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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.
3) IST, PPE
Similar to the SRQ, an individual bit of the IST mark ("Individual STatus") is a combination of all statuses of the
instrument. The associated parallel query enable register (PPE) determines which data bits of the STB act on the IST
mark.
4) Output buffer
The output buffer stores the message returned by the instrument to the controller. It doesn
‟
t belong to the status reporting
system but determines the value of the MAV bit of STB.
For detailed description of the above registers
Please refer to Fig. 5.1 Hierarchy Diagram of Status Register.
SRE, ESE
The SRE can be used as an enable part of the STB. Similarly, the ESE can be used as an enable part of the ESR.
