Keithley 708B Reference Manual page 113

Section 2: General operation
To identify installed switching cards from the web interface:
1. Select the Unit page.
2. In the Report area, select the slots that you want information about.
3. Select Firmware Revision.
4. Click Generate Report. Information about the card is displayed below the button.
To identify installed switching cards from the remote command interface:
Use print(slot[X].idn)to query and identify installed switching cards:
print(slot[X].idn)
Where: X = slot number (from 1 to 6 for Model 707B or 1 for Model 708B)
Example
To get a list of all switching cards installed in the slots of a Model 707B, send the following command
over the remote command interface:
for x=1,6 do print (slot[x].idn) end
The response will be similar to the following:
7174, 8x12 Fast Low-I Matrix, 01.00a, <Module Serial Number>
7072, 8x12 Semi Matrix, 01.00a, <Module Serial Number>
Empty Slot
Empty Slot
Empty Slot
Empty Slot
Selecting a channel from the front panel
You can perform operations on a single channel from the front panel. To select a channel, see
Selecting channels from the front panel
channel for front panel operation.
Closing and opening channels
Switching channels allow various methods for closing and opening relay channels.
The methods for closing and opening channels include:
•
Channel close: Close the selected channel.
•
Channel exclusive close: Close the selected channel and open any closed channels on the
instrument (the only closed channel is the selected channel).
•
Channel exclusive slot close: Close the selected channel and open any closed channels in the
same slot.
•
Channel open.
The Model 707B or 708B verifies that the operation being requested for a channel is supported by the
specified channel and that the channel exists in the instrument.
2-94
Models 707B and 708B Switching Matrix Reference Manual
(on page 2-17). Once a channel is selected, it is the selected
707B-901-01 Rev. A / August 2010