EXE
-
execution error.
Indicates whether a parameter was out of range,
or inconsistent with current settings.
DDE
-
device specific error.
Indicates whether the device was unable to
complete an operation for device dependent reasons.
QYE
-
query error. Indicates whether the protocol for queries has been
violated.
RQC
-
request control.
Always 0 on the HP 1650BD651B.
OPC
-
operation complete.
Indicates whether the device has completed
all pending operations. OPC is controlled by the *OPC common
command. Because this command can appear after any other command,
it serves as a general purpose operation complete message generator.
LCL
-
remote to
local. Indicates whether a remote to local transition has
occurred.
MSB
-
module summary bit.
Indicates that an enable event in one of the
modules Status registers has occurred.
Key Features
A few of the most important features of Status Reporting are listed in the
following paragraphs.
Operation Complete. The IEEE
488.2 structure provides one technique
which can be used to find out if any operation is
ftihed.
The *OPC
command, when sent to the instrument after the operation of interest, will
set the OPC bit in the Standard Event Status Register. If the OPC bit and
the RQS bit have been enabled a service request will be generated. The
commands which affect the OPC bit are the overlapped commands.
OUTPUT
XXX;“*SRE
32
;
*ESE
1’
!enables
an OPC service request
Status Reporting
B-4
HP 1650B/HP 16518
Programming Reference
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