User manual

Front Panel Operation
3-76 2001-900-01 Rev. K/ August 2010
Semi-synchronous operation
In the Semi-synchronous Trigger Link mode, all triggering
(input and output) is controlled by a single line. When the
normally high (+5V) trigger line is pulled low (0V), a trigger
occurs on the negative-going edge. When the trigger line is
released, a trigger occurs on the positive-going edge (see
Figure 3-36). The advantage of this single line trigger is that
as long as one of the instruments in the system holds the line
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Operation model for asynchronous Trigger Link example #2
Idle
Bypass
A
Wait for
Trigger Link
Trigger
Trigger
C
No
Scanned
10
Channels
?
Yes
Scan
Channel
Performed
2
Scans
?
Wait for
Trigger Link
Trigger
D
Output
Trigger
Trigger
B
No
Yes
Bypass
F
Output
Trigger
Trigger 2001
to make
Measurement
and Output
Trigger
E
Trigger Trigger
Trigger 230
to source
next voltage level
and Output
Trigger
G
7001 2001
7001 230
7001
Press STEP
2001
230