Course Project Wireless HART. For Dr. Samir Ghadhban PREPARED BY AL-SHAHRANI, ABDUL-AZIZ (237391) AL-MUTAIRY, WALEED (236365)

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Presentation transcript:

Course Project Wireless HART

For Dr. Samir Ghadhban PREPARED BY AL-SHAHRANI, ABDUL-AZIZ (237391) AL-MUTAIRY, WALEED (236365)

OUTLINES INTRODUCTION INTRODUCTION NETWORK ARCHITICTURE NETWORK ARCHITICTURE LAYERS SPECIFICATIONS LAYERS SPECIFICATIONS Physical Layer Physical Layer Data-Link Layer Data-Link Layer Network Layer Network Layer Transport Layer Transport Layer CONCLUSION CONCLUSION

Wireless HART is a Wireless Mesh Network Communications Protocol. Wireless HART is a Wireless Mesh Network Communications Protocol. designed to meet the needs for process automation applications. designed to meet the needs for process automation applications. INTRODUCTION

INTRODUCTION Wireless HART is a key part of the HART Field Communications Protocol Revision 7 Wireless HART is a key part of the HART Field Communications Protocol Revision 7 Existing HART applications (e.g., control systems, PLC's, maintenance tools, and asset management applications) Existing HART applications (e.g., control systems, PLC's, maintenance tools, and asset management applications)

NETWORK ARCHITICTURE Wireless HART Field Devices (WFD): Wireless HART Field Devices (WFD): connected to the process or to plant equipment connected to the process or to plant equipment

NETWORK ARCHITICTURE Wireless HART Gateways: Wireless HART Gateways: enable communication between Host Applications and WFD enable communication between Host Applications and WFD support one or more Access Points support one or more Access Points A Gateway and its Access Points must included in every Wireless HART network A Gateway and its Access Points must included in every Wireless HART network

NETWORK ARCHITICTURE A Wireless HART Network Manager: A Wireless HART Network Manager: responsible for configuration of the network responsible for configuration of the network scheduling communication between Wireless HART devices (e.g., configuring super frames) scheduling communication between Wireless HART devices (e.g., configuring super frames) management of the routing tables management of the routing tables monitoring and reporting the health of the Wireless HART Network monitoring and reporting the health of the Wireless HART Network

NETWORK ARCHITICTURE

LAYERS SPECIFICATIONS Physical Layer: Physical Layer: Maximum data rate (250 kbps) Maximum data rate (250 kbps) Operating Frequency ( GHz) Operating Frequency ( GHz) transmit Power is 10dBm (Nominal) adjustable in discrete steps (e.g., 0dBM and others) transmit Power is 10dBm (Nominal) adjustable in discrete steps (e.g., 0dBM and others)

LAYERS SPECIFICATIONS Data-Link Layer: Data-Link Layer: has long and short addresses has long and short addresses Additional Wireless HART DLPDU specifies a byte which identifies Wireless HART packet types Additional Wireless HART DLPDU specifies a byte which identifies Wireless HART packet types Bus Arbitration with TDMA using timeslots organized into super frames as 100 timeslots per second Bus Arbitration with TDMA using timeslots organized into super frames as 100 timeslots per second

LAYERS SPECIFICATIONS Data-Link Layer: Data-Link Layer: Acknowledgement packets include timing information to continuously synchronize TDMA operation across entire network Acknowledgement packets include timing information to continuously synchronize TDMA operation across entire network

LAYERS SPECIFICATIONS Network Layer: Network Layer: Upstream and downstream graph routing Upstream and downstream graph routing Provides redundant path routing for maximum reliability and managed latency Provides redundant path routing for maximum reliability and managed latency Supports Broadcast, multi-cast and uni-cast transmissions. Supports Broadcast, multi-cast and uni-cast transmissions.

LAYERS SPECIFICATIONS Transport Layer: Transport Layer: provides un-acknowledged and end-end acknowledgement of communications provides un-acknowledged and end-end acknowledgement of communications Acknowledged transmissions include automatic retries to confirm successful data transfer Acknowledged transmissions include automatic retries to confirm successful data transfer also supports TCP-like reliable block transfers of large data sets also supports TCP-like reliable block transfers of large data sets

CONCLUSION Wireless HART provides new capabilities for users to get information on process parameters Wireless HART provides new capabilities for users to get information on process parameters The HART Communication Foundation provides worldwide support for application of HART technology The HART Communication Foundation provides worldwide support for application of HART technology