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DNP3 Communication Driver

DNP3 Communication Driver is intended for data connection between Reliance's runtime software and devices communicating via DNP3 (Distributed Network Protocol). The driver implements services for data reading/writing and time synchronization.


According to its parameters, it sends requests for current data from individual priority classes. It processes both data with no time stamp and time-stamped data.



Supported objects and their variations

Reading data

Binary Inputs

Group 1
Group 2

variation 1, 2
variation 1, 2, 3

Binary Outputs

Group 10, 11
Group 12

variation 1, 2
variation 3

Counters

Group 20
Group 21, 22, 23

variation 1, 2, 3, 4, 5, 6, 7, 8
variation 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

Analog Inputs

Group 30
Group 31, 32, 33
Group 34

variation 1, 2, 3, 4, 5, 6
variation 1, 2, 3, 4, 5, 6, 7, 8
variation 1, 2, 3

Analog Outputs

Group 40, 41

variation 1, 2, 3, 4

Time

Group 50
Group 52

variation 1, 3
variation 1

Internal Indications

Group 80

variation 1

Writing data

Binary Outputs

Group 10

variation 1, 2

Analog Outputs

Group 40

variation 1, 2, 3, 4

Time

Group 50

variation 1, 3





Modicon M340 PLC

Modicon M340 with support for DNP3




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