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Transcript
Discover network communication H What to remember Understand the basic principles of communication used in the PPC offers F E D C ? B What we're going to do A Quiz G Communicating architectures in Schneider electrical distribution Ethernet equipment Ethernet: TCP and IP protocol Modbus protocol Communication between machines Items used for communication Duration: 14 minutes Expert: Charlie ROCHE Pedagogy: Loup GIRIER TOLED Discover network communication – May 2004 1 WHAT WE'RE GOING TO DO signal protocol medium Modbus Ethernet converter router repeater TOLED Intranet switch etc.... Discover network communication – May 2004 2 ITEMS USED FOR COMMUNICATION Smoke signals TOLED Telegraph Digital exchange Discover network communication – May 2004 3 - language and physical link Common language Physical link Vibrations TOLED Discover network communication – May 2004 4 - network and exchange rules TOLED Discover network communication – May 2004 5 COMMUNICATION BETWEEN MACHINES H What to remember Quiz G F E D C ? TOLED B What we're going to do A Communicating architectures in Schneider electrical distribution Ethernet equipment Ethernet: TCP and IP protocol Modbus protocol Communication between machines Items used for communication Discover network communication – May 2004 6 - main items used for communication Common language Protocol String Medium Vibrations Signal TOLED Discover network communication – May 2004 7 - protocol, medium, signal Signal: – the mode used to encode the information on the medium Medium: – the physical means for conveying information Protocol: – the structure of the language used – management of access to the medium and exchanges TOLED Discover network communication – May 2004 8 - preparation of the signal Transmitting device 1 data digital encryption 1 0 1 0 0 modulator transmission signal 0 demodulator 0 1 0 1 1 digital decryption data Receiving device TOLED Discover network communication – May 2004 9 - medium Cabled link Fiber optic link Radio links TOLED Discover network communication – May 2004 10 - protocol: Modbus or Ethernet Language Medium access mode Modbus Ethernet Gateways for compatibility with other protocols TOLED Discover network communication – May 2004 11 Modbus protocol H What to remember Quiz G F E D C ? TOLED B What we're going to do A Communicating architectures in Schneider electrical distribution Ethernet equipment Ethernet: TCP and IP protocol Modbus protocol Communication between machines Items used for communication Discover network communication – May 2004 12 - access to a "Master - Slave" type medium Master Query Answer Slave 1 TOLED Slave 2 Slave 3 Discover network communication – May 2004 13 - 2 function blocks MODBUS COMMUNICATING EQUIPMENT Query Answer Linked to the application Linked to the network TOLED Discover network communication – May 2004 14 - Modbus: local industrial use Dialogue between Modbus devices only Limited number of machines Limited volume of transmitted data A single Master Industrial applications Schneider low voltage circuit breakers Schneider power monitoring units TOLED Discover network communication – May 2004 15 Ethernet: TCP and IP protocol H What to remember Quiz G F E D C ? TOLED B What we're going to do A Communicating architectures in Schneider electrical distribution Ethernet equipment Ethernet: TCP and IP protocol Modbus protocol Communication between machines Items used for communication Discover network communication – May 2004 16 - universal technology Ethernet Internet Universal: Exchanges between different protocols Large number of machines Large volume of data Between different networks TOLED Intranet Random access Discover network communication – May 2004 17 - 1 additional function block: TCP-IP ETHERNET COMMUNICATING EQUIPMENT Application Formatting of information = TCP: Transmission Control Protocol Universal Addressing of information = IP: Internet Protocol Network TOLED Discover network communication – May 2004 18 - TCP: segment, encapsulate, schedule Sender Message Message TCP 1 2 3 Receiver TCP 4 2 IP 4 1 3 IP ETHERNET TOLED Discover network communication – May 2004 19 - IP: give an address IP = postal service Universal addressing Town TOLED Network Street Sub-network Receiver Machine Discover network communication – May 2004 20 ETHERNET EQUIPMENT H What to remember Quiz G F E D C ? TOLED B What we're going to do A Communicating architectures in Schneider electrical distribution Ethernet equipment Ethernet: TCP and IP protocol Modbus protocol Communication between machines Items used for communication Discover network communication – May 2004 21 - router to connect 2 networks Receiver Network Router Router Sub-network Router Router Router BOTTLENECK! Router Router Router Router Router Router Router Sender TOLED Discover network communication – May 2004 22 - converters and gateways Converter: changes the signal and/or medium Gateway: changes the protocol TOLED Discover network communication – May 2004 23 - repeater and switch Repeater: reformats the weakened signal Switch: Hub transmits the message to the intended receiver Messagefor forPC PCno. no.22 Message 1 TOLED 2 3 4 Discover network communication – May 2004 24 WORKSTATION - locate equipment NETWORK 3 Converter NETWORK 1 Ethernet NETWORK 2 Router Segment 1 NETWORK 4 Repeater Ethernet Segment 2 Ethernet Switch TOLED Segment 3 Discover network communication – May 2004 25 COMMUNICATING ARCHITECTURES IN ELECTRICAL DISTRIBUTION H What to remember Quiz G F E D C ? TOLED B What we're going to do A Communicating architectures in Schneider electrical distribution Ethernet equipment Ethernet: TCP and IP protocol Modbus protocol Communication between machines Items used for communication Discover network communication – May 2004 26 - links Serial link (COM port) Network interface card TOLED Discover network communication – May 2004 27 - direct serial link on PC RS232 COM port ACE909 converter RS485 serial link Modbus Compact NS PM500 PM 850 CM4000 Modbus SEPAM Compact NS S20-40-80 Masperpact NT - NW CM3000 Micrologic A- P - H TOLED Discover network communication – May 2004 28 - Ethernet link Network interface card Ethernet Modbus / Ethernet gateways EGX 200 - 400 / MPS100 Modbus Compact NS Modbus CM4000 ECC card PM 850 PM500 CM4000 Modbus SEPAM Compact NS S20-40-80 Masperpact NT - NW CM3000 Micrologic A- P - H TOLED Discover network communication – May 2004 29 QUIZ H What to remember Quiz G design in progress F E D C ? TOLED B What we're going to do A Communicating architectures in Schneider electrical distribution Ethernet equipment Ethernet: TCP and IP protocol Modbus protocol Communication between machines Items used for communication Discover network communication – May 2004 30 What to remember H What to remember Quiz G F design in progress E D C ? TOLED B What we're going to do A Communicating architectures in Schneider electrical distribution Ethernet equipment Ethernet: TCP and IP protocol Modbus protocol Communication between machines Items used for communication Discover network communication – May 2004 31