The Ethernet Fieldbus.

EtherCAT - The Ethernet Fieldbus.

EtherCAT is: • EtherCAT is real time down to the I/O level

- Faster
• No underlying sub-systems any more
- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT - The Ethernet Fieldbus.

EtherCAT is: • Other technologies need local I/O cycles + gateways

- Faster
- Synchronization
RAM
- Industrial Ethernet

Master for Local

Extension Bus
- Flexible Topology

Controller
Fieldbus
Driver
- Easier to configure CPU
- Cost effective

I/O

I/O

I/O

I/O
- Easier to implement
- Well proven Flash

- Open
- Conformance
- Safety
- Redundancy RAM
- Versatile
Controller
Fieldbus
Driver

I/O
CPU

Flash

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT - The Ethernet Fieldbus.

EtherCAT is: • EtherCAT: Real time down to the I/O

- Faster
- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure

Controller

Controller

Controller

Controller

Controller
EtherCAT

EtherCAT

EtherCAT

EtherCAT

EtherCAT
Driver
- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT - The Ethernet Fieldbus.

EtherCAT is: • EtherCAT is real time down to the I/O level

- Faster
• No underlying sub-systems any more
- Synchronization
- Industrial Ethernet
• No delays in gateways
- Flexible Topology • In- and outputs, sensors, actuators, drives, displays:
- Easier to configure everything in one system!
- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is faster

EtherCAT is: • Transmission Rate:

- Faster – 2 x 100 Mbit/s (Fast Ethernet, Full-Duplex)
- Synchronization
- Industrial Ethernet
- Flexible Topology • Update Times:
- Easier to configure – 256 digital I/O in 11 µs
- Cost effective
– 1000 digital I/O distributed to 100 nodes in 30 µs = 0.03 ms
- Easier to implement
– 200 analog I/O (16 bit) in 50 µs, 20 kHz Sampling Rate
- Well proven
- Open – 100 Servo-Axis (each 8 Byte In + Out) in 100 µs = 0.1 ms
- Conformance – 12000 digital I/O in 350 µs
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is faster

EtherCAT is: • Bandwidth Usage of Ethernet for I/O and Drives:

- Faster – Ethernet Frame: ≥ 84 Bytes
- Synchronization incl. Preamble + IPG (interpacket gap)
- Industrial Ethernet
- Flexible Topology Data pay load:
- Easier to configure e.g. 2 Bit..6 Byte
22 Bytes 4 Bytes 12 Bytes
- Cost effective
- Easier to implement Ethernet Header Data: ≥46 Bytes CRC IPG

- Well proven Node

Request with output data
- Open Master I/O reaction
Response with input data time
- Conformance
- Safety Ethernet Header Data: ≥46 Bytes CRC IPG

- Redundancy
- Versatile

– with 4 Byte input + 4 Byte output per node:

• 4,75% application data ratio at 0 µs reaction time/node
• 1,9% application data ratio at 10 µs reaction time/node

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is faster

EtherCAT is: • Bandwidth Usage Comparison:

- Faster – At 4 Byte user data per node:
- Synchronization
• Polling / Timeslicing: ~ 2..5 %
- Industrial Ethernet
– From 2 Bit user data per node:
- Flexible Topology
• EtherCAT: ~ 80..97 % (Full Duplex, 2 x 100 MBit/s)
- Easier to configure
- Cost effective
- Easier to implement 100

- Well proven 90

80
- Open
70
- Conformance
60
- Safety
50
- Redundancy
40
- Versatile
30

20

10

0
Polling / EtherCAT
Timeslicing

October 2012 © EtherCAT Technology Group, 2012

 Functional Principle: Ethernet „on the fly“

EtherCAT is:
- Faster
- Synchronization
- Industrial Ethernet
- Flexible Topology
Car
- Easier to configure 27

- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
• Analogy Fast Train:
- Redundancy – “Train” (Ethernet Frame) does not stop
- Versatile – Even when watching “Train” through narrow window one
sees the entire “Train”
– “Car” (Sub-Telegram) has variable length
– One can “extract” or “insert” single “persons” (Bits) or entire
“groups” (Bytes) – even multiple groups per train

October 2012 © EtherCAT Technology Group, 2012

 Functional Principle: Ethernet “on the Fly“

EtherCAT is:
- Faster
- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

• Efficient: Typically only one Ethernet Frame per Cycle

• Ideal Bandwidth Utilization for maximum Performance
October 2012 © EtherCAT Technology Group, 2012
 Functional Principle: Ethernet „on the fly“

EtherCAT is:
- Faster Slave Device Slave Device
- Synchronization
- Industrial Ethernet
EtherCAT Slave EtherCAT Slave
- Flexible Topology Controller Controller
- Easier to configure
- Cost effective
- Easier to implement
- Well proven
- Open
• Process data is extracted and inserted on the fly:
- Conformance – Process data size per slave almost unlimited
- Safety (1 Bit…60 Kbyte, if needed using several frames)
- Redundancy – Compilation of process data can change in each cycle, e.g.
- Versatile ultra short cycle time for axis, and longer cycles for I/O
update possible
– in addition asynchronous, event triggered communication

October 2012 © EtherCAT Technology Group, 2012

 Functional Principle: Ethernet „on the fly“

EtherCAT is:
- Faster Master

- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement

HDR 2

HDR 2
HDR 1
Ethernet Header ECAT HDR PLC Data 1 NC Data PLC Data 2 CRC
- Well proven
- Open
- Conformance
• Minimal protocol overhead via implicit addressing
- Safety
– Optimized telegram structure for decentralized I/O
- Redundancy
- Versatile
– Communication completely in hardware: maximum
(+ predictable!) performance
– No switches needed if only EtherCAT devices in the network
– Outstanding diagnostic features
– Ethernet-compatibility maintained

October 2012 © EtherCAT Technology Group, 2012

 ‘Slow’ Control Systems benefit, too

EtherCAT is: Reaction time with legacy fieldbus I/O:

- Faster
- Synchronization
- Industrial Ethernet
I PLC Task O I PLC Task O I PLC Task O I PLC Task O I PLC Task
- Flexible Topology
- Easier to configure
- Cost effective Tmpd
- Easier to implement
- Well proven
- Open
Bus Cycle Bus Cycle Bus Cycle Bus Cycle Bus Cycle Bus Cycle Bus Cycle
- Conformance
- Safety
TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O
- Redundancy
best case reaction time
- Versatile
worst case reaction time

