Industrial Field Bus Standards
Update (Physical Layer)
Bob Lounsbury

Principal Engineer
Rockwell Automation

Technical Trackwww.odva.org

Abstract
Standardization of cabling systems for communications
networks has been ongoing since the early 90s. Since the initialstandardization of industrial cabling systems for ODVA there
have been many new high performance components andenhancements added. The standards organizations continue towork to provide standardization of these new components andsystems. There are several national and international cabling
standards that have a direct impact on networks throughout theworld. These standards are either based on ODVA network
standards and/or are the foundation for the ODVA networks.
This Presentation will focus on the current state of thesestandards and bring the audience up to date on how they affect
ODVA.

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AgendaCabling Standards and Relationships
ISO/IEC/JTC 1/SC25/WG3Information Technology Standards

SC65C/JWG10
Industrial Field Bus Standards

ANSI/TIA/TR42
Telecommunications Cabling Systems

ODVA
CIP

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International
ElectrotechnicalCommission

Cabling Standards Relationships• Three Categories of Standards forCabling• Component Standards• Channel (Cabling) Definition
Standards• Installation Standards• Some Standards Bodies Combine
the Component and CablingStandards Together.
• Industrial Standards are Basedon Generic Cabling Standards

5Coverage

Design Installation

Standards Working Relationships
 National and international

standards work together
through the US-TAGs andLiaisons.
 Consortia work together

through MOUs and crosslicensing6

Coverage

Design Installation

Standards Coverage Areas
Two Coverage areas
 Office (commercial) Premises
Generic cabling mainly covers officespaces and general floor areas

 Industrial Premises
Industrial cabling mainly covers inand between automation islands

 The two overlap in some areas

9Coverage

Design Installation

Cabling Specifications For Design Five Cabling standards cover requirements for components

and cabling systems
 International Standards
ISO 11801
ISO/IEC 24702 (Industrial)
IEC 61158 and IEC 61784-1,2

 Two National Standards
TIA 568-C,
TIA 569 & TIA 606B,
TIA 607B,
TIA 1005A

11Coverage

Design Installation

Cabling Installation
Installation has been primarily

subject for the InternationalStandards
ISO/IEC 14673 series written

under ISO/IEC
CoversCommercial

Residential

Data centers

Schools

Hospitals

Industrial

IEC 61918 Ed3
IEC 61784-5-n written under

IEC/SC65C/JWG10

13Covers field bus and industrial
Ethernet

Coverage

Design Installation

Closer Look at IEC 61784-5-2
 Installation Profiles for;

 EtherNet/IP
 ControlNet DeviceNet Other Field Bus Networks

 Eligible to be added in Maintenance cycleEntry of Competitor Networks
Update of existing Networks
After 2013 stable until 201816

Installation Standards
IEC/SC65C/JWG10 Publishes Installation
Standards for Field Bus Networks.
• IEC 61784-5-n Ed3 (most)• IEC 61918 Ed3• This Set of Standards is Stable Until2018• Tracking E2E Link
• Mixed Cables• 1Gig Cabling17

Closer Look at Cabling Standards
National
ANSI TIA TR42
International
ISO/IEC/JTC1/SC25/WG318

ISO/IEC/JTC1/SC25/WG3Cabling and Component Standard• Restructuring ISO/IEC 11801 3rdedition• Incorporating ISO/IEC 24702 into11801• JMTG working on E2E Link (more later)• Earthing and Bonding

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ANSI TIA-TR42
Sub Group TR42.9 (Industrial)• Standard TIA1005A Industrial Premises
Cabling• Stable standard.
• SG working on Three Projects
••
•

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Addition of M12-8 X coded
Definition and addition of 1Gig Cabling
End to End Link

ANSI TIA TR42Sub Group TR 42.16• Grounding and Bonding• ANSI TIA 607B
• Primary focus on Office Buildings andAntenna Farms• Currently Under Revision• SIG members Working with this Groupfor Harmonization Purposes.

21Close Look at IEEE 802.3 Projects
Active Projects• IEEE802.3bp Single Pair Gigabit Ethernet PHY• IEEE802.3bt defining 4-pair PoE with up to 100W at PD• IEEE802.3bu defining 1-pair Power over Data Link
Other Projects Coming• 100 Mb/s Over Single Pair
• 1 Gigabit over POF

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IEEE 802.3bp RTPGE• Defining 1 pair 1000Base-T for theAutomotive Industry and IndustrialAutomation Networks• 802.3bp PHY to be Know as 1000BASET1• 802.3bp Baseline Draft being Preparedfor Review• PoE Being Defined Separately for 1-Pair
Data Lines PoDL23

IEEE 802.3bp Continued• Full Duplex• IEEE 802.3 Ethernet Frame Format• IEEE 802.3 Ethernet Frame Length
min/max• BER <= 10-12• 1G Operation at the MAC/PLS• 15Meter Length• >= 40Meter Length Industrial

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IEEE 802.3bt 4-Pr PoE up to 100W
• TF Approved Nov 2013, Initial Meeting
Held in January• Defining 4-pair PoE with Higher PowerLevels than 802.3at PoE+• Interest in Achieving 100W Power
Deliver at the PD• Comply to the Limited Power Source &SELV Requirements Defined in ISO/IEC
60950
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IEEE 802.3bt Project PoE++• Support up to 10GBASE-T• Support a Minimum of 49 Watts at thePD• Define pair-to-pair Imbalance in theCabling• Backwards Compatibility with 802.3atPDs.

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IEEE Project 802.3bu PoDL
• Parallel with 802.3bp• Provide Power over 1 pair
• Power not defined yet

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End to End Link
• Began in IEC/SC65C/JWG10 ~ 5 yearsago.
• Problem Statement•
Current Standards for Channel do notDefine Cable in the Back end of the Two
End Plugs of a Channel• This Project Liaison with
ISO/IEC/JTC1/SC25/WG3 (JMTG)• Provide Modeling and Test Schedules for
E2E Link
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E2E Link Continued• NWIP in ISO/IEC Was Circulated
Earlier This Year
• Comments to NWIP Addressed inFebruary Meeting in Japan.
• Modeling of Link is to be Completed29

Thank YouQuestions?

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