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Setting Up, Understanding & Troubleshooting of Industrial Ethernet & Automation Networks
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Objectives
• Describe the functions of the seven OSI layers
• Map the various layers of IEEE 802.11 and IEEE 802.15 as well as the various field buses on to the OSI model
• Describe current trends in the plant Industrial automation arena
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Network types
• LANs (Local Area Networks)
• MANs (Metropolitan Area Networks)
• WANs (Wide Area Networks)
• WLANs (Wireless LANs)
• PANs (Personal Area Networks) / WSNs (Wireless Sensor Networks) / WMNs (Wireless Mesh Networks
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The OSI model
OSI layering concept
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The OSI model
• Relationship between layers, entities, functions and SAPs
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The OSI model
• Service primitive
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The OSI model
• Peer layer interaction in OSI model
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The OSI model
• OSI message passing
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OSI layer services
• Application layer
• Presentation layer
• Session layer
• Transport layer
• Network layer
• Data Link layer
• Physical layer
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The Client/Server paradigm
A p p l i c a t i o n
P r e s e n t a t i o n
S e s s i o n
T r a n s p o r t
N e t w o r k
D a t a L i n k
P h y s i c a l
A p p l i c a t i o n
P r e s e n t a t i o n
S e s s i o n
T r a n s p o r t
N e t w o r k
D a t a L i n k
P h y s i c a l
N e t w o r k
D a t a L i n k
P h y s i c a l
R o u t e r
C l i e n t S e r v e r
C o m m u n i c a t i o n s M e d i u m
P e e r t o P e e r
R e l a t i o n s h i p s
•Client/Server communication
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Where the different technologies fit in ?
• Networking technologies such as IEEE 802.3 (Ethernet), IEEE 802.11 (Wireless LANs, a.k.a. Wi-Fi) and IEEE 802.15 (Wireless PANs)
• TCP/IP protocol stack
• WAN, routing and end-to-end control
• Automation networks
• Field buses
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Current trends
• Ethernet
• ‘Retrofit’ of Ethernet to existing field buses
• Additional Real Time capabilities to Ethernet
• Use of TCP/IP for the middle layers of the stack
• Use of OPC
• Use of wireless in Industrial environments
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DO YOU WANT TO KNOW MORE?
If you are interested in further training or information, please visit:
http://idc-online.com/slideshare