Series 2280 Precision DC Power Supply Reference Manual Appendix D: Status model
077085503 / March 2019 D-9
Service Request Enable Register
This register is programmed by the user and is used to enable or disable the setting of bit B6
(RQS/MSS) by the Status Summary Message bits (B0, B1, B2, B3, B4, B5, and B7) of the Status
Byte Register. As shown in the Status Byte Register (on page D-7) topic, a logical AND operation is
performed on the summary bits (&) with the corresponding enable bits of the Service Request Enable
Register. When a logical AND operation is performed with a set summary bit (1) and with an enabled
bit (1) of the enable register, the logic “1” output is applied to the input of the logical OR gate and,
therefore, sets the MSS/RQS bit in the Status Byte Register.
The individual bits of the Service Request Enable Register can be set or cleared by using the *SRE
common command. To read the Service Request Enable Register, use the *SRE? query. The Service
Request Enable Register clears when instrument power is cycled or a parameter value of 0 is sent
with a status request enable command (for example, *SRE 0 is sent). You can program and read the
SRQ Enable Register using the following commands.
Read the Status Request Enable Register
Enable bits in the Status Request Enable Register
Status register sets
The Series 2280 status structure contains the following status register sets:
Standard Event Register
Operation Event Register
Operation Instrument Event Register
Operation Instrument Summary Event Register
Questionable Event Register
Questionable Instrument Event Register
Questionable Instrument Summary Event Register
Measurement Event Register
Measurement Instrument Event Register
Measurement Instrument Summary Event Register
Register bit descriptions
The following topics contain detailed information about the register bits.
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