Scan Operation Example - Keithley 7001 Instruction Manual

tering the channel in the channel list and pressing
"CLOSE". For example, assume your channel list looks
like this:
SELECT CHANNELS 1!1, 1!3-1!6,
To close channel 1!8, position the cursor at the end of
the channel list and press "1", "8" and then CLOSE.
The channel list will now look like this:
SELECT CHANNELS 1!1, 1!3-1!6, 1!8,
You could also have closed the additional channel by
first clearing the channel list (pressing CLEAR LIST),
and then entering and closing the channel. However,
keep in mind that once you clear a channel list, it can-
not be recalled. You will have to re-enter the entire list.
Opening closed channels
As previously explained, pressing OPEN will open all
the channels specified in the channel list. If you want to
open one or more, but not all channels, you will have
to clear the channel list by pressing CLEAR LIST, and
then enter a new channel list that specifies the closed
channels you wish to open. Once the new channel list
is entered, simply press OPEN to open those channels.

3.6.2 Scan operation example

The Model 7001 can scan through a list of specified
channels. The order of the channels in the Scan List de-
termines the channel order for the scan. The following
example will demonstrate this operation.
The example can be performed if you have a non-ma-
trix switching card installed and/or a matrix card in-
stalled. If using the card simulators, configure slot 1 for
non-matrix switching (model 9990), and slot 2 for ma-
trix switching (model 9991) as explained in paragraph
3.4.3.
Channels that are scanned in this example include:
Switching Card Channels: 1, 3, 4, 5, and 6.
Matrix Card Channels: Row 1 Column 1, Row 2 Col-
umn 2, Row 2 Column 3, Row 2 Column 4, Row 2 Col-
umn 5 and Row 2 Column 6.
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Perform the following steps to scan channels of a non-
matrix switching card and/or a matrix card. Three
scans of the specified Scan List will be performed.
Step 1. RESET the Model 7001.
By performing RESET, the Model 7001 will set itself to
default conditions that are typically used to control a
scan.
1. Press the MENU key. The following menu will be
displayed:
MAIN MENU
SAVESETUP GPIB DIGITAL-I/O
TEST LANGUAGE GENERAL
2. Use the cursor keys (
(flashing menu item) on SAVESETUP and press
the ENTER key. The following menu will be dis-
played:
SETUP MENU
SAVE RESTORE PWRON RESET
3. Place the cursor on RESET and press ENTER. The
following message will be displayed;
RESETTING INSTRUMENT
4. Press ENTER. The following message will be dis-
played:
RESET COMPLETE
5. Again press ENTER to return to the SETUP
MENU.
6. Press EXIT twice to exit from the menu structure.
Step 2. Place instrument in Scan List display state.
With the instrument in the Channel List display state,
press SCAN LIST to select the Scan List entry display
state. The following message prompt will be displayed:
SCAN CHANNELS
If there is a scan list currently displayed, press CLEAR
LIST to cancel it. Also, if there are any channels current-
ly closed, press OPEN ALL to open them.
Getting Started
and ) to place the cursor
3-15