Status Reporting
System
Introduction
Status reporting is a method to let the
controller know what the counter is do
-
ing. You can ask the counter what status
it is in whenever you want to know.
You can select some conditions in the
counter that should be reported in the Sta
-
tus Byte Register. You can also select if
some bits in the Status Byte should gen
-
erate a Service Request (SRQ).
(An SRQ is the instrument’s way to call
the controller for help.)
Read more about the Status Subsystem in
Chapter 6.
3-16 Status Reporting System
Introduction to SCPI
Logical OR
Enable Register
Event Register
Standard Event Register
Service Request Enable
Logical OR
Status Byte Register
Logical OR
Condition Register
Condition Register
SRQ message
Device Register 0Operation Status Register
Questionable Data Register
01234567
Figure 3-11 Model '9X' status register structure.