detector remembers if a trigger event has been detected since the last
Remarks
digio.trigger[line].wait
discards the previous history of the trigger line.
Details See "Controlling digital I/O
Also see digio.trigger[N].wait
Clears trigger event on I/O line 2:
Example
digio.trigger[2].clear()
digio.trigger[N].mode
Attribute Trigger operation and detection mode.
Usage
tmode = digio.trigger[N].mode
digio.trigger[N].mode = tmode
Set
tmode
or
1
or
2
or
3
or
5
N is a digital I/O trigger line: 1 to 14
lines" in
N is a digital I/O trigger line: 1 to 14
lines" in
N is a digital I/O trigger line: 1 to 14
to one of the following values:
digio.TRIG_FALLING
digio.TRIG_RISING
digio.TRIG_EITHER
digio.TRIG_SYNCHRONOUS
Return to
Instrument Control Library 12-21
Section 10.
call. This function clears a trigger's event detector and
Section 10.
-- Reads trigger mode.
-- Writes trigger mode.
Input: Detects falling edge triggers.
Output: Asserts TTL-low trigger pulse.
Input: Detects rising edge triggers.
Output: Asserts TTL-high trigger pulse.
Input: Detects rising or falling edge triggers.
Output: Asserts a TTL-low trigger pulse.
Input: Detects falling edge-triggers, and then
latch and drive them low.
Output: Asserts a TTL-low trigger pulse.
Section 12 topics 2600S-901-01 Rev. A / May 2006