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Section 7: Triggering
Model 6517B Electrometer Reference Manual
For typical asynchronous trigger link operation, the measure layer is configured with measure source
set to TRIGLINK and Trigger link mode set to ASYNCHRONOUS. You must also select input and
output lines for the measure layer. Input and output triggers can be set to any of the six lines, but they
cannot use the same line. For example, if you select line #1 for input triggers, then output triggers
must use one of the other five lines (#2 through #6).
During operation in the measure layer, each trigger link input trigger makes a measurement. After the
user-programmed DELAY and the measurement settling time, the Model 6517B outputs a trigger link
completion pulse (typically to a scanner to close the next channel). The measure layer is configured
using the CONFIGURE TRIGGER menu. See
Trigger configuration menu
(on page 7-2) for more
information.
The scan layer and arm layer can also be programmed for trigger link, where scan source is set to
TRIGLINK, and Arm source is set to TRIGLINK. When using trigger link in these layers, you must also
select input and output lines as you did in the measure layer. Keep in mind that you can use the same
lines in the scan and arm layers as selected in the measure layer.
7-18
6517B-901-01 Rev. C / August 2015
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