OPC UA Server & Client · Offline Engineering Mars 2019 Siemens Suisse SA. Non restreint Siemens SA 2019 Siemens Suisse SA ... Required licence SIMATIC OPC UA S7-1500 Small SIMATIC

www.siemens.de/tia-portalNon restreint © Siemens Suisse SA 2019

OPC UA Server & ClientSiemens @ CERN – September 2019

Non restreint © Siemens SA 2019

OPC UA on the S7-1500The standard open I4.0/IoT interface for a simple and secure integrtion

OPC UA Data Access Server

S7-1500, 1500S, 1500TET 200SP CPU, PLCSIM Adv.

Connection of any third-partydevice to the S7-1500

Symbolic access to theoptimized or absolute addressesof the PLC data

Embedded security(authentication, signature et cryptedcommunication)

Online Browsing andOffline Engineering

Mars 2019 Siemens Suisse SA

Non restreint © Siemens SA 2019Siemens Suisse SA

OPC UA ServerFirst steps

S7-1500 OPC UA server – 1st steps

Mars 2019

Server activation

Setting the access to the tags

Browsing with UA Expert client

Read with UA Expert client


OPC UA ServerFunctional scope

Browse

• Browsing of PLC data • Dynamic adaptation of the client configuration tothe data provided by a server

OPC UAserver

Browse

Browse requestNode ID = 84 (root folder), BrowseDirection = forward

Browse responseNode ID, browse name, display name, node class, type def

Mars 2019



Read

• Symbolic read access to PLC data

OPC UAserver

Data access

Read requestNode ID = "DB1"."myArray“

Read responseValue = “11110000”, Timestamp = 10/29/2018 3:15pm, Status = Good

11110000

DB1.myArray

11110000

DB1.myArray

11111111

DB1.myArray

Mars 2019



Write

• Symbolic write access to PLC data

OPC UAserver

Write requestNode ID = "DB1"."myArray“, Value = “11111111”,

Write responseStatus = Good

11110000

DB1.myArray

11110000

DB1.myArray

11111111

DB1.myArray

11111111

DB1.myArray

ü

Mars 2019



Registered Read (Write)

• Repeated access to PLC data

OPC UAserver

Data access

Read requestNode ID = "123456789"

Read responseValue = “11110000”, Timestamp = 10/29/2018 3:15pm, Status = Good

11110000

DB1.myArray

11110000

123456789

Register Node request Node ID = "DB1"."myArray“

Register Node response Node ID = “123456789"

Improved performance with repeatedaccess (see Read / Write)

Node ID: "123456789“Memory: 16# ABCD_01234

11111111

123456789

Node ID: "DB1". "myArray"Node ID: "123456789"

Mars 2019


Influence of securityRead / Registered Read

OPC UA ServerPerformances comparison between Read & Registered Read, Security

Mars 2019 Siemens Suisse SA

1516

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

2750

3000

3250

100 500 1000 Struct of 1000 Array of 1000

Time [ms]

Items[DINT]

Read avg. Registered Read avg.

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

2750

3000

100 500 1000 Struct of 1000 Array of 1000

Time [ms]

Items[DINT]

Read avg. None 1516 Read avg. Basic256Sha256 Sign&Encrypt 1516

50%Communication load

These are measurement example that may differ from your application.

Non restreint © Siemens SA 2019Mars 2019 Siemens Suisse SA

0

1000

2000

3000

4000

5000

6000

7000

8000

20% 25% 30% 35% 40% 45% 50%

Time [ms]

Commload

Read 1516 avg. Reg. Read avg. 1516

Communication load

Every read contains 1000 single items

0

500

1000

1500

2000

2500

3000

3500

4000

BOOL DWORD REAL LREAL DINT STRING[254]

WSTRING[254]

Time [ms]

Datatype

Read 1516 avg. Reg. Read avg. 1516

50%Communication load

Data type

1516

These are measurement example that may differ from your application.

OPC UA ServerPerformances comparison – communication load and data type



Subscribe

• Load reduction for HMI / Monitoring applications

OPC UAserver Subscribe request

Node ID = „DB1“.“myArray“, Publishing interval = 5s, Sampling interval = 1s

11110000

DB1.myArray

11110000

DB1.myArray

Sampling

Publishing

11111111

DB1.myArray

Publish response11111111

DB1.myArray

Publish responseValue = “11111111”, Timestamp = 10/29/2018 3:15pm, Status = Good

Publish responseValue = “11110000”, Timestamp = 10/29/2018 3:15pm, Status = Good

Publish requestSampling Queue

11110000

DB1.myArray

11111111

DB1.myArray

Load reduction for monitoring use cases(Compared to polling)

• Absolute Filters possible

Mars 2019


Call requestNode ID = “instDrive".“Method“, InputArguments: [ DriveSpeed = “99999” ]

