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Automation and Drives
Ethernet Basics
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Ethernet Basics
Ethernet <> Industrial Ethernet
PROFINET
< The open standard for Realtime Industrial Ethernet >
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
Ruud Welschen
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
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Automation and Drives
Ethernet Basics
History
EK2002
Introduction
Reference model
First Drawing by Bob Metcalfe
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
 1980 Digital, Intel and XEROX (DIX) publish the specification
of a network technology called Ethernet I
 IEEE 802.3 publishes the first standard that contains parts of
the DIX procedure in 1982
 1984: DIX passes Ethernet II, since Ethernet I and IEEE
802.3 were incompatible
 Today‘s components are based on IEEE 802.3
2
SIMATIC NET Networking for Industry
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Automation and Drives
Ethernet Basics
Ethernet in the ISO / OSI reference model
EK2002
Introduction
Reference model
CSMA/CD
Layer 7
Application
Collision
Layer 6
Presentation
Layer 5
Session
10Mbit/s Ethernet
Repeater
Transport
Bridge
Layer 4
100Mbit/s Ethernet
Layer 3
Network
Layer 2
Data Link
Layer 1
Physical
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
The Ethernet specification
encompasses Layers 1 and 2
of the reference model:
Data Link Layer:
 Logical Link Control (LLC)
 Connection to higher sub-layers
 Media Access Control MAC)
 Grouping of the data (into frames)
 Error checking (CRC)
 CSMA/CD
Physical Layer:
 Current, voltage
 Frequency
 Half/full duplex
 Physical features (cables,
connectors, etc.)
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Automation and Drives
Ethernet Basics
Ethernet in the ISO / OSI reference model
EK2002
Introduction
Reference model
CSMA/CD
Layer 7
Application
Collision
Layer 6
Presentation
10Mbit/s Ethernet
Layer 5
Session
Bridge
Layer 4
Transport
100Mbit/s Ethernet
Layer 3
Network
Layer 2
Data Link
Layer 1
Physical
Repeater
Switch
The TCP/IP specification
encompasses Layers 3 and 4
of the reference model:
Transport Layer:
 TCP transport of data
Network Layer:
 IP Find the way trough the net
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Ethernet Basics
Network access procedures CSMA/CD
EK2002
Introduction
CS - Carrier Sense
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
MA - Multiple Access
Bridge
100Mbit/s Ethernet
Switch
Router
CD - Collision Detection
Gateway
Gigabit Ethernet
Collision
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Ethernet Basics
Structuring of networks with repeaters
EK2002
Introduction
Collision domain
Reference model
CSMA/CD
Segment A
Segment B
7
7
6
6
Repeater
5
5
Bridge
4
4
3
3
2
2
Collision
10Mbit/s Ethernet
100Mbit/s Ethernet
Switch
Router
1
Repeater
Transmission medium
1
Transmission medium
Gateway
Gigabit Ethernet
Industrial Ethernet
Expansion:
4.5km 1)
Number of stations: 1024
Access procedure: CSMA/CD
1) In the 10 Mbit/s network
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Automation and Drives
Ethernet Basics
Structuring of networks with bridges
EK2002
Introduction
Collision domain
Collision domain
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Segment A
Segment B
7
7
6
6
5
5
4
4
3
3
2
Bridge
2
1
1
Transmission medium
Transmission medium
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
Expansion:
4.5km 1)
Number of stations: 1024
Access procedure: CSMA/CD
1) In the 10 Mbit/s network
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Automation and Drives
Ethernet Basics
3 routes to increased performance on the network
EK2002
Introduction
Reference model
CSMA/CD
Switching for parallel communication
Collision
10Mbit/s Ethernet
Full duplex for increasing data throughput
Repeater
Bridge
100Mbit/s Ethernet
100 Mbit/s for high-speed transport of the data
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Ethernet Basics
Why 100 Mbit/s ?
