Agilent Technologies Agilent 8166A Manual de Instruções Página 36

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Introduction to Programming The Status Model
36 Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition
Status System for 8166A/B
The status system for the Agilent 8166A/B Lightwave Multichannel
System returns the status of 17 module slots. The
Operational/Questionable Status Summary Registers consists of two
levels, as described by Figure 5 .
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.
Figure 5 The Operational/Questionable Status System for 8166A/B
Operational/Questionable Status
Operational/Questionable Status
Operational/Questionable Status
Condition Summary Register (Level 0)
Event Summary Register (Level 0)
Enable Summary Mask
Register (Level 0)
Status Byte
Status Byte Register
Status
Summary
to next
&
&
&
&
OR
level
to next
Operational/Questionable
Operational/Questionable
Operational/Questionable
Slot Status Condition
Slot Status Event
Slot Status Enable Mask
&
&
&
&
OR
level
to next
for a positive
&
&
&
&
OR
level
Status
Summary
Slot 15
transition
for a positive
transition
for a positive
transition
Operational/Questionable Status
Operational/Questionable Status
Operational/Questionable Status
Condition Summary Register (Level 1)
Event Summary Register (Level 1)
Enable Summary Mask
Register
Register
Register
Register (Level 1)
for Level 1
for Level 0
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