E: Status model Series 2600B System SourceMeter® Instrument
E-20 2600BS-901-01 Rev. B / May 2013
For example, either of the following commands will set the EXT enable bit:
status.system.enable = status.system.EXT
status.system.enable = 1
When reading a register, a numeric value is returned. The binary equivalent of this value indicates
which bits in the register are set. For details, see Reading registers (on page E-15
). For example, the
following command will read the System Enable Register:
print(status.system.enable)
The used bits of the system event registers are described as follows:
• Bit B0, Extension Bit (EXT): Set bit indicates that an extension bit from another system status
register is set.
• Bits B1-B14* NODEn: Indicates a bit on TSP-Link node n has been set (n = 1 to 64).
*status.system5 does not use bits B9 through B15.
Standard Event Register
The bits used in the Standard Event Register are described as follows:
• Bit B0, Operation Complete (OPC): Set bit indicates that all pending selected device operations
are completed and the Series 2600B instrument is ready to accept new commands. The bit is set
in response to an *OPC command. The opc() function can be used in place of the *OPC
command. See Common commands (on page D-1
) for details on the *OPC command.
• Bit B1: Not used.
• Bit B2, Query Error (QYE): Set bit indicates that you attempted to read data from an empty
output queue.
• Bit B3, Device-Dependent Error (DDE): Set bit indicates that an instrument operation did not
execute properly due to some internal condition.
• Bit B4, Execution Error (EXE): Set bit indicates that the Series 2600B instrument detected an
error while trying to execute a command.
• Bit B5, Command Error (CME): Set bit indicates that a command error has occurred. Command
errors include:
• IEEE Std 488.2 syntax error: The Series 2600B instrument received a message that does not follow the
defined syntax of IEEE Std 488.2.
• Semantic error: Series 2600B instrument received a command that was misspelled or received an
optional IEEE Std 488.2 command that is not implemented.
• The instrument received a Group Execute Trigger (GET) inside a program message.
• Bit B6, User Request (URQ): Set bit indicates that the LOCAL key on the Series 2600B
instrument front panel was pressed.
• Bit B7, Power ON (PON): Set bit indicates that the Series 2600B instrument has been turned off
and turned back on since the last time this register was read.
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