Input Input Output

(worst case) (best case)

Tmpd: Master Processing Delay

TI/O: Local I/O Update Time
(local Extension Bus + Firmware)

October 2012 © EtherCAT Technology Group, 2012

 ‘Slow’ Control Systems benefit, too

EtherCAT is: System Architecture with EtherCAT:

- Faster
- Synchronization
- Industrial Ethernet
I PLC Task O I PLC Task O I PLC Task O I PLC Task O I PLC Task
- Flexible Topology
- Easier to configure no dedicated Master Device any more
- Cost effective Tmpd
- Easier to implement
- Well proven
- Open
Bus Cycle Bus Cycle Bus Cycle Bus Cycle Bus Cycle Bus Cycle Bus Cycle
- Conformance
- Safety
TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O TI/O
- Redundancy
on underlying extension bus any more
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 ‘Slow’ Control Systems benefit, too

EtherCAT is: System Architecture with EtherCAT:

- Faster
- Synchronization
- Industrial Ethernet
I PLC Task O I PLC Task O I PLC Task O I PLC Task O I PLC Task
- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
TDMA = Time for Data Transfer
- Safety TDMA (MAC) from/to Ethernet Controller via
- Redundancy
Direct Memory Access:
- Versatile neglectible

TEtherCAT Cycle

October 2012 © EtherCAT Technology Group, 2012

 ‘Slow’ Control Systems benefit, too

EtherCAT is: Reaction Time with EtherCAT:

- Faster
- Synchronization
- Industrial Ethernet
I PLC Task O I PLC Task O I PLC Task O I PLC Task O I PLC Task
- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement best case
worst case
- Well proven
- Open
EtherCAT Input Input Output
- Conformance (worst case) (best case)
Bus Cycle
- Safety
- Redundancy
- Versatile
• Reaction time reduced significantly with the same controller
performance
• no underlying local I/O cycles and extension bus delays any more
• Due to the very simple protocol no dedicated master systems
(e.g. plug-in cards) required

October 2012 © EtherCAT Technology Group, 2012

 Fieldbus: requires Mapping in Control System

EtherCAT is: • Traditional fieldbus system generate physical process image

- Faster
• This has to be mapped to logical process image(s)
- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure Control System, e.g. IPC
Feldbus Scanner/
node 1
- Cost effective
DPRAM Master
logical process images

- Easier to implement
node 1
- Well proven Data n

- Open PLC Data

node 2 node 2
- Conformance
NC Data
- Safety
node 3
- Redundancy
node 4
- Versatile node 3

Mapping

node 4

October 2012 © EtherCAT Technology Group, 2012

 Fieldbus: requires Mapping in Control System

EtherCAT is: • The same applies to system with just one process image
- Faster
• Resorting of process data (“Mapping”) is required, too
- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure Control System, e.g. PLC
Feldbus Scanner/
node 1
- Cost effective
DPRAM Master
- Easier to implement
logical process image

node 1
- Well proven
- Open node 2 node 2
- Conformance
- Safety
node 3
- Redundancy
node 4
- Versatile node 3

Mapping

node 4

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT: Mapping moved into Slave Devices

EtherCAT is: Master

- Faster
- Synchronization
- Industrial Ethernet
logical process images up to 4 GByte
- Flexible Topology
- Easier to configure
- Cost effective

HDR 1

HDR 2

HDR 3
ECAT
Ethernet Header
HDR PLC Data NC Data Data n Ethernet
- Easier to implement
- Well proven Data n

- Open PLC Data

- Conformance
- Safety NC Data
Datagram 1 Datagram 2 Datagram n
- Redundancy
- Versatile

• Control System is unburdened, master becomes very

simple
• Data is transmitted according to the application
requirements: extremely fast, flexibly and efficiently
October 2012 © EtherCAT Technology Group, 2012
 EtherCAT Propagation Delay Measurement (1)

EtherCAT is: • EtherCAT Node measures time difference between

- Faster  leaving and returning frame
- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement
EtherCAT Frame
- Well proven Processing Direction
- Open EtherCAT Frame
- Conformance Forwarding Direction

- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT Propagation Delay Measurement (2)

EtherCAT is: • EtherCAT Node measures time difference between

- Faster  leaving and returning frame
- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure
IPC
Master
- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 Distributed Clocks

EtherCAT is: • Precise Synchronization (<< 1 µs!) by exact adjustment

- Faster  of Distributed Clocks
- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure
M
S
IPC
Master ∆t
- Cost effective
- Easier to implement
- Well proven S
S
- Open
- Conformance
- Safety S S S S
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 Distributed Clocks

EtherCAT is: • Long Term Scope View of two separated devices

- Faster  • 300 Nodes in between, 120m Cable Length
- Synchronization
- Industrial Ethernet
- Flexible Topology
Interrupt
- Easier to configure
Node 1
- Cost effective
- Easier to implement
- Well proven Simultaneousness:
- Open
~15 ns

- Conformance Jitter: ~ +/-20ns

- Safety
- Redundancy
- Versatile
Interrupt
Node 300

October 2012 © EtherCAT Technology Group, 2012

 Synchronization of multiple Networks

EtherCAT is: • EtherCAT networks can be coupled via EtherCAT Bridge

- Faster  • Bridge provides hardware synchronization of several networks
- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure
M1
- Cost effective
- Easier to implement
- Well proven
M2
- Open
- Conformance
- Safety
- Redundancy M3
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 Synchronization of multiple Networks

EtherCAT is: • EtherCAT networks can be coupled via EtherCAT Bridge

- Faster  • Bridge provides hardware synchronization of several networks
- Synchronization
- Industrial Ethernet
- Flexible Topology
- Easier to configure
M1
- Cost effective
- Easier to implement
- Well proven
M2
- Open
- Conformance
- Safety
- Redundancy M3
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is Industrial Ethernet!

