fundamentals of ethernet/ip network technology

Rockwell Automation TechED 2016 @ROKTechED #ROKTechED


Abstract Learn the capabilities and features of EtherNet/IP, including an overview

of networking technology and terminology. Learn how the Common Industrial Protocol (CIP) fully uses the Open Systems Interconnection (OSI) reference model and the value of supporting standard Ethernet and Internet Protocol (IP) network technology.

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Rockwell Automation TechED 2016 @ROKTechED #ROKTechED 3

Industrial Application ConvergenceIndustrial Network Trends

Controller

Drive NetworkSafety NetworkI/O NetworkPlant/Site Network

Disparate Network Technology

Information I/O, Motor Control

SafetyApplications

ProcessPower

Control

Multi-discipline Industrial Network Convergence

HighAvailability

EnergyManagement

Safety I/O

Single IndustrialNetwork TechnologyCamera

Controller

VFDDriveHMI

I/OPlant/Site

Instrumentation


Network Technology ConvergenceSingle Industrial Network Technology

Multi-discipline Industrial Network Convergence

Process ControlDiscrete ControlInformation TechnologyIntelligent Motor Control

Convergence of Industrial Automation Technology (IAT) with Information Technology (IT)


EtherNet/IP: “IP” - Industrial ProtocolSingle Industrial Network Technology ODVA Supported by global industry leaders such as Cisco Systems®,

Omron®, Schneider Electric®, Bosch Rexroth AG®,Endress+Hauser and Rockwell Automation®

Conformance & Performance Testing Standard IEEE 802.3 - standard Ethernet, Precision Time Protocol (IEEE-1588) IETF - Internet Engineering Task Force, standard Internet Protocol (IP) ODVA - Common Industrial Protocol (CIP™) IEC - International Electrotechnical Commission – IEC 61158

IT Friendly and Future-Ready (Sustainable) Multi-discipline control and information platform Established - products, applications and vendors

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www.odva.org

What’s the difference? EtherNet/IP EtherNet/IP

http://www.odva.org/


CIP - IEC 61158

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Single Industrial Network TechnologyOSI 7-Layer Reference Model

5-Layer TCP/IP Model

Application

Presentation

Session

Transport

Network

Data Link

Physical

Layer 7

Layer 6

Layer 5

Layer 4

Layer 3

Layer 2

Layer 1

Network Services to User App

Encryption/Other processing

Manage Multiple Applications

Reliable End-to-End Delivery Error Correction

Packet Delivery, Routing

Framing of Data, Error Checking

Signal type to transmit bits, pinouts, cable type

IETF TCP/UDP

IETF IP

IEEE 802.3/802.1/802.11

TIA - 1005

Routers

Switches

Cabling/RF

Layer NameLayer No. Function Examples

CIP - IEC 61158

IES

Open Systems Interconnection


Application RequirementsNetwork Technology Convergence - Performance

Source: ARC Advisory Group

What is real-time? Application dependent ….. only you can define what this means for your application.

FunctionInformation Integration,

Slower Process Automation

Time-criticalDiscrete Automation Motion Control

CommunicationTechnology .Net, DCOM, TCP/IP Industrial Protocols - CIP

Hardware and Software solutions, e.g. Integrated Motion on the EtherNet/IP network, PTP

Period 10 ms to 1000 ms 1 ms to 100 ms 100 µs to 10 ms

Industries Oil & Gas, chemicals,energy, water

Auto, Food & Beverage, semiconductor,

metals, pharmaceuticalSubset of discrete automation

Applications Pumps, compressors, mixers, instrumentation

Material handling, filling, labeling, palletizing, packaging

Printing presses, wire drawing, web making, pick & place


Converged Plantwide Ethernet (CPwE) Reference Architectures - Logical Framework

Physical or Virtualized Servers• FactoryTalk® Application Servers

and Services Platform

• Network & Security Services – DNS, AD, DHCP, Identity Services (AAA)

• Storage Array

Remote AccessServer

Physical or Virtualized Servers• Patch Management• AV Server• Application Mirror• Remote Desktop Gateway Server

