6-50 Remote Control PLZ-U
6.6.2 IEEE488.2 Registers
Standard event status register
The standard event status register bits are set when certain events occur during PLZ-
U operation. All bits of the standard event status register are set by the error event
queue.
The register is defined by the IEEE488.2 standard. IEEE488.2 common commands
*ESE, *ESE?, and *ESR? are used to control the register.
Table 6-13 Standard event status register
(Standard Event Status Resister)
Bit Bit Weight Bit Name Description
01
Operation Complete (OPC) Set when an *OPC command is received and all operations in
standby are complete. Event-800 Operation Complete message is
loaded in the error/event queue.
1 2 Request Control (RQC) Not used
24
Query Error (QYE) Set when an attempt is made to read data from the output queue
when there is no output or the error queue is in wait status.
Indicates that there is no data in the error queue.
For details on the error codes, see appendix A.6, “Error Messages.”
38
Device Dependent Error
(DDE)
Set when there is a device-specific error.
For details on the error codes, see appendix A.6, “Error Messages.”
416
Execution Error (EXE) Set when the PLZ-U evaluates the program data following the
header is outside the formal input range (does not match the perfor-
mance of the PLZ-U).
This indicates that a valid SCPI command may not be executed cor-
rectly depending on the conditions of the PLZ-U. For details on the
error codes, see appendix A.6, “Error Messages.”
532
Command Error (CME) Set when an IEEE 488.2 syntax error is detected, when an unidenti-
fiable header is received, or when a group execution trigger enters
the internal IEEE 488.2 SCPI command input buffer.
For details on the error codes, see appendix A.6, “Error Messages.”
664
User Request (URQ) Set when the bit is unmasked and the instrument wishes to respond
to the 488.2 user request event.
When the instrument detects the activation of the user request local
control, an event is generated.
Event-600 User Request message is loaded in the error/event
queue.)
7 128 Power ON (PON) Not used
8-15 Reserved Not used
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