Keithley 6514

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Status Structure
• Overview — Provides an operational overview of the status structure for Model 6514.
• 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 sta-
tus, and questionable event status.
• Queues — Provides details and command information on the output queue and error
queue.