2
Remote Control
2.1 Remote control basis
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2.1.5.1 Structure of the status register
Figure 2.3 Hierarchy Diagram of Status Registers
The register classification is described as follows:
1) STB, SRE
Status Byte (STB) register and its associated mask register, Service Request Enable (SRE) register,
constitute the top-level register of the status reporting system. The STB saves the general working
status of the instrument by collecting low-level register information.
2) ESR, SCPI status register
STB receives the information of the following registers:
The value of Event Status Register (ESR) and Event Status Enable (ESE) mask register.
SCPI status registers include: STATus:OPERation and STATus:QUEStionable registers
(SCPI definition) which contain the specific operating information of the instrument. All SCPI status
registers have
the same internal structure (please refer to Section 2.1.5.2 “ Structure of SCPI status register” in the
Programming Manual).
3) IST, PPE
Similar to the SRQ, an individual bit of the IST mark ("Individual STatus") is a combination of all statuses