Call responseOutputArguments: [ ] Status = BadInvalidArgument

Siemens Suisse SA


Methods

OPC UAserver

Call requestNode ID = “instDrive".“Method“, InputArguments: [ DriveSpeed = “1000” ]

Call responseOutputArguments: [ ] Status = Good

DriveMethod FB

SetDriveSpeed

RPM: 0RPM: 1’000

• Consistent data transmission • Request based interaction with the user program

Mars 2019



Methods

• Consistent data transmission

Mars 2019

• Request based interaction with the user program


OPC UA ServerMethods functions

Use of methods

Mars 2019

Programming methods

Method call with UA Expert



Companion SpecificationStandard SIMATIC interface User defined interface Standardized interface

Mars 2019

• Standardized OPC UA interfaces • Information modelling


OPC UA ServerFunctional scope - Companion Specification / SiOME

Companion Specification - SiOME

• Standardized OPC UA interfaces • Information modelling

BD

InstanceBD

Mapping

https://support.industry.siemens.com/cs/us/en/view/109755133

Instance / Models> On specifications basis

ImportationTypes selonspécificatio

n

ExportationTypes, instances, mapping

Mars 2019


OPC UA ServerCompanion Specification functions

Use of Companion Specification

Mars 2019

Create his own interface with SiOME

Mapping with the user program

Display the new interface in UA Expert


S7-1500 OPC UA ServerFeature Set

Browsing ofSPS-Data

Brow

se R

espo

nse

Brow

se R

eque

st

Acyclic access todata

R/W

Res

pons

e

R/W

Req

uest

High performancewith repeatedacyclic access

R/W

Res

pons

e

R/W

Req

uest

Nod

e H

andl

es

Reg

iste

ring

Nod

es

Load reduction forHMI / monitoringapplications

Publishing

Consistent data transferthrough function call(no handshakes)

Cal

l Res

pons

e ( )

Cal

l Req

uest

( )

Informationmodeling

Browsing Read/Write RegisteredRead/Write

Subscription Methods CompanionSpecifications

Client Client Client Client Client Client

Server Server Server Server Server Server

Sampling

Page 17

Non restreint © Siemens SA 2019DF FA S SUP E&C

OPC UA Data Access Client (S7-1500)Customer use cases

Vertical Line Integration: e.g. MES, SCADA Industry Standard Support

CompanionSpecifications& Methods

Method

Object

Variable

Variable – Property

Machine

PLC

MachineMachine

PLC

OPC UAServer

OPC UAClient

OPC UAClient

11 September, 2019


OPC UA ClientFeatures Set

Registered Read / Write

(Registered) acyclic access todata

Client

R / W Request

R / W Response

Server

Methods call

Consistent data transfer

Client

Call Request

Call Response

Server

Siemens Suisse SAMars 2019


Client OPC UAS7-1500 client program

Preparation Execution Closing


OPC UA ClientStep by step

Using the S7-1500 OPC UA Client

Mars 2019

Activate the client

Add a client interface

Declare and paremeter the «client» FBs


OPC UA SecuritySecurity

Siemens Suisse SAMars 2019

• Different level and combination ofsignature and encryption possible

• Automatic authentication of theclient by means of certificates

• TIA Portal provides a project wide• certification authority (CA)

• Authentication by user possible


OPC UALicences

CPU ET 200SP CPU 1510SP/1512SPS7-1500 up to CPU15131515SP (Open Controller)included F & T

ET 200pro CPU 1516proS7-1500 CPU 1515/1516Soft PLC 1507Sincluded F & T

S7-1500 CPU 1517/1518Soft PLC 1508Sincluded F & T

Required licence SIMATIC OPC UAS7-1500 Small

SIMATIC OPC UAS7-1500 Medium

SIMATIC OPC UAS7-1500 Large

Article number

Download

6ES7823-0BA00-1BA0List price 110.- €*

6ES7823-0BA00-1CA0List price 220.- €*

6ES7823-0BA00-1DA0List price 330.- €*

6ES7823-0BE00-1BA0List price 100.- €*

6ES7823-0BE00-1CA0List price 200.- €*

6ES7823-0BE00-1DA0List price 300.- €*

*List price - march 2019Mars 2019 Siemens Suisse SA


Thank you for your attention

Michel AvondetTechnical Account Manager for CERN

Av.des Baumettes 51020 Renens

Téléphone: +41 585 584 712

E-mail:[email protected]

siemens.ch

Documents

OPC UA Server & Client · Offline Engineering Mars 2019 Siemens Suisse SA. Non restreint Siemens SA 2019 Siemens Suisse SA ... Required licence SIMATIC OPC UA S7-1500 Small SIMATIC