Keithley 2450 Reference Manual page 694

Model 2450 Interactive SourceMeter® Instrument Reference Manual
The instrument returns a decimal value that corresponds to the binary-weighted sum of all bits set in the register.
Bit
0
1
2
3
4
5
6
7
Command errors include:
• IEEE Std 488.2 syntax error: The instrument received a message that does not follow the defined
syntax of the IEEE Std 488.2 standard.
• Semantic error: The instrument received a command that was misspelled or received an optional IEEE
Std 488.2 command that is not implemented in the instrument.
• GET error: The instrument received a Group Execute Trigger (GET) inside a program message.
Example 1
standardRegister = status.standard.OPC + status.standard.EXE
status.standard.enable = standardRegister
Uses constants to set the OPC and EXE bits of the standard event status enable register.
Example 2
-- decimal 17 = binary 0001 0001
standardRegister = 17
status.standard.enable = standardRegister
Also see
Standard Event Register
Understanding bit settings
2450-901-01 Rev. B/September 2013
Decimal Constant
value
status.standard.OPC
1
Not used
2
status.standard.QYE
4
status.standard.DDE
8
status.standard.EXE
16
status.standard.CME
32
status.standard.URQ
64
status.standard.PON
128
(on page C-3)
(on page C-15)
Section 8: TSP command reference
When set, indicates the following
has occurred:
All pending selected instrument
operations are complete and the
instrument is ready to accept new
commands. The bit is set in response
to an *OPC (on page B-6) command
or TSP opc() (on page 8-77) function.
Not used.
Attempt to read data from an empty
Output Queue.
An instrument operation did not
execute properly due to an internal
condition.
The instrument detected an error
while trying to execute a command.
A command error has occurred. See
information following this table for
descriptions of command errors.
The instrument transitioned from
remote control to local control.
The instrument has been turned off
and turned back on since the last
time this register was read.
Uses a decimal value to set the OPC and
EXE bits of the standard event status
enable register.
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