EtherCAT is: • EtherCAT uses Standard Ethernet Frames: IEEE 802.3

- Faster  • Alternatively via UDP/IP (if IP Routing is needed)
- Synchronization 
- Industrial Ethernet
• no shortened frames
- Flexible Topology
MTU: max. 1514 Byte
- Easier to configure
- Cost effective
48 Bit 48 Bit 16 Bit 16 Bit 48 -1498 Byte 32 Bit
- Easier to implement
Destination Source EtherType Header EtherCAT Datagrams CRC
- Well proven
- Open Embedded in Standard Ethernet
Frame, EtherType 0x88A4 1…n EtherCAT
- Conformance Datagrams

- Safety
160 Bit 64 Bit 16 Bit 48 -1470 Byte
- Redundancy
Ethernet H. IP Header UDP H. Header EtherCAT Datagrams CRC
- Versatile
Or: via UDP/IP
UDP Port 0x88A4 11 Bit 1 Bit 4 Bit
Length Res. Type

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is Industrial Ethernet!

EtherCAT is: • fully transparent for TCP/IP

- Faster  • all Internet technologies (HTTP, FTP, Webserver,…)
- Synchronization  available without restricting the real time capabilities!
- Industrial Ethernet
- Flexible Topology
- Easier to configure EtherCAT Slave Device
- Cost effective
- Easier to implement Ethernet Real Time
Standard
- Well proven Application Application
TCP/IP
- Open Stack
- Conformance
TCP UDP

- Safety Acyclic
IP
- Redundancy Data
- Versatile
Mailbox Process Data
EtherCAT MAC / DLL

Ethernet PHY Ethernet PHY

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is Industrial Ethernet!

EtherCAT is: • Any Ethernet Device can be connected to Switchport

- Faster  • Access to Webserver with Standard Browser
- Synchronization 
- Industrial Ethernet
- Flexible Topology Webserver
Virtual Ethernet
- Easier to configure Switch
- Cost effective Functionality
Switchport
Master
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is Industrial Ethernet!

EtherCAT is: • Virtual Ethernet Switch routes any Ethernet Frame

- Faster  • From inside as well as from outside the segment
- Synchronization 
- Industrial Ethernet
- Flexible Topology
Virtual Ethernet
- Easier to configure
Switch
- Cost effective Functionality Switchport
Master
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

Ethernet
Switch

October 2012 © EtherCAT Technology Group, 2012

 Switchport: Any Ethernet Protocol

EtherCAT is: • Interface to any Ethernet Device or Network

- Faster  • Ethernet Frames are inserted into EtherCAT Protocol:
- Synchronization 
- Industrial Ethernet
– ‘Ethernet over EtherCAT’
- Flexible Topology
- Easier to configure
EtherCAT Switchport
- Cost effective
- Easier to implement Ethernet MAC PHY
- Well proven
- Open
RX1 RX RX3
RX2TX RX4
- Conformance µC
- Safety Fragmentation
- Redundancy
- Versatile Mailbox Process Data
PHY EtherCAT MAC / DLL PHY
TX2
TX3
TX1 TX1
TX3
TX2

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is Industrial Ethernet!

EtherCAT is: • Master TCP/IP Stack can provide remote Mailbox access
- Faster  via TCP/IP to any EtherCAT device – ideal for tools.
- Synchronization  • No need for TCP/IP stack in each device: cost reduction
- Industrial Ethernet
- Flexible Topology
Master TCP/IP
- Easier to configure Stack provides Online access to
access to Mailbox device
- Cost effective
protocol
- Easier to implement Switchport
Master
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 Vertical Integration (1)

EtherCAT is: …via Switchport

- Faster 
- Synchronization 
- Industrial Ethernet Master

- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement
- Well proven Switchport

- Open
- Conformance
- Safety
+ any Ethernet Protocol can be used
- Redundancy + requires only one Ethernet Port (at IPC/Controller)
- Versatile
+ EtherCAT performance is not limited

October 2012 © EtherCAT Technology Group, 2012

 Vertical Integration (2)

EtherCAT is: ...via 2. Ethernet Port

- Faster 
- Synchronization 
- Industrial Ethernet Master

- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement
2nd Ethernet
- Well proven Port
- Open
- Conformance
- Safety
+ any Ethernet Protocol can be used
- Redundancy + EtherCAT performance is not limited
- Versatile
- but: requires second Ethernet Port (at IPC/Controller)

October 2012 © EtherCAT Technology Group, 2012

 Vertical Integration (3)

EtherCAT is: …via Switch

- Faster 
- Synchronization 
- Industrial Ethernet Master

- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement
Ethernet
- Well proven Switch
- Open
- Conformance
- Safety
+ any Ethernet Protocol can be used
- Redundancy + requires only one Ethernet Port (at IPC/Controller)
- Versatile
- but: performance reduced by switch delay (and generic
Ethernet traffic)

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT wiring is more flexible

EtherCAT is: • Standard Ethernet Topology: Star

- Faster 
- Synchronization 
- Industrial Ethernet 
- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT wiring is more flexible

EtherCAT is: • Flexible topologies – arbitrarily extendable

- Faster  – Topology variants like Line, Star, Tree, Daisy Chain
- Synchronization  + Drop Lines possible; can be used in any combination!
- Industrial Ethernet 
– Up to 65.535 nodes for each EtherCAT segment
- Flexible Topology
- Easier to configure
– Standard Ethernet cabling
Line
- Cost effective
- Easier to implement
- Well proven
- Open
Master
- Conformance
- Safety
- Redundancy
- Versatile

Drop Line
Star/Tree

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT wiring is more flexible

ERP
EtherCAT is: EtherCAT Automation Protocol
- Faster  HMI
- Synchronization  (e.g OPC,
Thin Client) Switch
HMI

- Industrial Ethernet 
- Flexible Topology
- Easier to configure
EtherCAT EtherCAT EtherCAT
- Cost effective Master Master Master
- Easier to implement
- Well proven Slave Slave Slave Slave Slave
- Open Device Device Device Device Device

- Conformance
Slave Slave Slave Slave Switch- EtherCAT EtherCAT
- Safety Device Device Device Device port Master Master
- Redundancy
Slave redundancy Slave Slave Slave
(optional) Slave
- Versatile Device Device Device Device Device

Slave Slave Slave Slave Slave

Device Device Device Device Device

Slave Slave Slave Slave Slave

Device Device Device Device Device

EtherCAT Device Protocol processed on the fly

October 2012 © EtherCAT Technology Group, 2012
 EtherCAT Extra Large System Test

EtherCAT is:
- Faster 
- Synchronization 
- Industrial Ethernet 
- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

