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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
E ve n t R e g is te r
Standard Event Register
Service Request Enable
Logical OR
Status Byte Register
Logical OR
Condition Register
Condition Register
SRQ m essage
Device Register 0
Operation Status Register
Questionable Data Register
01234567
Figure 3-11 CNT-8X Status register structure.