E5810B Web Access3
E5810B User’s Guide
65
Table 3-2
Buttons description
Button
Description
Device Clear
Sometimes communication with an instrument may be impeded. This can occur for
a wide variety of reasons. Sending a
Device Clear
command to the instrument
usually solves this problem and restores proper communication with the
instrument. If you encounter an error while performing a formatted I/O operation,
send a
Device Clear
command to ensure a proper instrument communication
is restored.
*IDN? (ID string)
Returns the ID string for the selected IEEE-488.2 compliant instrument.
Read STB (Read Status Byte)
Returns the decimal and hexadecimal value of the IEEE-488.2 compliant
instrument's status byte. Many instruments that support formatted I/O also have
the ability to read the status byte. This command returns the information on the
status of the instrument, such as error status and busy status. See your instrument
manuals for the status byte codes.
SYST:ERR? (System error)
Returns a SCPI system error for a SCPI compliant instrument. A return,
0 No errors
is sent to show no system errors.
Clear History
Clears the display of all previous queries.
Clear ALL Pending Operations
Clears all pending operations on instruments connected to the E5810B. This
operation expires all existing timeouts on all the devices connected to the E5810B.
Taking this action may affect other users currently using the E5810B. A password
dialog box will appear that prompts you to confirm this action.
Timeout
A timeout value is used to limit the amount of time for an I/O operation to
complete. The I/O timeout value, as set on the Configuring your E5810B
LAN/GPIB/USB Gateway page, may not be long enough for some instrument
activities to complete. Setting a longer timeout will inform the E5810B to wait a
longer time for the instrument to finish.
Alternatively, sending a separate
Send
and
Receive
command may also work. If
the configuration value is too long, you may also force a shorter timeout here for
faster troubleshooting of the instrument tests. To set a different timeout, enter a
timeout value in the
Timeout
text box. This value is used for all commands issued
to an instrument from this page. The valid timeout range is 1 to 60 seconds.
Summary of Contents for E5810B
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