10.056
EtherCAT Nodes

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT wiring is more flexible

EtherCAT is: • Ethernet Signal Variants of EtherCAT:

- Faster  – 100BASE-TX (up to 100 m between 2 nodes)
- Synchronization  – 100BASE-FX (up to 20 km between 2 nodes (single mode fibre) )
- Industrial Ethernet 
- Flexible Topology
– LVDS (for modular devices)
- Easier to configure LVDS*
- Cost effective 100 m

- Easier to implement
- Well proven 20 km
- Open
Master
- Conformance
- Safety
- Redundancy Ethernet on Ethernet on
100BASE-TX 100BASE-FX
- Versatile up to 100 m (fibre optics)
with transformer up to 20 km
coupling Ethernet on LVDS* physical layer:
for modular devices

• Any number of physical layer changes allowed

*LVDS: Low Voltage Differential Signaling according to ANSI/TIA/EIA-644,
also used in IEEE 802.3ae (10 Gigabit Ethernet)
October 2012 © EtherCAT Technology Group, 2012
 EtherCAT instead of PCI

EtherCAT is: • Protection of your investment

- Faster  • smooth migration path from legacy fieldbus to EtherCAT
- Synchronization  • seamless integration of existing fieldbus devices, e.g.:
- Industrial Ethernet  – AS-Interface
- Flexible Topology – BACnet MS/TP
- Easier to configure – CANopen
- Cost effective – CC-Link
- Easier to implement – ControlNet
- Well proven – DeviceNet
- Open – Ethernet/IP
- Conformance – FIPIO
- Safety – Interbus
- Redundancy – IO-Link
- Versatile – Lightbus
– LonWorks
– Modbus Plus, RTU, TCP
– PROFIBUS
– PROFINET IO
– …
• maximum system expandability with low cost fieldbus gateways
October 2012 © EtherCAT Technology Group, 2012
 EtherCAT instead of PCI

EtherCAT is: • Update Times:

- Faster  – Process image update-time
- Synchronization  via PCI (500 Bytes input and output data each): 400 µs
- Industrial Ethernet 
– Process image update-time
- Flexible Topology
via EtherCAT (1.500 Bytes input and output data): 150 µs
- Easier to configure
- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT instead of PCI

EtherCAT is: • No Slots in Control System (IPC or PLC) required any

- Faster  more
- Synchronization  • Nevertheless maximum expandability
- Industrial Ethernet 
- Flexible Topology
- Easier to configure
- Cost effective
- Easier to implement
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

EtherCAT

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is easier to configure

EtherCAT is:
- Faster
• Topology:

- Synchronization  • Automatic Topology Expected/Actual Comparison
- Industrial Ethernet 
- Flexible Topology  • Diagnosis: Every node
- Easier to configure constantly
- Cost effective
• Diagnosis with exact Localization monitors
checksum
- Easier to implement
- Well proven M
- Open
Bit errors are
- Conformance detected and
- Safety localized
- Redundancy
- Versatile

Even Timing Errors (e.g. Time Window for Actual Values

missed) are detected and stored locally in the chip

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is easier to configure

EtherCAT is: • Network planning:

- Faster  – Performance independent of:
- Synchronization 
- Industrial Ethernet  • Slave implementation
- Flexible Topology  (no Stacks involved in Process Data Communication)
- Easier to configure • Topology (no Switches/Hubs)
• Addressing
- Cost effective
- Easier to implement
- Well proven – No manual address setting required
- Open – No IP- or MAC-Address Handling Required
- Conformance
- Safety
– Addresses can be assigned automatically
- Redundancy – Addresses can be kept
- Versatile • no new addressing if nodes are added

October 2012 © EtherCAT Technology Group, 2012

 Configuration: Classical Fieldbus Systems

EtherCAT is: 1. Select + Plan Topology according to System Limitations

- Faster 2. Configure Node Address at Slave Device
- Synchronization
3. Select and Configure Baudrate,
- Industrial Ethernet
- Flexible Topology
depending on:
- Easier to configure
- Network Length + Topology
- Cost effective - EMI-Environment
- Easier to implement - Application Requirements
- Well proven 4. Select Device Description Files (GSD, EDS) in
- Open
Configuration Tool
- Conformance
- Safety
5. Select and Configure Communication Parameters,
- Redundancy such as:
- Versatile - cyclic Polling
- event driven Communication
- synchronized or free running
6. Allocate physical to logical Process Image (Mapping)

October 2012 © EtherCAT Technology Group, 2012

 Configuration: EtherCAT

EtherCAT is: 1. Select + Plan Topology according to System Limitations

- Faster 2. Configure Node Address at Slave Device
- Synchronization
3. Select and Configure Baudrate,
- Industrial Ethernet
- Flexible Topology
depending on:
- Easier to configure
- Network Length + Topology
- Cost effective - EMI-Environment
- Easier to implement - Application Requirements
- Well proven 4. Select Device Description Files (GSD, EDS) in
- Open
Configuration Tool
- Conformance
- Safety
5. Select and Configure Communication Parameters,
- Redundancy such as:
- Versatile - cyclic Polling
- event driven Communication
- synchronized or free running
6. Allocate physical to logical Process Image (Mapping)

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is lower costs (1): Engineering

EtherCAT is: • Less effort for Network planning:

- Faster  – Simplified configuration
- Synchronization 
- Industrial Ethernet  – Default settings will work, no network tuning
- Flexible Topology
- Easier to configure
 • Improved Diagnosis:

- Cost effective – Faster error handling leads to less downtime
- Easier to implement
• Faster Setup:
- Well proven
- Open – No address setting required
- Conformance
• Implementation / Tools:
- Safety
- Redundancy – Standard Network Monitor Tools,
- Versatile e.g. MS Network Monitor or Wireshark: free of charge
– Parser Software: free of charge

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is lower costs (2): Hardware

EtherCAT is: • Master:

