Transcript Discover network communication

Discover network communication
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What to remember
 Understand the basic principles
of communication used in the
PPC offers
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What we're going to
do
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Quiz
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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
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WHAT WE'RE GOING TO DO
signal
protocol
medium
Modbus
Ethernet
converter
router
repeater
TOLED
Intranet
switch
etc....
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ITEMS USED FOR COMMUNICATION
Smoke signals
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Telegraph
Digital exchange
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- language and physical link
Common language
Physical link
Vibrations
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- network and exchange rules
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COMMUNICATION BETWEEN MACHINES
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What to remember
Quiz
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What we're going to
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Communicating architectures in
Schneider electrical distribution
Ethernet equipment
Ethernet: TCP and IP protocol
Modbus protocol
Communication between machines
Items used for communication
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- main items used for communication
Common language
Protocol
String
Medium
Vibrations
Signal
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- 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
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- preparation of the signal
Transmitting
device
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data
digital
encryption
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modulator
transmission signal
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demodulator
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digital
decryption
data
Receiving
device
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- medium
Cabled link
Fiber optic link
Radio links
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- protocol: Modbus or Ethernet
Language
Medium access mode
 Modbus
 Ethernet
Gateways for compatibility with other protocols
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Modbus protocol
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What to remember
Quiz
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What we're going to
do
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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
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- access to a
"Master - Slave" type medium
Master
Query
Answer
Slave 1
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Slave 2
Slave 3
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- 2 function blocks
MODBUS COMMUNICATING EQUIPMENT
Query
Answer
Linked to the application
Linked to the network
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- 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
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Ethernet: TCP and IP protocol
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What to remember
Quiz
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C
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TOLED
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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
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- universal technology
Ethernet
Internet
Universal:
Exchanges between different protocols
Large number of machines
Large volume of data
Between different networks
TOLED
Intranet
Random access
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- 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
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- TCP: segment, encapsulate, schedule
Sender
Message
Message
TCP
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Receiver
TCP
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IP
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3
IP
ETHERNET
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- IP: give an address
IP = postal service
Universal addressing
Town
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Network
Street
Sub-network
Receiver
Machine
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ETHERNET EQUIPMENT
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What to remember
Quiz
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What we're going to
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Communicating architectures in
Schneider electrical distribution
Ethernet equipment
Ethernet: TCP and IP protocol
Modbus protocol
Communication between machines
Items used for communication
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- router to connect 2 networks
Receiver
Network
Router
Router
Sub-network
Router
Router
Router
BOTTLENECK!
Router
Router
Router
Router
Router
Router
Router
Sender
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- converters and gateways
Converter: changes the signal and/or medium
Gateway: changes the protocol
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- repeater and switch
Repeater: reformats the weakened signal
Switch:
Hub
transmits the message to the intended receiver
Messagefor
forPC
PCno.
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Message
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4
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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
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COMMUNICATING ARCHITECTURES IN
ELECTRICAL DISTRIBUTION
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What to remember
Quiz
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What we're going to
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Communicating architectures in
Schneider electrical distribution
Ethernet equipment
Ethernet: TCP and IP protocol
Modbus protocol
Communication between machines
Items used for communication
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- links
Serial link (COM port)
Network interface card
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- 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
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- 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
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QUIZ
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What to remember
Quiz
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design in progress
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E
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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
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What to remember
H
What to remember
Quiz
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F
design in progress
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D
C
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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
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