4. PROFIBUS DP and PA network design - Andy Smith

Andy Smith – Endress+Hauser Ltd

PROFIBUS DP/PA network design

2 PROFIBUS UK 2 Andy Smith Endress+Hauser Ltd © 2017

With PROFINET is PROFIBUS DP/PA still relevant?

Coupler / Link

PROFIBUS-DP

PROFIBUS PA

Proxy

PROFINET

PROFIBUS PA

In the long view PROFIBUS DP will be replaced by PROFINET in new projects

PROFINET will become the backbone of PROFIBUS PA

PROFIBUS PA will grow due to its unique strengths in process industries

bus powering of devices

distance – 1900m safe area

designed for use in explosion/hazardous areas - easy application

PA Profile for easy life-cycle management

Today: Tomorrow:

3 PROFIBUS UK

Project delivery process

Operations

Maintenance

Procurement

Logistic Installation

Basic

Engineering

Detailed

Engineering Commissioning

OPEX CAPEX

Architecture & Network Design

Network Maintenance

Design Review Integration & Commissioning

Installation, Test & Verification

Asset Information Management Documents

On-Site Services

Engineering & Design Services

© 2017 Andy Smith Endress+Hauser Ltd


Engineering principles and guidelines

Design documents

Installation guidelines

Commissioning documents

Available on Profibus.com

Some freely available

Some require membership

Documents also available from some manufacturers

Certified training is available


Engineering principles and guidelines

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Example - engineering principles and guidelines

Profibus DP RS 485

Profibus PA MBP Max. 1900 m

UBUS = 24 V I BUS = < 400 mA

Profibus DP RS 485

Profibus PA MBP-IS Max. 1000 m

UBUS = 13,5 V I BUS = < 110 mA for ia / ib IIC


7 PROFIBUS UK 7

Example - engineering principles and guidelines

T

Profibus PA

Profibus DP (RS 485)

1-12 13-14 15-18 19-24 25-32

120 m 90 m 60 m 30 m 1 m

Networks with spur lines

Trunk line

Spur

Max. spur length (each)

No. of nodes


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Network design – system architecture

Physical locations

Location of local panels

Location of each plant device

Single level or on different elevations?

Can devices be grouped?

Cable routing and containment

Ease of commissioning & maintenance

Number of devices in a cell (Each square is 6m x 6m)

Basic plot plan

Segmentation

Andy Smith Endress+Hauser Ltd


Networking components

T T

T T

DP Hubs, repeaters connectors DP / PA gateways, couplers PA junction boxes, segment protectors, cable sets



Segment calculations and design tools


C:/Program Files (x86)/Pepperl+Fuchs/Segment Checker/PFSegPlan.exe


Segment design drawings



Asset management network

Consider asset management early

How do I access my devices?

What’s the impact on the networks?

Used during project commissioning

Simplifies maintenance procedures



Contact details


Endress+Hauser Ltd Andy Smith Business Manager Engineered Solutions

Floats Road Manchester M23 9NF

Phone: 0161 286 5000

Mobile: 07711 214383

E-mail: [email protected]

Web: www.uk.endress.com

mailto:[email protected]

http://www.siemens.com/

4. PROFIBUS DP and PA network design - Andy Smith

Engineering

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