Rockwell-automation Ethernet Design Considerations Reference Manual Uživatelský manuál

Ethernet Design ConsiderationsReference Manual

10 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013PrefaceStudio 5000 EnvironmentThe Studio 5000 Engineering and Design Environment combine

100 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformanceNotes:

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 101IndexAaddressdynamic secure MAC 56gateway 17gateway default 17resolution protocol (ARP)

102 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013IndexEtherNet/IP networkadapters 95capacity tool 69communication modules 19definition 1

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 103IndexOoverviewEtherNet/IP network 13Ppacketscalculation 86rate capacity 69transmission

104 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013IndexUUCMM 61messages 61unicast 32default settings 33unmanagedswitches 29Vviolationssec

Publication ENET-RM002C-EN-P - May 2013Supersedes Publication ENET-RM002B-EN-P - April 2012 Copyright © 2013 Rockwell Automation, Inc. All rights rese

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 11PrefaceAdditional ResourcesThese documents and websites contain additional information c

12 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013PrefaceNotes:

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 13Chapter 1EtherNet/IP OverviewThe EtherNet/IP protocol is a multi-discipline, control and

14 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 1 EtherNet/IP OverviewNetwork ProtocolsOn the most basic level, Ethernet is a wi

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 15EtherNet/IP Overview Chapter 1Configuration RequirementsAll devices on Ethernet communic

16 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 1 EtherNet/IP OverviewEach node on the same physical network must have an IP add

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 17EtherNet/IP Overview Chapter 1Gateway AddressA gateway connects individual physical netw

18 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 1 EtherNet/IP OverviewSubnet MaskSubnet addressing is an extension of the IP add

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 19EtherNet/IP Overview Chapter 1EtherNet/IP Modules in a Control SystemThe following diagr

Important User InformationSolid-state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines

20 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 1 EtherNet/IP OverviewBridge across NetworksSome EtherNet/IP communication modul

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 21Chapter 2Ethernet Infrastructure ComponentsThe topology and cable layout of the Ethernet

22 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 2 Ethernet Infrastructure ComponentsTopologiesEthernet networks are laid out in

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 23Ethernet Infrastructure Components Chapter 2The EtherNet/IP embedded switch technology o

24 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 2 Ethernet Infrastructure ComponentsMediaThe actual wire used for the network is

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 25Ethernet Infrastructure Components Chapter 2HubsHubs are multiport repeaters. They are b

26 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 2 Ethernet Infrastructure ComponentsMedia ConvertersMedia converters let you mix

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 27Ethernet Infrastructure Components Chapter 2Routers and GatewaysRouters and gateways use

28 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 2 Ethernet Infrastructure ComponentsSwitchesSwitches provide determinism and thr

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 29Ethernet Infrastructure Components Chapter 2Unmanaged versus Managed SwitchesUnmanaged s

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 3Summary of ChangesThis manual contains new and updated information. Changes throughout th

30 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 2 Ethernet Infrastructure ComponentsFull-duplex ModeEthernet is based on Carrier

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 31Chapter 3Ethernet Infrastructure FeaturesWhen you use the EtherNet/IP network for time-c

32 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesTransmission PacketsData is transmitted over t

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 33Ethernet Infrastructure Features Chapter 3Limit the amount of broadcast and multicast tr

34 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesFramesUse multicast frames in these situations

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 35Ethernet Infrastructure Features Chapter 3Multicast Address LimitIn multicast communicat

36 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesIf you replace a Rockwell Automation EtherNet/

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 37Ethernet Infrastructure Features Chapter 3The DNS server refers to its table and sends b

38 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesNetwork Address TranslationNetwork address tra

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 39Ethernet Infrastructure Features Chapter 3Supported NAT TopologiesFigure 3 - Switch-leve

4 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Summary of ChangesNotes:

40 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesFigure 5 - Star with Stratix 5700 SwitchFigure

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 41Ethernet Infrastructure Features Chapter 3Figure 7 - Star with Device-level RingPOINT I/

42 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesVirtual LANs and SegmentationA virtual LAN (VL

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 43Ethernet Infrastructure Features Chapter 3A security policy can call for limiting access

44 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesVLAN TrunkingTrunking enables a VLAN to span m

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 45Ethernet Infrastructure Features Chapter 3Quality of Service (QoS)Quality of service det

46 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesQoS GuidelinesFollow these guidelines with QoS

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 47Ethernet Infrastructure Features Chapter 3Resiliency Protocols• Spanning Tree Protocol (

48 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesSpanning Tree Protocol (STP) and Rapid STP (RS

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 49Ethernet Infrastructure Features Chapter 3EtherChannel ProtocolThe EtherChannel protocol

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 5Table of ContentsPrefaceStudio 5000 Environment . . . . . . . . . . . . . . . . . . . . .