DistributionSwitch Stack

HMI

Cell/Area Zone - Levels 0–2Redundant Star Topology - Flex Links Resiliency

Unified Wireless LAN(Lines, Machines, Skids, Equipment)

Cell/Area Zone - Levels 0–2Linear/Bus/Star Topology

Autonomous Wireless LAN(Lines, Machines, Skids, Equipment)

IndustrialDemilitarized Zone

(IDMZ)

Enterprise ZoneLevels 4-5

Rockwell Automation®Stratix 5000/8000

Layer 2 Access Switch

Industrial ZoneLevels 0–3

(Plant-wide Network)

CoreSwitches

Phone

Controller

CameraSafety

Controller

Robot

Soft Starter

Cell/Area Zone - Levels 0–2Ring Topology - Resilient Ethernet Protocol (REP)

Unified Wireless LAN(Lines, Machines, Skids, Equipment)

I/O

Plant Firewalls• Active/Standby• Inter-zone traffic segmentation• ACLs, IPS and IDS• VPN Services• Portal and Remote Desktop Services proxy

SafetyI/O

ServoDrive

Instrumentation

Level 3 - Site Operations(Control Room)

HMI

Active

AP

SSID5 GHz

WGB

SafetyI/O

Controller

WGB

LWAP

SSID5 GHz WGB

LWAP

Controller

LWAP

SSID2.4 GHz

Standby

WirelessLAN Controller

(WLC)

Cell/Area ZoneLevels 0–2

Cell/Area ZoneLevels 0–2

Drive

DistributionSwitch Stack

Wide Area Network (WAN)Data Center - Virtualized Servers• ERP - Business Systems• Email, Web Services• Security Services - Active Directory (AD),

Identity Services (AAA)• Network Services – DNS, DHCP• Call Manager

Enterprise

Identity Services

Identity Services

External DMZ/ Firewall

Internet

AccessSwitches

AccessSwitches


Plant-wide / Site-wide Network Architectures: Site-to-Site Connection Broad geographic area WAN Examples: Point-to-Point Link – PSTN Leased Lines – T1, E1 Circuit Switching - ISDN Packet Switching - Frame Relay, Broadband DSL, Broadband Cable

Higher Latency Use case examples – HMI and Data Collection

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WAN

PSTN

Remote Site Plant Site


Plant-wide / Site-wide Network Architectures: Site-to-Site Connection

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Enterprise-wideBusiness Systems Enterprise Zone

Levels 4-5Data Center

Physical or Virtualized Servers• FactoryTalk® Application Servers & Services Platform• Network Services – e.g. DNS, AD, DHCP, AAA• Remote Access Server (RAS)• Storage Array

IDMZ - Level 3.5

Plant-wide / Site-wideOperation Systems

Site-to-SiteConnection

Remote Site #1Skid / Machine

Local Skid / Machine #1

Industrial ZoneLevels 0 - 3

Level 3 - Site Operations

Cell/Area Zone - Levels 0-2Ring Topology - Resilient Ethernet Protocol (REP) Local

Skid / Machine #2


EtherNet/IP Advantage Summary Single industrial network technology for: Multi-discipline Network Convergence - Discrete, Continuous Process, Batch, Motor, Safety, Motion, Power,

Time Synchronization, Supervisory Information, Asset Configuration/Diagnostics, and Energy Management Established Risk reduction – broad availability of products, applications and vendor support ODVA: Cisco Systems, Endress+Hauser, Rockwell Automation® are principal members Supported – Defined QoS priority values for EtherNet/IP devices

Standard – IEEE 802.3 Ethernet and IETF TCP/IP Protocol Suite Enables convergence of IAT and IT – common toolsets (assets for design, deployment and troubleshooting)

and skills/training (human assets) Topology and media independence – flexibility and choice Device-level and switch-level topologies; copper - fiber - wireless

Portability and routability – seamless plant-wide / site-wide information sharing No data mapping – simplifies design, speeds deployment and reduces risk

Common industrial application layer protocol DeviceNet™, ControlNet™ and EtherNet/IP - seamless bridging throughout CIP networks

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