S&C Instruction Sheet 1043-550
15
Transport Function Transmit List
This is the number of DNP fragments that have been processed by the application
layer and are waiting for Data Link Layer service. A fragment may remain in this
buffer for a limited time if the Data Link Layer is busy.
Application Layer Message List
This is the number of application layer messages that are waiting to be processed
and/or serviced by the Transport Function. These messages primarily consist of
originated messages destined for team members for which responses are expected.
These originated messages will remain in the buffer until a response is received or
until the retry time and count have expired.
Peer Device List
This is the number of peer devices, or team members, that have been registered with
DNP and for which an association will be maintained.
Special Function List
This is the number of special functions that have been registered with DNP. Special
functions are application processes that will be triggered by read or write operations
to special predefined virtual memory locations.
URBE Function List
This is the number of functions, or application processes, that have been registered
with DNP which will be triggered by the reception of unsolicited event messages
from specific peer devices.
Binary Input Point List
This is the total number of binary input points that may be mapped to SCADA point
numbers. This is the size of the buffer rather than the actual number of mapped
points.
Analog Input Point List
This is the total number of analog input points that may be mapped to SCADA point
numbers. This is the size of the buffer rather than the actual number of mapped
points.
Counter Input Point List
This is the total number of counter input points that may be mapped to SCADA point
numbers. This is the size of the buffer rather than the actual number of mapped
points.
Control Output Point List
This is the total number of control output points that may be mapped to SCADA
point numbers. This is the size of the buffer rather than the actual number of mapped
points.
Analog Output Point List
This is the total number of analog output points that may be mapped to SCADA point
numbers. This is the size of the buffer rather than the actual number of mapped
points.
Binary Event List
This is the number of binary input events that are queued and ready to be sent in the
next event data request, or the next unsolicited event report.
Analog Event List
This is the number of analog input events that are queued and ready to be sent in the
next event data request, or the next unsolicited event report.
Communication Diagnosis
