• Overview — Provides an operational overview of the status structure for the power
supply.
• Clearing registers and queues — Covers the actions that clear (reset) registers and
queues.
• Programming and reading registers — Explains how to program enable registers and
read any register in the status structure.
• Status byte and service request (SRQ) — Explains how to program the status byte to
generate service requests (SRQs). Shows how to use the serial poll sequence to detect
SRQs.
• Status register sets — Provides bit identification and command information for the four
status register sets; standard event status, operation event status, measurement event
status and questionable event status.
• Queues — Provides details and command information on the output queue and error
queue.
NOTES This manual covers Keithley Models 2302, 2302-PJ, 2306, 2306-PJ, 2306-VS
simulators (power supplies). Since the Model 2302 and 2302-PJ are single channel
battery simulators, functions related to the second channel (i.e., the charger channel)
are not available for the Model 2302 and 2302-PJ. Therefore:
• battery and charger channel features contained in this manual apply for the
Models 2306, 2306-VS and 2306-PJ
• only battery channel features contained in this manual apply for the Model 2302
and 2302-PJ
Refer to Appendix F for specific Model 2302 and 2302-PJ information.
Information contained in this section applies to all power supply channels (unless
otherwise noted). In this manual, channel 1 refers to the battery channel while
channel 2 refers to the charger channel (2306, 2306-VS and 2306-PJ feature only).
8
Status Structure
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