Chapter 3 Programming Your Counter for Remote Operation
Status Reporting
The Operation and Questionable Data Status Register
Groups
The Operation and Questionable Data Status Register Groups have the
following registers:
•
a condition register
•
one or more transition filters
•
an event register
•
an event enable register
Figure 3-13 shows the model that these register groups follow.
*
= positive transition, or
negative transition, or
either transition.
See Table 3-6.
Condition
Transition
Register
0
1
2
Device Status
Continuously
Monitored
n-1
n
Figure 3-13. Operation and Questionable Data Status Reporting Model
Programming Guide
Event
Filter
Register
(Logical AND)
0
&
*
1
&
*
2
*
n-1
*
n
*
Status Byte Register
Event
Enable
Register
0
1
&
2
&
n-1
&
n
Logical OR
Summary Bit
(OSB or QSB)
3-33