DNP3 Communication Protocol

Source: Schneider Electric, Telemetry & Remote SCADA Solutions

Schneider Electric’s complete family of SCADAPack intelligent field controllers and gas flow computers are available with DNP3 protocol. Today’s increasingly complex SCADA networks demand that data-transfer protocols be sufficiently flexible to meet communication challenges while remaining easy-to-configure. Our intelligent implementation of the DNP3 protocol succeeds on both counts.

Details

Click Here To Download:
•DNP3 Overview Communication Protocol
•Telemetry & Remote SCADA Solutions Line Card - Water/Wastewater
•Telemetry & Remote SCADA Solutions Line Card - General
•DNP3 Communications For Water And Wastewater Applications
•Telemetry & Remote SCADA Solutions Brochure
•Bridgeport, California DNP3 Solution

Schneider Electric’s complete family of SCADAPack programmable logic controllers and gas flow computers are available with DNP3 Protocol. Today’s increasingly complex SCADA networks demand that data-transfer protocols be sufficiently flexible to meet communication challenges while remaining easy-to-configure. Our intelligent implementation of the DNP3 protocol succeeds on both counts.

Enhanced Interoperability
DNP3 or Distributed Network Protocol is a standards-based communication protocol developed to enhance interoperability among systems in the electric utility, oil & gas, water/waste water and security industries. It is a flexible and efficient, non-proprietary, layered protocol that offers higher data-transfer integrity than most conventional communication protocols.

It is suitable for implementation anywhere within a SCADA environment, including PLC to IED, master-to-remote, peer-to-peer and network communication applications.

The DNP3 User Group, ensures continuous improvement of the protocol in the ever-changing technological climate of industrial control.

Easily Configured
DNP3 is configured in TelePACE, ISaGRAF and Realflo programming environments with an easy-to-use dialog. Application and data layers, master poll and mimic mode, address mapping, message routing and IO points are all configured on the same dialog. The majority of DNP3 applications can be configured using this dialog, thereby eliminating the need for additional logic programming.

TelePACE, ISaGRAF, Realflo and Firmware Loader applications also support DNP connections to controllers. Controller firmware and application programs can be downloaded to the controller and logic execution monitored on-line using a DNP connection.

Additional DNP Functions
Custom logic functions are available when additional DNP functionality is required. These functions allow the PLC logic application to trigger various DNP events, including class polls, clock synchronisation and unsolicited response messages.

Another set of dedicated function blocks allows the PLC logic to access DNP diagnostic information including DNP connection status, event-count by point type and class, port communication statistics and station message statistics. DNP3 enables tight integration between SCADAPack E RTUs and ClearSCADA enterprise software with features that include automatic/manual downloading of firmware, configuration and application from ClearSCADA to the RTU, trend reading, alarm time profile and security configuration downloading.

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