- Faster  – no dedicated plug in card (co-processor)
- Synchronization 
- Industrial Ethernet  – on-board Ethernet Port is fine
- Flexible Topology 
- Easier to configure 
- Cost effective • Slave:
- Easier to implement
– low cost Slave Controller
- Well proven
32 Bit
- Open
• FPGA or ASIC
µC
- Conformance – for simple devices: no µC needed
- Safety
– no powerful µC needed
- Redundancy
- Versatile

• Infrastructure:
– no Switches/Hubs required
– Standard Ethernet Cabling + Connectors

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is easier to implement

EtherCAT is: • Slave Implementation:

- Faster  – All time critical functions implemented on ASIC or FPGA
- Synchronization  • ESC handles Real-time Protocol in Hardware
- Industrial Ethernet 
– Integrated Communication State Machine
- Flexible Topology 
- Easier to configure – Network Performance independent of

- Cost effective  • Slave-µC Performance
- Easier to implement • Protocol Stack
- Well proven – For usage with or without µC (Host CPU)
- Open – Integrated DPRAM (1…8kByte)
- Conformance
– Integrated Distributed Clock Handling
- Safety
- Redundancy
– Ultra precise interrupts to µC
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is easier to implement: Master

EtherCAT is: • Master Implementation:

- Faster  – e.g. with Master Sample Code (Source)
- Synchronization  – EtherCAT Configuration Tool
- Industrial Ethernet 
– XML Data format of ESI and ENI
- Flexible Topology 
- Easier to configure  Process Data (PD) Image
description
- Cost effective  EtherCAT
Application
Realtime
- Easier to implement Configuration Tool

- Well proven
Process Data Mailbox
Parser
- Open .xml Image Services
.xml
.xml .xml

- Conformance init req. resp.

EtherCAT Slave EtherCAT Network cyclic
acyclic

EtherCAT Master
- Safety Information (ESI) Files Information (ENI) File commands
commands
- Redundancy
EtherCAT Master Driver
- Versatile optional; for online functionality
(e.g. scanning for devices) Realtime

Ethernet Frames

Network Driver

Standard Ethernet MAC

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is well proven

EtherCAT is: In Series Production since 2003, outstanding Product Variety

- Faster 
- Synchronization 
- Industrial Ethernet 
- Flexible Topology 
- Easier to configure 
- Cost effective 
- Easier to implement 
- Well proven
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is an open technology

EtherCAT is: • Protocol is disclosed completely:

- Faster  – EtherCAT is IEC, ISO and SEMI Standard
- Synchronization 
- Industrial Ethernet 
(IEC 61158, IEC 61784, ISO 15745, SEMI E54.20)
- Flexible Topology 
- Easier to configure 
- Cost effective 
- Easier to implement 
- Well proven 
- Open • Slave Controller from several sources available
- Conformance
- Safety
• Slave Controller provides interoperability
- Redundancy • ETG organizes Interoperabilitly Testing
(„Plug Fests“), Workshops and Seminars
- Versatile

• Conformance Testing + Certificates

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT Master OS Technology Variety

EtherCAT is: • EtherCAT Masters implemented on wide range of RTOS*

– eCos
- Faster  – Integrity
– INtime
- Synchronization  – Linux with RT-Preempt
- Industrial Ethernet  – Microware® OS-9
– MQXTM
- Flexible Topology  – On Time RTOS-32
– Oracle® Solaris (SunOS)
- Easier to configure  – PikeOS
- Cost effective  – Proconos OS
– QNX®
- Easier to implement  – Real-Time JavaTM
- Well proven – RMOS
 – RTKernel
- Open – RT-Linux
– RTX
- Conformance – RTXC
- Safety – RTAI Linux
– SCALE-RT
- Redundancy – TKernel
– VxWin® + CeWin®+ RTOS32Win®+LxWin
- Versatile – VxWorks®
– Windows® CE
– Windows Embedded mit IntervalZero RTX
– Windows® XP/XPE mit CoDeSys SP RTE
– Windows® XP/XPE mit TwinCAT RT-Extension
– Windows® Vista, 7
– XOberon
– XENOMAI Linux
– µC/OS-IITM

October 2012 © EtherCAT Technology Group, 2012 *as of July 2012

 Typical EtherCAT Device Architecture

EtherCAT is:
- Faster  EtherCAT Device
- Synchronization 
HTTP, FTP,… DEVICE Application
- Industrial Ethernet  optional
- Flexible Topology  Device Profile
Device Profile
Definitions
Definitions
- Easier to configure 
- Cost effective 
- Easier to implement  TCP UDP Parameters Cyclic
Synchronous
- Well proven  IP Asynchronous
Communication
Communication
- Open (Implicit
(Explicit
Ethernet Addressing)
- Conformance Addressing)
- Safety
EoE CoE/SoE CoE/SoE
- Redundancy
Mailbox Process Data
- Versatile
EtherCAT Slave Controller

Ethernet Physical Layer

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT is an open technology

EtherCAT is:
- Faster 
- Synchronization 
- Industrial Ethernet 
- Flexible Topology  • Foundation: November 2003
- Easier to configure  • Tasks: Support, Advancement and Promotion of
- Cost effective 
EtherCAT
- Easier to implement 
- Well proven 
• The worlds largest fieldbus organization
- Open • More than 2100* member companies from
- Conformance 55 countries in 6 continents:
- Safety
– Device Manufacturers
- Redundancy
- Versatile
– End Users
– Technology Providers
• Membership is open to everybody

*as of Sept 2012

October 2012 © EtherCAT Technology Group, 2012
 ETG Team Worldwide
Dr. Guido Andrea Bock, Geng Cheng, Bin (Beryl) Fan, Oliver Fels, Florian Hammel, Florian Häfele, Rainer Hoffmann, Liliane Hügel,
Beckmann, GER GER CHN CHN GER GER GER GER GER
EtherCAT is:
- Faster 
- Synchronization 
- Industrial Ethernet 
- Flexible Topology 
- Easier to configure 
- Cost effective 
- Easier to implement 
- Well proven  Dr. YanQiang Liu, Prof Dr. Yong-Seon Masanori Obata, Thomas Rettig, Martin Rostan, Makiko Hori, Joseph P. Stubbs, Fengjiao (Jojo) Fu Key Yoo,
CHN Moon, KOR JPN GER GER JPN USA CHN KOR
- Open
- Conformance
- Safety
- Redundancy
- Versatile ETG Office
Japan
ETG Headquarters Yokohama
ETG Office Germany ETG Office
North America Nuremberg ETG Office
Seattle, WA
China
Beijing Korea
Seoul

