Table 4-1: Sesr Bit Functions - Sony Tektronix VX4792 User Manual

Status and Event Reporting
4-2

Table 4-1: SESR Bit Functions

Bit Function
7 (MSB) PON (Power On)
6 URQ (User Request)
event, the waveform generator needs attention from the operator.
5 CME (Command Error)
waveform generator was parsing a command or query. Command error
messages are listed in Table B-2 on page B-2.
4 EXE (Execution Error)
waveform generator was executing a command or query. An execution error
occurs for either of the following reasons:
H
A value designated for the argument is not within the range allowed by
the waveform generator, is not valid for the command, or is incorrect in
some other way
H
Execution took place improperly under conditions that are different from
those which should have been requested
Execution error messages are listed in Table B-3 on page B-3.
3 DDE (Device Dependent Error)
occurred. Device error messages are listed in Table B-4 on page B-5.
2 QYE (Query Error)
read the output queue. Such an error occurs for one of the following two
reasons:
H
An attempt was made to retrieve a message from the output queue
even though it is empty or pending
H
Output queue message was cleared while it was being retrieved from
the output queue
1 RQC (Request Control)
Request Control (RQC) is used to show that an instrument has requested to
transfer bus control back to the controller. (This is the usage prescribed by
the IEEE Std. 488.1.)
0 (LSB) OPC (Operation Complete)
bit is set when all pending operations complete following an *OPC
command.
indicates that the waveform generator was powered on.
indicates an event occurred, and because of that
indicates that an error occurred while the
indicates that an error occurred while the
indicates that a device specific error
indicates that an error occurred when attempting to
the waveform generator does not use this bit.
indicates that the operation is complete. This
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