4-22 Return to Section Topics 6517B-900-01 Rev. A / Jun 2008
Section 4: Measurement Options Model 6517B Electrometer User’s Manual
1. Set up the Model 6517B for the desired measurement (for example, function, range, filter.
2. Press CARD to display the internal scanner options (close channel or perform scan).
3. Select PERFORM-SCAN to display the scan types (internal or external).
4. Select INTERNAL to display the scan count; the scan count indicates the number of times
the scan will be repeated.
5. If desired, change the scan count and press ENTER.
6. You will then be asked if you wish to use the timer to provide a time interval between scans:
a. To use the timer, select YES. The present interval (in seconds) will be displayed. If
desired, change the interval. Press ENTER to continue.
b. If you do not wish to use the timer, select NO.
7. You will then be asked if you wish to store the readings in the buffer:
a. To use the buffer, select YES. A message indicating the number of readings that will be
stored in the buffer will be displayed. Press ENTER to continue.
b. If you do not wish to use the buffer, select NO.
8. With the message “Press ENTER to begin” displayed, press ENTER to start the scan.
9. After the scan is finished, the following options are available:
a. Recall data: If readings were stored in the buffer, select RECALL-DATA to display the
stored readings. Use the RANGE keys (
and ) to scroll through the data points.
b. Scan again: If you wish to repeat the scan(s), select SCAN-AGAIN. Press ENTER to
start the scan.
c. Exit: To return to the normal measurement mode, select EXIT. Note that stored readings
can still be displayed by pressing the RECALL key.
Close/open channels
Perform the following steps to open or close a channel on an internal scanner card:
1. Press the CA
RD key to display the internal scanner options (close channel or perform scan)
2. Place the cursor on CHANNEL-CLOSURES and press ENTER.
3. The following channel closure options are available:
a. To close a channel, place the cursor on CLOSE-CHANNEL and press ENTER. Use the
RANGE keys (
and ).to display the channel that you wish to close and press
ENTER. The number of the closed channel will be displayed along with the reading.
b. To open all channels on the scanner card, place the cursor on OPEN-ALL-CHANNELS
and press ENTER.
External scanning
The Model 6517B can be used with a scanner card installed in an external scanning mainframe
(for example, the Keithley Instruments Model 7001 or 7002 Switch System). With the use of
external triggering, the Model 6517B can measure and store each scanned channel.
For complete information on scanning (internal and e
xternal), refer to Section 10 of the Reference
Manual, and the switch system and scanner card instruction manual.
The following steps assume that the Model 6517B is
set to the BENCH reset default conditions
and the Model 7001/7002 is set to the RESET default conditions (see Restor
ing bench defaults for
more information).
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