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT Technology Group Structure

EtherCAT is:
- Faster 
- Synchronization 
- Industrial Ethernet 
- Flexible Topology 
- Easier to configure 
- Cost effective 
- Easier to implement 
- Well proven 
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 ETG Membership Development

As of August 31st, 2012: 2105 Members

EtherCAT is:
- Faster 
- Synchronization  2000
- Industrial Ethernet 
- Flexible Topology  August 2011 – August 2012:
- Easier to configure  + 380
1500
- Cost effective 
- Easier to implement 
- Well proven 
- Open
1000
- Conformance
- Safety
- Redundancy
- Versatile 500

0
Nov-03

Nov-04

Nov-05

Nov-06

Nov-07

Nov-08

Nov-09

Nov-10

Nov-11
Feb-04

Aug-04

Feb-05

Feb-06

Feb-07

Feb-08

Feb-09

Feb-10

Feb-10

Feb-12
Aug-05

Aug-06

Aug-07

Aug-08

Aug-09

Aug-10

Aug-11

Aug-12
May-11
May-04

May-05

May-06

May-07

May-08

May-09

May-10

May-12
October 2012 © EtherCAT Technology Group, 2012
 ETG Membership Distribution

100%

90%
Asia
80%

70%
EtherCAT Technology America
60%
Group is a truly
Global Organization
50% Europe
35 w/o Germany > 2100
members
40%
members

30%
Germany
20%

October 2012 © EtherCAT Technology Group, 2012

 ETG Members Asia

EtherCAT is:
August 31st 2012:
- Faster
631 Asian Members

700
- Synchronization 
- Industrial Ethernet 
Asia (others)
- Flexible Topology  600 Japan Aug 2011 – Aug 2012:
- Easier to configure 
China+Taiwan + 164!
- Cost effective  500
- Easier to implement  Korea
- Well proven  400
- Open
- Conformance 300
- Safety
- Redundancy
200
- Versatile

100

October 2012 © EtherCAT Technology Group, 2012

 Members from 55* Countries, 6 Continents

EtherCAT is:
- Faster  Bosnia and
Argentina Australia Austria Belarus Belgium Brazil Bulgaria
Herzegovina
- Synchronization 
- Industrial Ethernet 
- Flexible Topology  Canada China Columbia Croatia Czech Rep Denmark Finland

- Easier to configure 
- Cost effective 
- Easier to implement  France Germany Greece Hungary India Iran Ireland Israel

- Well proven 
- Open
- Conformance Italy Japan Korea Lebanon Latvia Liechtenstein Lithuania Luxemburg

- Safety
- Redundancy
Malta Mexico Netherlands New Zealand Norway Poland Portugal Romania
- Versatile

Russia San Marino Serbia Singapore Slovakia Slovenia South Africa Spain

Sweden Switzerland Taiwan Thailand Turkey Ukraine United Kingdom USA

October 2012 © EtherCAT Technology Group, 2012 *as of Sept 2012

 How many members invest in the technology?

• One indicator: implementation kits sold.

EtherCAT is:
- Faster  • Until now, Beckhoff alone has sold over 1400 kits
- Synchronization  (78% slave kits, 22%(!) master kits)
- Industrial Ethernet 
- Flexible Topology 
• + there are slave implementation kits + master stacks from
- Easier to configure 
many other vendors*, such as
 – Beck IPC
- Cost effective
– acontis
– Deutschmann
- Easier to implement 
– EBV Elektronik
– esd
- Well proven 
– Hilscher – igH
- Open
– HMS anybus – IXXAT Automation
- Conformance
–

Master
– IXXAT Automation Kithara
- Safety
– koenig-pa – Koenig-PA
Slave

- Redundancy
– port – MicroSys
- Versatile
– Red one – Profimatics
– Soft Servo Systems – Sybera
– ST Microelectronics – …
– Terasic Technologies
– Tetra
– Xilinx * Only those listed that have entered their
offering in the EtherCAT Product Guide
– …
October 2012 © EtherCAT Technology Group, 2012
 ETG: Active Members

EtherCAT is: • Hannovermesse 2012: 65 Vendors with over 280 different

- Faster  EtherCAT Devices at ETG booth:
- Synchronization  – 35 different drives from 24 manufacturers
- Industrial Ethernet  jointly operating in one network
- Flexible Topology 
– 25 different functional Masters in one setup,
- Easier to configure 
using 10 different operating systems
- Cost effective 
- Easier to implement  – Safety devices (master + slave devices) from
- Well proven several manufacturers operating in one system

- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT: Large Product Selection

EtherCAT is:
I/O, Controller, HMI, Servo Drives, Variable Speed Drives
- Faster 
Sensors, Slave + Master Development Kits
- Synchronization  Control Panels, Hydraulic Valves
- Industrial Ethernet  and Pneumatic Valves,
- Flexible Topology  …
- Easier to configure 
- Cost effective 
- Easier to implement 
- Well proven 
- Open
- Conformance
- Safety
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 Conformance and Interoperability

EtherCAT is:
- Faster 
- Synchronization 
- Industrial Ethernet 
- Flexible Topology  • Conformance and interoperability are very important
- Easier to configure  factors for the success of a communication technology
- Cost effective  – Conformity to the specification is an obligation to all users of
- Easier to implement 
the EtherCAT technology
- Well proven 
– Therefore the EtherCAT Conformance Test Tool (CTT) is
- Open 
used
- Conformance
- Safety – Test Cases for the CTT are provided by the Working Group
- Redundancy „Conformance“ within the ETG community
- Versatile – The EtherCAT Conformance Test proves conformance
with issuing a certificate after passing the test at an official
EtherCAT Test Center (ETC)

October 2012 © EtherCAT Technology Group, 2012

 Safety over EtherCAT

EtherCAT is: Material feeding

Muting
- Faster 
Two-Hand control
- Synchronization 
- Industrial Ethernet  Protection of workspace
- Flexible Topology  e.g. with Laser scanner
- Easier to configure 
- Cost effective 
- Easier to implement  Emergency
stop
- Well proven 
- Open  Operator
- Conformance  Diagnosis
- Safety
- Redundancy Safely-limited
- Versatile Position / Speed

