Agilent Technologies 8163A Programming Manual page 31

The Status Model
Status Byte Register
Status
Summary
for Level 0
Status
Summary
for Level 1
Operational/Questionable
Slot 15
Slot Status Enable Mask
Register
Operational/Questionable
Slot Status Event
Register
Operational/Questionable
Slot Status Condition
Register
Agilent 8163A Lightwave Multimeter, Agilent 8164A Lightwave Measurement System, & Agilent 8166A Lightwave Multichannel
System, Third Edition
Module slots 1 to 14 affect the Level 0 summary register as described in
Figure 4. Bit 0 of the Level 0 summary registers represents the summary
of the status of module slots 15, 16, and 17. The Level 1 summary
registers contain an individual summary for each of these module slots.
Operational/Questionable Status
Enable Summary Mask
Register (Level 0)
Operational/Questionable Status
Event Summary Register (Level 0)
Operational/Questionable Status
Condition Summary Register (Level 0)
Operational/Questionable Status
Enable Summary Mask
Register (Level 1)
Operational/Questionable Status
Event Summary Register (Level 1)
Operational/Questionable Status
Condition Summary Register (Level 1)
Figure 5 The Operational/Questionable Status System for 8166A
Status Byte
&
&
&
OR
&
&
for a positive
to next
level
&
&
OR
&
&
for a positive
transition
Introduction to Programming
to next
level
&
OR
&
&
for a positive
transition
to next
level
transition
31