Key Features - HP 1650B Programming Reference Manual

Key Features

Status Reporting
B-4
EXE - execution error. Indicates whether a parameter was out of range,
or inconsistent with current settings.
DDE
complete an operation for device dependent reasons.
violated.
RQC
OPC
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
occurred.
MSB
modules Status registers has occurred.
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
HP 1650B/HP 16518
Programming Reference