EK2002
Introduction
The 100 Mbit/s network
Reference model
CSMA/CD
High bandwidth guaranteed
Non-lag data traffic
100 Mbit/s
even in bursts of data traffic activity
(e.g. from workstation/server)
Collision
Increased data throughput
10Mbit/s Ethernet
Repeater
in the network
10 Mbit/s
Clean network:
Bridge
invalid data packages are minimized
t
100Mbit/s Ethernet
The 10 Mbit/s network
Switch
100 Mbit/s The Big Pipe!
Router
Gateway
10 Mbit/s
Gigabit Ethernet
Dt
t
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Ethernet Basics
Bridge/switch
EK2002
Introduction
Reference model
Bridge
Multiport-bridge
Switch
CSMA/CD
Collision
10Mbit/s Ethernet
RAM
RAM
CPU
CPU
CPU
CPU
RAM
Repeater
Bridge
CPU
CPU
CPU
CPU
CPU
CPU
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
 Differences in the internal architecture have decisive
influence on performance
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Automation and Drives
Ethernet Basics
Parallel networking
EK2002
Introduction
Reference model
CSMA/CD
Collision
Server
Segment B
10Mbit/s Ethernet
Switch
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Segment C
Gigabit Ethernet
Segment A
Industrial Ethernet
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Automation and Drives
Ethernet Basics
Shared LAN/switched LAN
EK2002
Introduction
LAN
Segment B
Reference model
CSMA/CD
LAN
Segment A
Segment B
Segment A
Collision
Segment D
10Mbit/s Ethernet
Repeater
Segment D
Data traffic
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Segment C
Segment C
Switched LAN
Shared LAN
Each individual segment has the full
performance/data rate
Simultaneous data traffic in several
segments; several message frames
Filtering:
Local data traffic remains local;
only selected data packets cross segment
boundaries
All nodes on the network share network
performance/data rate
All data packets go through all segments
Only one message frame on the network at
any one time
Collisions reduce the efficiency of the
network to approximately 40%
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Ethernet Basics
Full duplex and parallel networking
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
100 Mbit/s
Switch
Router
Gateway
Gigabit Ethernet
100 Mbit/s
100 Mbit/s
100 Mbit/s
Parallel networking:
Several frames
simultaneously
Full duplex:
Send and receive data
simultaneously
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Industrial Ethernet
Increase in performance
EK2002
Introduction
Reference model
Data throughput
CSMA/CD
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Network technology
Collision
100Mbit/s
switched
full duplex
200Mbit/s
100Mbit/s
switched
100Mbit/s
100Mbit/s
shared
10Mbit/s
switched
full duplex
10Mbit/s
switched
10Mbit/s
shared
40Mbit/s
*)
20Mbit/s
10Mbit/s
4Mbit/s
*)
Gigabit Ethernet
Industrial Ethernet
*) Effective data throughput because of collisions
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
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Automation and Drives
Ethernet Basics
Structuring of networks with routers
EK2002
Introduction
Reference model
CSMA/CD
IP subnet
IP subnet
Collision domain
Collision domain
Collision domain
Collision domain
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Segment A
Segment B
Segment C
Segment D
7
6
5
4
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
Bridge
Transmission medium
Transmission medium
Router
Transmission medium
Bridge
Transmission medium
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Ethernet Basics
Structuring of networks with routers
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Routers
 Coupling of subnets with identical protocols at the network level
(terminal device requires an IP address)
 Transport decision on Layer 3 (network address),
 Finding the optimal connection between two subnets
 Coupling via WAN
 Requirements: use of "routable" protocols
(active Layer 3; ISO protocol is not routable)
 Hierarchical structures possible through logical subnet
formation
Layer 3 switch
 An extremely fast router thanks to hardware support
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Ethernet Basics
What is Industrial Ethernet?
