Models 707B and 708B Switching Matrix Reference Manual
Section 7: Command reference
707B-901-01 Rev. A / August 2010
7-177
status.node_event
This attribute stores the status node event register.
Type
TSP-Link accessible
Affected by
Where saved
Default value
Attribute (R)
Yes
Not applicable
Not saved
0
Usage
nodeEventRegister = status.node_event
nodeEventRegister
The node event register's status in decimal form. A zero (0) indicates no bits set.
Other decimal values indicate various bit settings.
Details
This read-only attribute's value is returned as a decimal value. The binary equivalent of the value indicates which
register bits are set. In the binary equivalent, the least significant bit is bit B0, and the most significant bit is bit
B7. For example, if a value of
1.02
(which is 129) is read as the value of the condition register, the
binary equivalent is
10000001
. This value indicates that bit B0 and bit B7 are set.
B7
B6
B5 B4 B3 B2 B1
B0
Most
significant
bit
>
> > > > >
Least
significant
bit
1
0
0
0
0
0
0
1
The returned value can indicate one or more status events occured.
The following table contains descriptions of the bits:
Bit Value
Description
B0
status.MEASUREMENT_SUMMARY_BIT
status.MSB
Set summary bit indicates that an enabled measurement
event has occurred.
Bit 0 decimal value: 1
B1
Not used.
Not applicable.
B2
status.ERROR_AVAILABLE
status.EAV
Set summary bit indicates that an error or status message
is present in the Error Queue.
Bit 2 decimal value: 4
B3
status.QUESTIONABLE_SUMMARY_BIT
status.QSB
Set summary bit indicates that an enabled questionable
event has occurred.
Bit 3 decimal value: 8
B4
status.MESSAGE_AVAILABLE
status.MAV
Set summary bit indicates that a response message is
present in the Output Queue.
Bit 4 decimal value: 16
B5
status.EVENT_SUMMARY_BIT
status.ESB
Set summary bit indicates that an enabled standard event
has occurred.
Bit 5 decimal value: 32
B6
status.MASTER_SUMMARY_STATUS
status.MSS
Set bit indicates that an enabled Master Summary Status
(MSS) bit of the Status Byte register is set.
Bit 6 decimal value: 64
B7
status.OPERATION_SUMMARY
status.OSB
Set summary bit indicates that an enabled operation event
has occurred.
Bit 7 decimal value: 128
In addition to the above constants,
nodeEventRegister
can be set to the decimal equivalent of the bit(s) set.
When more than one bit of the register is set,
nodeEventRegister
contains the sum of their decimal weights.
For example, if 129 is returned, bits B0 and B7 are set (1 + 128).