Door guarding Setup /

with Maintenance
Interlocking
Safety guard

October 2012 © EtherCAT Technology Group, 2012

 Modern Machine Safety Concepts

October 2012 © EtherCAT Technology Group, 2012

 Safety over EtherCAT: Features

EtherCAT is:
- Faster 
- Synchronization 
- Industrial Ethernet 
- Flexible Topology  • Safety over EtherCAT (FSoE) defines a safety
- Easier to configure  communication layer for the transportation of safety
- Cost effective  process data between Safety over EtherCAT devices.
- Easier to implement 
- Well proven
• FSoE is an open technology within the EtherCAT

- Open 
Technology Group (ETG).
- Conformance  • The protocol is developed according to IEC 61508
- Safety – It meets the Safety Integrity Level (SIL) 3
- Redundancy
– Residual Error Probability R(p) < 10-9
- Versatile
• The protocol is approved by an independent Notified
Body (TÜV)

October 2012 © EtherCAT Technology Group, 2012

 Safety over EtherCAT: Software Architecture

EtherCAT is: Device 1 Device 2

- Faster 
- Synchronization  Safety Safety
- Industrial Ethernet  Application Application
- Flexible Topology 
- Easier to configure Standard Standard
 Application Application
- Cost effective 
- Easier to implement  Safety over Safety over Safety
- Well proven EtherCAT EtherCAT over
 Protocol Protocol EtherCAT
- Open 
- Conformance  EtherCAT EtherCAT EtherCAT
- Safety Communication Interface Communication Interface DLL and AL

- Redundancy
- Versatile EtherCAT Telegram

Safety data container (FSoE Frame)

EtherCAT is used as a "black channel"

It contains safety and standard information

October 2012 © EtherCAT Technology Group, 2012

 Safety over EtherCAT: Hardware Architecture

EtherCAT is: • One channel communication system

- Faster  According to model A of IEC 61784-3 Annex A
- Synchronization 
- Industrial Ethernet 
- Flexible Topology  Device
- Easier to configure 
- Cost effective  Controller A Controller B
- Easier to implement  Safety Safety
Protocol Protocol
- Well proven  Controller A Controller B
- Open  Safety Safety
- Conformance
Protocol Protocol

Magnetics

Magnetics

RJ45
RJ45

- Safety

PHY
PHY
EtherCAT
- Redundancy Slave Controller
- Versatile In Out
Port Port

October 2012 © EtherCAT Technology Group, 2012

 Safety over EtherCAT: Frame Structure

Device 1
EtherCAT is:
FSoE Frame
- Faster  Safety
Application
- Synchronization  The FSoE Frame is
Standard embedded as a
- Industrial Ethernet  Application
Container in the
- Flexible Topology  process data of the
- Easier to configure  FSoE device.
Protocol
- Cost effective  Each device detects
- Easier to implement  EtherCAT a new FSoE Frame,
Communication interface if at least one Bit in
- Well proven  the FSoE Frame is
- Open  EtherCAT Frame changed.
- Conformance  Ethernet EtherCAT 1. Data- Every 2 Byte SafeData

FSoE
2. Data-

HDR
- Safety Process Data FSC are checked by a 2
Header Header gram gram
- Redundancy Byte CRC
- Versatile FSoE Frame The maximum number
of SafeData is
therefore not
restricted by the
protocol.
Safe Safe Safe
CMD CRC_0 CRC_1 CRC_n Conn ID
Data 0 Data 1 Data n

October 2012 © EtherCAT Technology Group, 2012

 Safety over EtherCAT: Implementation Example

EtherCAT is: • Decentralized Safety-Logic

- Faster  • Standard PLC routes the safety messages
- Synchronization 
- Industrial Ethernet  Standard
PLC Safety Inputs
- Flexible Topology 
- Easier to configure 
- Cost effective 
- Easier to implement 
- Well proven  Safety Outputs
- Open 
- Conformance 
- Safety
- Redundancy
- Versatile
S

S
Safety Drives Safety Logic
S

October 2012 © EtherCAT Technology Group, 2012

 Safety over EtherCAT: Advantages

EtherCAT is: • Fully integrated solution:

- Faster  – safe and standard communication in one channel
- Synchronization 
• Reduction of fieldbuses and interfaces
- Industrial Ethernet 
- Flexible Topology  • Central configuration, diagnosis and maintenance for
- Easier to configure  safe and ‚unsafe‘ I/O in one tool
- Cost effective  • Safety application makes full use of EtherCAT
- Easier to implement 
advantages:
- Well proven 
– Short reaction times
- Open 
- Conformance  – Almost unlimited number of nodes
- Safety – Large network extensions
- Redundancy
– Cable redundancy options
- Versatile
– High Flexibility with Hot Connect

October 2012 © EtherCAT Technology Group, 2012

 Without Redundancy: Normal Operation

EtherCAT is:
- Faster  EtherCAT Master
- Synchronization 
- Industrial Ethernet  RX Unit TX Unit
- Flexible Topology  RX TX
- Easier to configure 
- Cost effective  MAC 1
- Easier to implement 
RX TX
- Well proven 
- Open 
- Conformance 
- Safety 

J J J
- Redundancy
- Versatile

Slave 1 Slave 2 Slave N

RX TX RX TX RX TX
... ...
TX RX TX RX TX RX

October 2012 © EtherCAT Technology Group, 2012

 Without Redundancy: Cable Failure

EtherCAT is:
- Faster  EtherCAT Master
- Synchronization 
- Industrial Ethernet  RX Unit TX Unit
- Flexible Topology  RX TX
- Easier to configure 
- Cost effective  MAC 1
- Easier to implement 
RX TX
- Well proven 
- Open 
- Conformance 
- Safety 

J J
- Redundancy
- Versatile L L
Slave 1 Slave 2 Slave N-1 Slave N
RX TX RX TX RX TX RX TX
... ...
TX RX TX RX TX RX TX RX

October 2012 © EtherCAT Technology Group, 2012

 Without Redundancy: Node or Cable Failure

EtherCAT is:
- Faster  EtherCAT Master
- Synchronization 
- Industrial Ethernet  RX Unit TX Unit
- Flexible Topology  RX TX
- Easier to configure 
- Cost effective  MAC 1
- Easier to implement 
RX TX
- Well proven 
- Open 
- Conformance 
- Safety 

