1 Power Meter Remote Operation
50 N1911A/1912A P-Series Power Meters Programming Guide
Status Reporting
Status reporting is used to monitor the power meter to determine when
events have occurred. Status reporting is accomplished by configuring and
reading status registers.
The power meter has the following main registers:
•Status Register
• Standard Event Register
• Operation Status Register
• Questionable Status Register
• Device Status Register
There are other registers that exist “behind” the main registers, and are
described later in this chapter.
Status and Standard Event registers are read using the IEEE- 488.2
common commands.
Operation and Questionable Status registers are read using the SCPI
STATus command subsystem.
The General Status Register Model
The generalized status register model shown in Figure 1- 7 is the building
block of the SCPI status system. This model consists of a condition
register, a transition filter, an event register and an enable register. A set
of these registers is called a status group.
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