Yokogawa Standalone MW100 - Manual (Page 10)

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IM MW100-S16E-1
Ed01
Framework of DNP master/client functions of MW100 is shown in Figure 3. DNP
master/client functions have two timers, they are called "Integrity Poll" and "Event
Poll" timer, and each timer publish read command and poll class in IED periodically.
Figure 3. Framework of DNP master/client function
Integrity Poll
Event Poll
Time
Time
Read
Class 0
+
Read
Class 1, 2, 3
Execute
Command table
Target list
DNP3.0 Network
Command table
Max. 10 Units
+
Command / Response
IED
(Slave)
IED
(Slave)
MW100 (Master)