Keithley 2790, Reference Manual

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2-26 Model 2790 SourceMeter
®
Switch System Reference Manual
Identifying installed modules and viewing
closed channels
On power-up, the model numbers of installed switching modules are displayed briefly.
If a switching module is removed while the Model 2790 is on, the instrument will operate
as if the module is installed. That is, the Model 2790 will operate as if the pseudocard is
installed.
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In general, it is not recommended to install or remove switching modules with
the power on.
CARD menu
The CARD menu identifies the switching modules installed in the mainframe and is used
for the following operations:
• Configure the current source output level (7751, 7752, and 7753) and the voltage
source output level (7751 and 7753). The CONFIG option of the CARD menu is a
no-op (no operation) for the 7702 module.
• View the channels that are presently closed.
Menu navigation keys — Once in the menu structure, the manual range keys ( and
) and the cursor keys ( and ) are used to display menu items and options, and set
parameter values. With the desired item, option, or setting displayed, press the ENTER
key to select it. You can cancel a pending selection (and exit the menu structure) by press-
ing the EXIT key.
Press the SHIFT key and then the CARD key to display the CARD menu. The Card menu
tree is shown in
Figure 2-11 . The items and options of the menu are explained as follows:
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Identifying installed modules — If you simply want to identify installed modules
or pseudocards, select CONFIG or VIEW and use the
or key to check
each slot. When finished, press EXIT.
CARD: CONFIG — This menu item is used to enable and set the I-source output (7751,
7752, and 7753) and the V-source output (7751 and 7753). The channels of the 7702
switching module do not need to be configured.
SLOTX: 7751, 7752, or 7753 — Press ENTER to configure the 7751 or 7752 module
in Slot X (where X = 1 or 2). If a 7751, 7752, or 7753 is not installed, the instrument
will exit from the menu when ENTER is pressed:
I-C27:01.00 mA – Set the output level of the I-source (00.00 to 50.00 mA). The default
I-source setting is 1mA.
V-C28:050.0 – For the 7751 or 7753, set the output level of the V-source. (0050.000 to
500.00 V).