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System Subsystem - Keithley 7711 User Manual

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SYSTem subsystem

Commands to perform system operations are listed in
NOTE
The following commands for the Model 7711/7712 SYSTem subsystem are included here for
reference.
Table 6
SYSTem subsystem commands
Command
2700/2701 Commands
:SYSTem
:CARD1
:CARD2
:SNUMber?
:SWRevision?
:VMAX?
:MUX?
:SNOpen?
:BANKs?
2750 Commands (only)
:CARD
:SNUMber? <NRf>
:SWRevision? <NRf>
:VMAX? <NRf>
:MUX? <NRf>
:SNOpen? <NRf>
:BANKs? <NRf>
:CARD1
:CARD2
If no card is in slot 1, then all commands in
feature or channels being queried, then 0 will be returned.
:MUX?
Returns either a 1 or 0. (For a Model 7711/7712 card, a 0 is returned.)
:SNOpen?
The card is organized into banks of channels, and one channel must always be closed within that
"single, no-open" type —
bank. The Model 7711 is representative of this class with two banks of 4 channels each. Returns either a 1 or 0.
(For a 7711/7712 card, a 1 is returned.)
14
Table
6. Details on these commands follow the table.
Description
Path to queries for slot 1 card.
Path to queries for slot 2 card.
Request serial number of card in Slot x.
Request firmware revision of card in Slot x.
Query the highest allowed voltage on this card.
Return TRUE if this card support ANY mux channels.
Query whether the card is of the "single, no-open" type.
This query returns the number of banks on the card. If the card is not of the
Single, No-Open type, then a -221 "Settings Conflict" error results with
this query.
Path to queries (slot is designated by <NRf> after query command).
Request serial number of card in Slot x.
Request firmware revision of card in Slot x.
Query the highest allowed voltage on this card.
Return TRUE if this card support ANY mux channels.
Query whether the card is of the "single, no-open" type.
This query returns the number of banks on the card. If the card is not of the
Single, No-Open type, then a -221 "Settings Conflict" error results with
this query.
Model 2700/2701 commands
Table 6
generate a -241 "hardware missing" error. If the card does not support the
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