50 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesFlex Links ProtocolThe Flex Links protocol pro

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 51Ethernet Infrastructure Features Chapter 3Resilient Ethernet Protocol (REP)REP operates

52 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesSegments can be wrapped into a ring. Identific

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 53Ethernet Infrastructure Features Chapter 3A DLR network is a single-fault tolerant netwo

54 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesNetwork convergence includes the following:• A

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 55Ethernet Infrastructure Features Chapter 3Internet Group Management Protocol (IGMP)The I

56 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesPort SecurityThe switch has dynamic and static

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 57Ethernet Infrastructure Features Chapter 3Security ViolationsIn the event of a security

58 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 3 Ethernet Infrastructure FeaturesDevice CommissioningThere are multiple methods

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 59Chapter 4EtherNet/IP ProtocolThe EtherNet/IP protocol is standard Ethernet and standard

6 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Table of ContentsSpanning Tree Protocol (STP) and Rapid STP (RSTP) . . . . . . . . . . 4

60 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 4 EtherNet/IP ProtocolThis graphic shows how connections are layered on each oth

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 61EtherNet/IP Protocol Chapter 4These example applications describe how connections are us

62 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 4 EtherNet/IP ProtocolTCP ConnectionsTCP connections are used for all EtherNet/I

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 63EtherNet/IP Protocol Chapter 4CIP Connection Message TypesCIP connections use one of the

64 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 4 EtherNet/IP ProtocolTable 10 - CIP Connections with Implicit and Explicit Mess

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 65EtherNet/IP Protocol Chapter 4Nodes on an EtherNet/IP NetworkCompactLogix 5370 controlle

66 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 4 EtherNet/IP ProtocolEtherNet/IP Network SpecificationsTable 12 - EtherNet/IP N

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 67EtherNet/IP Protocol Chapter 4Table 13 - EtherNet/IP Network SpecificationsCat. No. Medi

68 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 4 EtherNet/IP ProtocolTable 14 - Additional ControlLogix EtherNet/IP Communicati

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 69EtherNet/IP Protocol Chapter 4Packets Rate CapacityBeginning with firmware revision 3.x

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 7Table of ContentsEstimate Maximum Input or Output Times for CIP Connections . 89Example

70 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 4 EtherNet/IP ProtocolUpgrade to Latest Firmware RevisionAll ControlLogix EtherN

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 71EtherNet/IP Protocol Chapter 4MessagingThe EtherNet/IP network supports both time-critic

72 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 4 EtherNet/IP ProtocolExplicit MessagesExplicit connections are non-time critica

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 73EtherNet/IP Protocol Chapter 4CIP SafetyCIP Safety is an extension to the application la

74 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 4 EtherNet/IP ProtocolCIP SyncCIP Sync defines time synchronization services for

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 75EtherNet/IP Protocol Chapter 4Typical time synchronized applications include the followi

76 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 4 EtherNet/IP ProtocolIntegrated Motion on an EtherNet/IP NetworkIntegrated moti

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 77EtherNet/IP Protocol Chapter 4Connectivity to ITWhile IT and controls engineers are ofte

78 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 4 EtherNet/IP ProtocolNotes:

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 79Chapter 5Predict System PerformanceThis chapter describes how to predict the performance

8 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Table of ContentsNotes:

80 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformanceSystem Prediction GoalsYou allocate the bandwidth of

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 81Predict System Performance Chapter 5Part One: Determine If System Has Sufficient Bandwi

82 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformancePart Two: Predict Maximum input or Output Times for

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 83Predict System Performance Chapter 5Performance CalculationsLogix5000 controllers use pa

84 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformanceWhile you can use the EtherNet/IP node count to sele

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 85Predict System Performance Chapter 5Identify and Count ConnectionsUse your design to ide

86 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformanceCalculate Packets/SecondAll EtherNet/IP communicatio

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 87Predict System Performance Chapter 5Use this table to count the total packets/second sen

88 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformanceEstimate the Fastest RPIThe fastest RPI for an Ether

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 89Predict System Performance Chapter 5Estimate Maximum Input or Output Times for CIP Conne

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 9PrefaceRockwell Automation uses open network technology for seamless, plant-wide integrat

90 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformanceExample: Predict System PerformanceThis example Cont

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 91Predict System Performance Chapter 5Determine If System Has Sufficient Bandwidth to Meet

92 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformanceExplicit MessagingThe RSView® and PanelView Plus mes

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 93Predict System Performance Chapter 5EtherNet/IP Module Serving as a ScannerEtherNet/IP m

94 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformanceFill in the worksheet for this module as follows.The

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 95Predict System Performance Chapter 5EtherNet/IP Modules Functioning as AdaptersEtherNet/

96 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformanceFor example, use the worksheet in Appendix A for ea

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 97Predict System Performance Chapter 5Each of these controllers consumes one produced tag

98 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013Chapter 5 Predict System PerformanceEstimate the Maximum Input or Output Times for CIP C

Rockwell Automation Publication ENET-RM002C-EN-P - May 2013 99Predict System Performance Chapter 5Refine EstimatesTo further increase the accuracy of