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
Basic idea
 Industrial Ethernet components are based on the familiar
IEEE Standards
 Supplementation of special features that are especially
important for industrial communication
 Designed for Industry
Components have been designed for harsh industrial
operation
100Mbit/s Ethernet
Switch
Router
Gateway
 Industrial Ethernet takes account of the differences in
marginal conditions between industrial environments and
the office world
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Ethernet Basics
Differences between office/industrial networks
EK2002
Introduction
Reference model
Feature
Availability
Industry
Extremely high requirements
Network downtimes < 500 ms
required to avoid plant
standstills
Office
Mid-range requirements
Network downtimes in the
seconds to minutes range
acceptable
Response
times
Guaranteed response times
Installation
By plant commissioning
personnel (semi-skilled
personnel)
Best-possible r. w/o guarantee
(already commenced low-priority
transfer is completed before
processing of a higher priority)
By specialist network personnel
Network
monitoring
Component part of plant
monitoring
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
By trained specialists
(network administrators)
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Automation and Drives
Ethernet Basics
Differences between office/industrial networks
EK2002
Introduction
Reference model
Feature
Used in
Industry
Local control cabinet
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Device
density
Topology
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
Network
modifications
DIN rail installation
24 V supply
0-60°C ambient temperature
Some vibration load
Low, switches with
fewer ports
Linear cabling
(optional ring) with higherlevel plant bus and control
room
Low number
Direct connection between
switches and terminal devices
Office
Separate floor distribution boxes
Planning and building measures
for network infrastructure
19” assembly
110 / 230 V supply
0-45°C
High, switches with
high number of ports
Star cabling
Structured
Floor, building, company site
High number
Wide-area infrastructure cabling
with patch panels and
connection sockets
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Automation and Drives
Clearly structured network topologies with Ethernet
EK2002
Introduction
Office (EN 50173)
Industry
Reference model
SDB
SDB
CSMA/CD
Collision
BDB
BDB
Site
BDB Building
BDB
10Mbit/s Ethernet
Repeater
FDB
FDB
FDB
FDB
Bridge
FDB
Floor,
hall
100Mbit/s Ethernet
MDB
Switch
MDB
Router
Gateway
DTE
DTE
DTE
DTE
Gigabit Ethernet
Industrial Ethernet
SDB = Site distriution board
BDB = Building distribution board
DTE = Data terminal
FDB = Floor distribution board
MDB = Machine distribution board
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Automation and Drives
Ethernet in automation
Line topology in production hall
EK2002
Introduction
Reference model
Industrial networking
– Line topology at cell and field level
CSMA/CD
SDB
Collision
10Mbit/s Ethernet
Repeater
BDB
Primary cabling
BDB
Bridge
Secondary cabling
Production hall
100Mbit/s Ethernet
Switch
Router
MDB
Tertiary
cabling
MDB
Tertiary
cabling
MDB
Tertiary
cabling
Gateway
Gigabit Ethernet
Industrial Ethernet
SDB = Site distribution board, BDB = Building distribution board;
MDB = Machine distribution board
Distribution boards are designed as switches or routers in full-duplex mode
SIMATIC NET Networking for Industry
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Automation and Drives
ELS TP 40
Electrical lean switch voor Ethernet
EK2002
Introduction
Overzicht
Reference model
Jargon
4-poort IE switch, met 2 integrale
FastConnect aansluitelementen voor 2 poorten.
(Automatische crossing)
CSMA/CD
Configuratie
Collision
Mobic
Ethernet I/O
10Mbit/s
Ethernet
Realisatie van low-cost Ethernet lineaire bus
topologie met 4-draads FastConnect twisted-pair
kabel.
Tot 100 meter per segement.
Repeater
Bridge
100Mbit/s Ethernet
Aansluiten tot 2 data terminal
devices of een data terminal device
met een programmeerapparaat d.m.v. RJ45
poorten.
Switch
Router
Gateway
Alle poorten geschikt 10/100 Mbit/s
autosensing/autonegotiation.
ELS voeding via externe voeding.
Gigabit Ethernet
Industrial Ethernet
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Automation and Drives
Lineaire topologie met de ELS TP40
EK2002
Introduction
Overzicht
Reference model
Jargon
CSMA/CD
Configuratie
PG koppeling
Collision
Mobic
Ethernet I/O
10Mbit/s
Ethernet
Verbinden van
terminal devices
of PG met TP
kabel tot 10 m.
