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. Status Reporting
Agilent SAS Status Structure.........................................................................................................................87
Operation Status Group.................................................................................................................................87
Register Functions...................................................................................................................................87
Register Commands.................................................................................................................................87
Questionable Status Group............................................................................................................................89
Register Functions...................................................................................................................................89
Register Commands.................................................................................................................................89
Standard Event Status Group.........................................................................................................................89
Register Functions...................................................................................................................................89
Register Commands.................................................................................................................................89
Status Byte Register ......................................................................................................................................89
The RQS Bit............................................................................................................................................90
The MSS Bit............................................................................................................................................90
Determining the Cause of a Service Interrupt..........................................................................................90
Service Request Enable Register...................................................................................................................90
Output Queue ................................................................................................................................................90
Initial Conditions at Power-On......................................................................................................................90
Status Registers .......................................................................................................................................90
The PON (Power-On) Bit........................................................................................................................91
Examples.......................................................................................................................................................91
Servicing an Operation Status Mode Event.............................................................................................91
Adding More Operation Events...............................................................................................................91
Servicing Questionable Status Events .....................................................................................................91
Monitoring Both Phases of a Status Transition.......................................................................................92
SCPI Command Completion .........................................................................................................................92
DFI (Discrete Fault Indicator).......................................................................................................................92
RI (Remote Inhibit) .......................................................................................................................................93
Using Device Clear .......................................................................................................................................93
A Specifications and Application Information
Specifications and Supplemental Characteristics ..........................................................................................95
Output Impedance Graphs.............................................................................................................................99
Simulator Mode.......................................................................................................................................99
Fixed Mode ...........................................................................................................................................101
Peak Power Tracker Application ................................................................................................................102
Exponential Model Equations ...............................................................................................................103
Series Switching Regulation........................................................................................................................104
Shunt Switching Regulation ........................................................................................................................104
B Verification and Calibration
Introduction.................................................................................................................................................105
Test Equipment Required............................................................................................................................105
Current Monitoring Resistor..................................................................................................................105
Verification..................................................................................................................................................106
General Measurement Techniques ........................................................................................................106
Programming the Agilent SAS..............................................................................................................106
Order of Tests........................................................................................................................................106
Turn On Checkout.................................................................................................................................106
Voltage Programming and Readback Accuracy....................................................................................106
Current Programming and Readback Accuracy.....................................................................................107
Calibration...................................................................................................................................................108
Test Equipment Required......................................................................................................................108
General Procedure.................................................................................................................................108
Parameters Calibrated............................................................................................................................108
Front Panel Calibration ...............................................................................................................................109