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Section 7: Triggering
Model 6517B Electrometer Reference Manual
HOLD: When HOLD is selected, the measure source is suppressed. As a result, measuring is
stopped and does not continue until HOLD is canceled by selecting one of the other measure source
selections. Select HOLD from the SELECT MEASURE SRC menu by pressing the cursor on HOLD
and pressing ENTER. The instrument returns to the SETUP measure layer menu.
DELAY
This delay is used to hold up operation in the measure layer. After the measure event occurs, the
instrument waits until the delay period times out (0 - 999999.999 seconds) before performing a device
action.
COUNT
With this selection, you determine the number (count) of measurements per scan sequence. The user
programmed count can be smaller, equal to, or larger than the number of channels in the scan list.
For example, if the scan list is made up of four channels, you can program a count of 12. With this
count value, the instrument repeats the scan three times. An advantage of repeating channels (rather
than scans) is that delays in the scan layer of operation are avoided. The measure layer delays
among all 12 channels are the same.
INFINITE: Use this selection to continuously repeat measurements (and looping in the measure
layer).
ENTER-CHAN-COUNT: With this selection, the user determines the number of readings per scan.
You can program the Model 6517B to measure up to 99,999 times.
CONTROL
Use this menu item to enable or disable the source bypass. The source bypass is used to bypass the
measure event on the first pass through the measure layer.
SOURCE: With this selection, the source bypass is enabled. The measure event is bypassed on the
first pass through the scan layer. This allows operation to proceed to the delay and device action
without having to wait for the programmed event.
ACCEPTOR: With this selection, the source bypass is disabled.
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6517B-901-01 Rev. C / August 2015
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