J J
- Redundancy
- Versatile L L
Slave 1 Slave 2 Slave N-2 Slave N-1 Slave N
RX TX RX TX RX TX RX TX RX TX
... ...
TX RX TX RX TX RX TX RX TX RX

October 2012 © EtherCAT Technology Group, 2012

 With Redundancy: Normal Operation

EtherCAT is:
- Faster 
Only 2nd
EtherCAT Master
- Synchronization 
Ethernet
Port required –
- Industrial Ethernet  RX Unit TX Unit
no special
- Flexible Topology  RX TX Interface Card
- Easier to configure 
- Cost effective  MAC 1 MAC 2
- Easier to implement 
RX TX RX TX
- Well proven 
- Open 
- Conformance 
- Safety 

J
- Redundancy
- Versatile J J
Slave 1 Slave 2 Slave N
RX TX RX TX RX TX
... ...
TX RX TX RX TX RX

October 2012 © EtherCAT Technology Group, 2012

 With Redundancy: Cable Failure

EtherCAT is:
- Faster  EtherCAT Master
- Synchronization 
- Industrial Ethernet  RX Unit TX Unit
- Flexible Topology  RX TX
- Easier to configure 
- Cost effective  MAC 1 MAC 2
- Easier to implement 
RX TX RX TX
- Well proven 
- Open 
- Conformance 
- Safety 

J J
- Redundancy
- Versatile J J
Slave 1 Slave 2 Slave N-1 Slave N
RX TX RX TX RX TX RX TX
... ...
TX RX TX RX TX RX TX RX

Switchover time: < 15µs

October 2012 © EtherCAT Technology Group, 2012
 With Redundancy: Node or Cable Failure

EtherCAT is:
- Faster  EtherCAT Master
- Synchronization 
- Industrial Ethernet  RX Unit TX Unit
- Flexible Topology  RX TX
- Easier to configure 
- Cost effective  MAC 1 MAC 2
- Easier to implement 
RX TX RX TX
- Well proven 
- Open 
- Conformance 
- Safety 

J J
- Redundancy
- Versatile J J
Slave 1 Slave 2 Slave N-2 Slave N-1 Slave N
RX TX RX TX RX TX RX TX RX TX
... ...
TX RX TX RX TX RX TX RX TX RX

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT: High availability

EtherCAT is: • Cabling redundancy

- Faster  – 2nd Ethernet port needed on master side only
- Synchronization 
• Hot Swap of devices
- Industrial Ethernet 
- Flexible Topology  • Hot Connect of network segments
Hot Connect
- Easier to configure  • Master Redundancy with Hot Stand By Group
- Cost effective 
- Easier to implement 
Master
- Well proven 
- Open 
- Conformance 
- Safety 
- Redundancy
- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT: versatile system architecture

EtherCAT is: • Master to Slave

- Faster  • Slave to Slave
- Synchronization  • Master to Master
- Industrial Ethernet 
M2S
- Flexible Topology 
- Easier to configure 
Switchports
- Cost effective 
- Easier to implement 
- Well proven  Master
- Open 
M2M
- Conformance 
- Safety 
Gateways
- Redundancy

- Versatile M2S

Master
S2S

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT Automation Protocol

EtherCAT is:
- Faster 
- Synchronization 
- Industrial Ethernet 
- Flexible Topology 
- Easier to configure 
- Cost effective 
- Easier to implement 
- Well proven 
- Open 
- Conformance 
- Safety 
- Redundancy

- Versatile

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT Automation Protocol: Application

MES

OPC

Controller Visu
zum Controller und
allen Stationen
Je Verbindung:
10ms cycle
IN 1kByte
OUT 1kByte

IN 600 Byte IN 600 Byte IN 600 Byte IN 600 Byte IN 600 Byte IN 600 Byte IN 600 Byte IN 600 Byte IN 600 Byte
OUT 600 Byte OUT 600 Byte OUT 600 Byte OUT 600 Byte OUT 600 Byte OUT 600 Byte OUT 600 Byte OUT 600 Byte OUT 600 Byte

10 ms cycle

Stations- Stations- Stations- Stations- Stations- Stations- Stations- Stations- Stations- Stations-
Master Master Master Master Master Master Master Master Master Master

Einschleusen Einschleusen Prozess- Prozess- Prozess- Prozess- Prozess- Ausschleusen Ausschleusen Ausschleusen
Kammer Kammer Kammer Kammer Kammer

Ethernet Connection EtherCAT Automation Protocol

EtherCAT Segment OPC

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT and Wireless Communication

EtherCAT is: • Wireless Devices can be connected via Switchport

- Faster  • Wireless segment does not slow down EtherCAT
- Synchronization  communication
- Industrial Ethernet  • Protocol: EtherCAT Automation Protocol
- Flexible Topology  – Pushed and/or Polled Process Data Exchange
- Easier to configure 
• Wireless Segment transparent for Master Device
- Cost effective 
- Easier to implement 
Master Switchport
- Well proven 
- Open 
- Conformance 
- Safety 
- Redundancy

- Versatile

e.g. Card or RFID Reader

Master sees
process data of
underlying system
Master with or
as local I/O data without control
application

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT - The Ethernet Fieldbus.

EtherCAT is:
- Faster 
- Synchronization 
- Industrial Ethernet 
- Flexible Topology
- Easier to configure


Why go for something slower,
- Cost effective
- Easier to implement 

just because it is more
- Well proven
- Open


expensive?
- Conformance 
- Safety 
- Redundancy

- Versatile 

October 2012 © EtherCAT Technology Group, 2012

 EtherCAT - The Ethernet Fieldbus.

EtherCAT is: Please visit

- Faster  www.ethercat.org
- Synchronization  for more information
- Industrial Ethernet 
- Flexible Topology 
- Easier to configure 
- Cost effective 
- Easier to implement 
- Well proven 
- Open 
- Conformance 
- Safety 
- Redundancy

- Versatile 
EtherCAT Technology Group
ETG Headquarters
Ostendstr. 196
90482 Nuremberg, Germany
Phone: +49 911 54056 20
info@ethercat.org
October 2012 © EtherCAT Technology Group, 2012