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Agilent E1412A Multimeter Application Information
Multimeter Status
System Examples
There are two program examples that demonstrate how the E1412A
Multimeter status system works. In both programs the status byte is
repeatedly read to identify when actions by the Multimeter set the
appropriate bit in the status byte. The computer can identify when readings
are available by monitoring the status byte and can retrieve readings when
they are available.
Figure 2-5 illustrates the E1412A status system. A Questionable Data
Register, an Output Buffer and a Standard Event Register each have a
respective status bit in the Status Byte Register. The Output Buffer sets the
MAV bit when there is data available such as measurement readings or a
response to a SCPI query command. The Questionable Data Register and
Standard Event Register require you to “unmask” the bits you want to be
OR'd into a summary bit which sets the respective bit in the Status Byte. You
must also “unmask” the status bits you want OR'd into a summary bit to set
the Service Request bit (SRQ) if you want to generate an interrupt. The
example programs illustrate this requirement.
Figure 2-5. E1412A Multimeter Status System
GPIB
Summary of Contents for Agilent E1412A
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Page 10: ...8 Contents Notes...
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Page 26: ...24 Agilent E1412A Multimeter Module Setup Chapter 1 Notes...
Page 194: ...192 Agilent E1412A Multimeter Error Messages Appendix B Notes...
Page 201: ...Index 199 Index Agilent E1412A User s Manual and SCPI Programming Guide...