Schakelkast
OSM TP40
Repeater
Bridge
100Mbit/s Ethernet
Switch
Fiberoptic
LAN
24V DC
24V DC
Router
Gateway
Gigabit Ethernet
IE FC TP kabel tot 100 m,
aan te sluiten d.m.v.
Isolatiedoordringingselement
Industrial Ethernet
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Automation and Drives
Industrial Ethernet
Designed for Industry
EK2002
Introduction
Reference model
CSMA/CD
Collision
Design
 Rugged full-metal housing
 Module design for DIN-rail mounting,
 Especially resistant to vibration
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Impervious to EMI
 Guarantees reliable data traffic even in environments subject
to electromagnetic interference
Switch
Router
Gateway
Gigabit Ethernet
Permanently secure connections
 Sub-D for Industrial twisted-pair
 RJ45 full-metal connectors with additional interlocking
 BFOC for fiber optic
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Industrial Ethernet
Designed for Industry
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
Diagnostics
 LEDs (link status, power, collisions, data)
 Signal contact
 Simple, low-cost monitoring and function control of the INCs
via a digital signal contact
 Integration of signals from the network into any available HMI
system (e.g. Win CC)
 No special monitoring software required
 No separate network management station required
 No special training required
 SNMP OPC server
 Web based management
 SNMP
 RMON
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Automation and Drives
Industrial Ethernet
Designed for Industry
EK2002
Introduction
Reference model
Wide temperature range
 00C to 60°C
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Network topologies
 Linear bus, star, tree
 Redundant electrical/optical ring
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
High level of availability
 High-speed media redundancy in millisecond range in
electrical/optical ring topologies (ESM/OSM)
 Redundant power supply:
safe low voltage 2 x 24 V DC for ELS, ESM, OSM
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Industrial Ethernet
Designed for Industry
EK2002
Introduction
Reference model
CSMA/CD
Spanning tree algorithm
(IEEE 802.1d)
High-speed redundancy
SIMATIC NET
Collision
12
12
10Mbit/s Ethernet
Repeater
Bridge
9
3
9
3
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
6
6
Network reconfiguration
> 30 seconds
Network
reconfiguration
< 0.3 seconds
Industrial Ethernet
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Automation and Drives
user interface on a view
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Industrial Communication
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
CP343-1Lean
 Preisgünstiger Ethernet Anschluss für SIMATIC
S7 300
 Einfachbreite Baugruppe spart Einbauplatz im
Rack und im Schaltschrank.
 Für PG-Betrieb sofort Einsatzbereit, da Vergabe
der IP-Adresse direkt aus der Projektierung
(DCP Protokoll lt. PROFINET Spezifikation V2).
