Remote Operation
Series 2268 850 Watt DC Power Supplies Reference Manual
132
2268S-901-01 Rev. A / January 2015
Figure 55 summarizes the Standard Event Status Register.
Figure 55: Summary of Standard Event Status Register
Standard Event Status Register
Bit
Bit Weight Bit Name
Description
0
1
Operation Complete
(OPC)
Set if * OPC command has been received and all pending
operations have been completed.
1
2
Request Control (RQC)
Not implemented. Always set to 0.
2
4
Query Error (QYE)
Not implemented.
3
8
Device Dependent Error
(DDE)
Set if there is a device-specific error.
See “Device-Specific Error List” on page 246 for a list
possible error codes and descriptions.
4
16
Execution Error (EXE)
Set if a program data element, following a header, was
evaluated by the power supply as outside of its legal input
range, or is otherwise inconsistent with the power supply's
capabilities. Suggests that a valid program message could not
be properly executed due to some power supply condition.
See “Execution Error List” on page 245 for a list of possible
error codes and descriptions.
5
32
Command Error (CME)
Set if an IEEE488.2 syntax error has been detected by the
parser, an unrecognized header was received, or a group
Execute Trigger was entered into the input buffer inside an
IEEE 488.2 program message.
See “Command Error List” on page 244 for a list of possible
error codes and descriptions.
6
64
User Request (URQ)
Not Implemented
7
128
Power ON (PON)
Not Implemented
8-15
N/A
Reserved
Reserved for possible future use by IEEE. Bit values are
reported as zero.
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