Racal Instruments 1261B User Manual page 89

Using The Enhanced Monitoring System 4-20
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The Questionable Condition Register may be read with the query
STATUS:QUES:COND?
This query returns an integer value in the range 0 to 575.
In addition to the Questionable Condition Register, the 1261B
EMS implements a "Questionable Event Register" and a
"Questionable Enable Register".
"Event Registers" and "Enable Registers" associated with each
of the attributes.
The "Questionable Event Register" contains the latched status of
all of the attribute summary bits. This means that a bit in the
"Questionable Event Register" is set when the corresponding bit
of the "Questionable Condition Register" transitions from a 0 to a
1.
The Questionable Event Register may be read with the query:
STATUS:QUES:EVENT?
The "Questionable Enable Register" enables bits in the
"Questionable Event Register" to set bit 3 of the IEEE-488.2
defined Status Byte.
summary for all enabled "Questionable Event Register" bits.
The Questionable Enable Register may be set with the
command:
STATUS:QUES:ENABLE 32767
This example enables all of the bits of the Questionable Event
Register to set bit 3 of the Status Byte.
The status reporting hierarchy is shown in Figure 4-3.
1261B User Manual
These act identically to the
Bit 3 of the Status Byte is the status
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