Model 2700 Multimeter/Switch System User’s Manual Close/Open Switching Module Channels 2-5
Pseudocards
Using remote programming, you can assign a pseudocard to an empty switching module
slot. With a pseudocard installed, the Model 2700 will operate as if the switching module
is installed in the Model 2700. This feature allows you exercise open/close/scan
operations, or configure your system without having the actual switching module installed
in the unit. There is a pseudocard for every Keithley Model 77XX series switching
module.
A pseudocard cannot be installed from the front panel. However, once it is installed you
can take the Model 2700 out of remote and use the front panel. Pressing the LOCAL key
takes the Model 2700 out of remote.
When the instrument is turned off, the pseudocard will be lost (uninstalled). Use the
following commands to install pseudocards:
SYSTem:PCARd1 <name> ' Install pseudocard in slot 1.
SYSTem:PCARd2 <name> ' Install pseudocard in slot 2.
<name> = C7700, C7701, C7702, C7703, C7705, C7706, C7707, C7708, C7709,
C7710, C7711, or C7712
Programming example — The following command sets up the Model 2700 to operate as
if a Model 7700 switching module is installed in slot 2, which must be empty. You cannot
assign a pseudocard to a slot that already has a switching module installed in it.
SYSTem:PCAR2 C7700 ' "Install" pseudocard 7700 for slot 2.
Channel assignments
The Model 2700 has two slots for switching modules. To control the appropriate switching
module, the slot number must be included with the switching module channel number
when you specify a channel. The channel assignment is formatted as follows:
SCH where: S is the slot number
CH is the channel number
Examples:
101 = Slot 1, Channel 1
210 = Slot 2, Channel 10
For remote operation, the 3-digit channel assignment is included in the channel list
parameter for the commands. Format examples for the channel list parameter are provided
in
Table 2-1 and Table 2-2.
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