 Baugruppentausch ohne PG durch
Configuration-Plug
CP443-1 Advanced
100Mbit/s Ethernet

Switch

Router

Gateway
Gigabit Ethernet


Industrial Ethernet


Aufbau kleiner lokaler Netzwerke über
integrierten 4-Port Switch
Zugriff auf Prozessinformationen mit
Standard-Webbrowser
Einfache webbasierte Diagnose auch ohne
STEP 7
Einfache universelle Kopplung über FTP
Filesystem als preisgünstiger
Massenspeicher
Übertragung von ereignisgesteuerten
Meldungen mit E-Mail
Baugruppentausch ohne PG durch
Configuration-Plug
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Automation and Drives
PROFINET
EK2002
Introduction
Reference model
CSMA/CD
Collision
IE/PB Link PN IO
 Proxy-Funktionalität
 Investitionsschutz durch Anbindung von
PROFIBUS Slaves an PROFINET IO
 S7-Routing für PG/OP-Kommunikation
 Netzübergang als DP-Master Klasse 2 / Vertikale Integration
10Mbit/s Ethernet
Repeater
Softnet PN IO
Bridge
 Software für PROFINET IO-Controller
mit OPC-Server und NCM PC
100Mbit/s Ethernet
Switch
Systemanschlüsse für SIMATIC S7
Router
 CP 343-1 und CP 443-1 Advanced mit PROFINET IO
und PROFINET CBA Funktionalität
Gateway
Gigabit Ethernet
SCALANCE X 200
Industrial Ethernet
 Industrielle Switches optimiert für den Einsatz mit PROFINET
 Einfache Diagnose und Administration durch Integration in
die SIMATIC Engineering Tools
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Automation and Drives
Praktijk
EK2002
Introduction
Overzicht
Reference model
Jargon
CSMA/CD
Configuratie
Collision
Mobic
Ethernet I/O
10Mbit/s
Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
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Automation and Drives
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
FastConnect RJ45 plug 180/90
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Simple connection technique
(insulation displacement contacts)
for 4-core copper twisted-pair
installation cables (100 Mbit/s)
Failsafe connections thanks to good
view of connection area
Industrialized design (rugged metal
housing, no loose parts)
Good EMI shielding and dispersion
(metal housing)
Integral strain relief for installation
cables
Additional strain relief of the plug
connector possible on the housing
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
FastConnect RJ45 Plug 180/90
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
PREPARE WIRE
BY STRIPPING ACCORDING
INSTRUCTION SHEET
WITH STRIPPING TOOL
AND OPEN PLUG.
STOPPING
POSITION
1
Repeater
INSERT WIRE
TOWARDS
STOPPING
POSITION.
Bridge
2
2
3
TERMINATE WIRE
BY PRESSING DOWN
PIVOT COVER.
100Mbit/s Ethernet
Switch
CLOSE UPPER SHIELDING COVER.
PRESS UPPER AND LOWER
SHIELDING COVER
TOWARDS EACH OTHER
Router
4
Gateway
Gigabit Ethernet
SHIELDING
COVER
5
LOCK PLUG AND ACTIVATE STRAIN
RELIEF BY TURNING LOCKING DEVICE
180° USING SCREW DRIVER OR SPANNER
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Industrial Ethernet FastConnect modular outlet
EK2002
Introduction
Reference model
Category 6 of the international cabling standards
ISO/IEC 11801 and EN 50173
CSMA/CD
Collision
RJ45 outlet for gigabit Ethernet
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
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Automation and Drives
Industrial Ethernet FastConnect Modular Outlet
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
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Automation and Drives
Industrial Ethernet FastConnect Modular Outlet
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
58
Automation and Drives
Industrial Ethernet FastConnect Modular Outlet
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
59
Automation and Drives
Industrial Ethernet FastConnect Modular Outlet
EK2002
Introduction
Reference model
Systemkonfiguration mit FC Modular Outlet 100 Mbit/s und 1000 Mbit/s
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
60
Automation and Drives
PROFINET
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
PROFINET - The Industrial Ethernet standard for automation
Data
IO
Motion
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
Safety
Process
61
Automation and Drives
PROFINET – the solution!
EK2002
Introduction
Reference model
CSMA/CD
PROFINET is the open Industrial Ethernet standard for
Automation
Collision
10Mbit/s Ethernet
PROFINET is based on Industrial Ethernet
Repeater
Bridge
PROFINET utilizes TCP/IP and IT-Standards
100Mbit/s Ethernet
Switch
Router
PROFINET is Real-Time Ethernet
Gateway
Gigabit Ethernet
Industrial Ethernet
PROFINET allows seamless integration
of fieldbus systems
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
62
Automation and Drives
Distributed Field Devices
EK2002
Introduction
Reference model
CSMA/CD
Process
Collision
10Mbit/s Ethernet
Safety
Real-time
communication
Repeater
Bridge
IT-Standards
& Security
Distributed
field devices
PROFINET
100Mbit/s Ethernet
Switch
Router
Network
Installation
Gateway
Distributed
Automation
Motion
Control
Gigabit Ethernet
Industrial Ethernet
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
63
Automation and Drives
Real-Time Communication
EK2002
Introduction
Reference model
Uniform communication und quick reaction times
CSMA/CD
 Simultaneous real-time and IT-service on one cable
Collision
 Scaleable real-time communication from non-critical time
applications up to high performance applications
10Mbit/s Ethernet
Repeater
Bridge
 Unlimited TCP/IP communication
Internet
100Mbit/s Ethernet
Factory Automation
Motion Control
Switch
PROFINET
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
100ms
10ms
IT-services
Process data
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
<1ms
TCP/IP
Real-Time
64
Automation and Drives
real-time communication with PROFINET
EK2002
Introduction
Reference model
1 Open Channel for
CSMA/CD
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
e.g.
