Device Event Register
The Device Event Register is used to record device errors associated with
some system condition that affects the operation of the meter. When a bit is
set (has a value of one) then the condition is true. The bit remains set until
cleared by the EVENT? query or *CLS command.
The Device Event Enable Register is used to define the conditions that will set
the Device Error bit in the Standard Event Status register.
If
a bit is set in the
Device Event Register and its corresponding bit is set in the Device Event
Enable Register, then the Device Error bit in the Standard Event register will
be set.
The Device Event Enable Register is configured by using the EVENTEN com-
mand. The Device Event Register is described below. The register is bit
mapped, with each bit representing the described condition. The bits are
listed most significant bit first.
Device Event Register
bit
7
Not Currently Used.
bit
6:
Data Error Channel
B
A
one in this bit indicates that a data error occurred on channel
B
during reading calculations. These errors will include such conditions
as divide by zero or taking the log of a negative number.
bit
5:
Saturated Channel
B
Many detectors contain information in their CAL MODULE that indicates
when the detector saturates or
is
otherwise over driven.
A
one in this
bit indicates that a reading on channel
B
was taken at or above this
saturation level.
bit
4:
Overrange Error Channel
B
A
one in this bit indicates that an overrange condition on channel
B
occurs when taking a reading.
bit
3:
Not Currently Used
bit
2:
Data Error Channel
A
A
one in this bit indicates that a data error occurred on channel
A
during reading calculations. These errors will include such conditions
as divide by zero or taking the log of a negative number.
bit
1
:
Saturated Channel
A
Many detectors contain information in their CAL MODULE that indicates
when the detector saturates or
is
otherwise over driven.
A
one in this
bit indicates that a reading was taken on channel
A
at or above this
saturation level.
bit
0: Overrange Error Channel
A
A
one in this bit indicates that an overrange condition on channel
A
occurs when taking a reading.
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