DNP3 Outstation:Application Note -OWL User Module

2022-03-22
DNP3 Outstation module allows the router to use DNP3 protocol (Distributed Network Protocol v. 3), which is intended for reading data from the router.The primary purpose of this protocol is the mutual communication between devices in a network.DNP3 supports communication model based on the principle of ISO OSI system, which only specifies the physical parameters of the communication, data link and application layers ofthis protocol.
DNP3 frame consists of a header with a fixed size of 10 bytes and data part (data payload), which consists of data blocks with a size of 1 to 16 bytes. Each data block is terminated by a Cyclic Redundancy Check (CRC) with a size of 16 bits (2 bytes). The total size of DNP3 frame is maximum of 292 bytes.

Belden's Hirschmann

User Module

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Application note & Design Guide

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2020/10/14

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