 HTTP
 SNMP
 DHCP...
PROFInet applications
Standard data
Real-time data
TCP
IP
2
Switch
Router
TCP/UDP/IP

1
Real-time
Collision
IT applications
SRT
Ethernet


2

Gateway

Gigabit Ethernet
Device parameterisation
and configuration
Reading of diagnostics
data
Negotiation of the
communication channel
for user data
Real Time Channel for
SRT
High-performance cyclic
data transmission
Event-controlled signals
Industrial Ethernet
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
65
Automation and Drives
Configuration in STEP7
EK2002
Introduction
Reference model
Same configuration view for PROFIBUS and PROFINET
CSMA/CD
Collision
STEP7 / HW-Config
10Mbit/s Ethernet
GSDML
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
GSD + XML = GSDML
Gateway
Gigabit Ethernet
Industrial Ethernet
Quick start in PROFINET through the use
of existing user know-how
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
66
Automation and Drives
PROFIBUS  PROFINET
EK2002
Introduction
Reference model
CSMA/CD
Configuring/programming
 Same user views for IOs
 Hardware configuring
Collision
 Diagnostics
10Mbit/s Ethernet
 Program creation
Repeater
Bridge
100Mbit/s Ethernet
Hardware
 Same IO modules alternatively behind
 PROFIBUS
Switch
Router
Gateway
 PROFINET
 PROFIBUS devices are transparent behind the IE/PB link on
PROFINET
Gigabit Ethernet
Industrial Ethernet
Same user handling, that is, existing knowledge/experience can be
used
Existing investment can be integrated
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
67
Automation and Drives
Scalance X 108
EK2002
Introduction
Reference model
Scalance X 108
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
• 8-port switch with diagnostics via LED
• Establishment of low-cost copper
star topologies
• Connection of up to 8 terminal devices
via RJ45 sockets
• Rugged IP20 metal housing for direct
wall or DIN rail mounting
• Redundant voltage supply
• Integral signal contact
• S7 300 design concept
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
68
Automation and Drives
Network management through
SNMP (Simple Network Management Protocol)
EK2002
Introduction
Reference model
Manager
CSMA/CD
Collision
Polling
10Mbit/s Ethernet
Repeater
Trap
Bridge
MIB
100Mbit/s Ethernet
Switch
MIB
Router
Gateway
Event-controlled through agent
Gigabit Ethernet
Agent
Industrial Ethernet
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
69
Automation and Drives
Industrial Wireless LAN
EK2002
Introduction
Reference model
SCALANCE W
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet




Zuverlässig durch Redundanzfunktion und Datenratenreservierung
Sicher durch neueste Verschlüsselungsstandards
Industriegerecht durch robustes Gehäusedesign (IP 65)
Outdoorfähig durch Temperaturbereich von –20°C bis +60°C selbst bei Betauung
Industrial Ethernet
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
70
Automation and Drives
Thanks for your attention.
EK2002
Introduction
Reference model
CSMA/CD
Collision
10Mbit/s Ethernet
Repeater
Bridge
100Mbit/s Ethernet
Switch
Router
Gateway
Gigabit Ethernet
Industrial Ethernet
Ruud Welschen
SIMATIC NET Networking for Industry
(C) Siemens AG, 1999-2003, Automation & Drives
75