Iec 62769 7 2015

The FDI Commu ication Server implements ph sical commu ication network ac es Commu ication hardware.. g The Information Model re resents the con ection b twe n the ph sical devices s own

Field Device Int egrat ion (FDI) –

Part 7: FDI Communicat ion Devices

Int égrat ion des apparei s de t er ain (FDI) –

Part ie 7: Apparei s de communicat ion FDI

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Field Device Int egrat ion (FDI) –

Part 7: FDI Communicat ion Devices

Int égrat ion des apparei s de t er ain (FDI) –

Part ie 7: Apparei s de communicat ion FDI

FOREWORD 6

INTRODUCTION 8

1 Sco e 9

2 Normative ref eren es 9

3 Terms, def i ition , a breviated terms, acron ms an con ention 10 3.1 Terms an def i ition 10 3 2 Ab reviated terms an acron ms 1

3.3 Con ention for gra hical notation 1

4 General 1

5 FDI Commu ication Pac age 13 5.1 General 13 5.2 EDD 13 5.2.1 General rules 13 5.2.2 Device comp nent 14 5.2.3 Commu icationDevice comp nent 1

5 5.2.4 Commu ication service provider comp nent 16 5.2.5 Con ection Point comp nent 17 5.2.6 Con ection Point col ection 18 5.2.7 Network comp nent 18 5.2.8 Val dateNetwork 19 5.2.9 Val dateMod les 2

5.2.10 UIP sp cif i s 21

5.2.11 De loyment 21

6 Commu ication relation 21

7 FDI Commu ication Server definition 2

7.1 General 2

7.2 General c aracteristic 2

7.3 Inf ormation Model 2

7.3.1 General 2

7.3.2 Commu icationServerTyp 2

7.3.3 ServerCommu icationDeviceType 2

7.3.4 ServerCommu icationServiceTyp 3

7.4 OPC UA Server Profi e for FDI Commu ication Server 3

7.5 Ma pin the FDI Server IM to the FDI Commu ication Server IM 3

7.5.1 General 3

7.5.2 Information Model diff eren es 3

7.6 In tal er 3

7.7 FDI Commu ication Pac age 3

7.7.1 General 3

7.7.2 EDD for Lig tweig t Commu ication Server 3

7.7.3 EDD for Multi-Chan el Commu ication Server 4

7.8.3 Server config ration 41

7.8.4 Start up 4

7.8.5 Sh tdown 4

7.8.6 Watc dog 4

7.8.7 Esta l s the OPC UA con ection 4

7.8.8 In tantiate the Commu ication Server 4

7.8.9 Con g re the commu ication hardware 4

7.8.10 Con g re the Network 4

7.8.11 Parameterize 4

7.8.12 Initial ze 4

7.8.13 Cre te the commu ication service o ject 4

7.8.14 Commu ication relation 4

7.8.15 Con ect 4

7.8.16 Dis on ect 4

7.8.17 Ab rt in ication 4

7.8.18 Scan 4

7.8.19 SetAd res 4

8 FDI Commu ication Gateway def i ition 4

8.1 General 4

8.2 Inf ormation Model 4

8.2.1 General 4

8.2.2 Commu icationGatewayTyp 4

8.2.3 GatewayCommu icationDeviceTyp 4

8.2.4 GatewayCommu icationServiceTyp 5

8.3 FDI Commu ication Pac age 5

8.3.1 General 5

8.3.2 EDD 5

8.4 Han l n an b havior 5

8.4.1 General 5

8.4.2 De loyment 5

8.4.3 Start up 5

8.4.4 Con g re the commu ication hardware 5

8.4.5 Con g re the Network 5

8.4.6 Parameterize 5

8.4.7 Commu ication relation 5

8.4.8 Con ect 5

8.4.9 Dis on ect 5

8.4.10 Ab rt in ication 5

8.4.11 Scan 5

8.4.12 Commu ication Er or Han l n 5

An ex A (informative) L yered protocols 5

A.1 General 5

A.2 Con ention for protocol sp cific an ex cre tion 5

A.2.1 Con ection Point 5

A.3 FDI Commu ication Pac age def i ition 6

An ex B (normative) Namesp ce an Ma pin s 6

Biblogra h 6

Fig re 1 – FDI arc itecture diagram 9

Fig re 2 – FDI commu ication inf rastru ture arc itecture 12 Fig re 3 – Commu ication relation 21

Fig re 4 – Commu ication relation state c art 2

Fig re 5 – FDI Commu ication Server Ad res Sp ce 2

Fig re 6 – Commu icationServerTyp 2

Fig re 7 – ServerCommu icationDeviceTyp 2

Fig re 8 – ServerCommu icationServiceTyp 3

Fig re 9 – Information Model diff eren es (example) 3

Fig re 10 – FDI Commu ication Server state mac ine 41

Fig re 1 – Commu ication relation state c art 4

Fig re 12 – Gateway inf ormation model 4

Fig re 13 – Commu icationGatewayTyp 4

Fig re 14 – GatewayCommu icationDeviceTyp 4

Fig re 15 – GatewayCommu icationServiceTyp 51

Fig re 16 – Nested Commu ication 5

Ta le 1 – Val dateNetwork Action arg ments 2

Ta le 2 – Val dateMod les Action arg ments 2

Ta le 3 – Commu icationServerTyp def i ition 2

Ta le 4 – MethodSet of Commu icationServerTyp 2

Ta le 5 – Reset Method arg ments 2

Ta le 6 – Reset Method Ad res Sp ce definition 2

Ta le 7 – Initial ze Method arg ments 2

Ta le 8 – Initial ze Method Ad res Sp ce def i ition 2

Ta le 9 – Ad Comp nent Method arg ments 2

Ta le 10 – Ad Comp nent Method Ad res Sp ce definition 2

Ta le 1 – RemoveComp nent Method arg ments 2

Ta le 12 – RemoveComp nent Method Ad res Sp ce definition 2

Ta le 13 – ServerCommu icationDeviceTyp definition 3

Ta le 14 MethodSet of ServerCommu icationDeviceTyp 3

Ta le 15 – Scan Method arg ments 31

Ta le 16 – Scan Method Ad res Sp ce definition 31

Ta le 17 – ResetScan Method arg ments 31

Ta le 18 – ResetScan Method Ad res Sp ce def i ition 3

Ta le 19 – SetAd res Method arg ments 3

Ta le 2 – Tran fer Method arg ments 3

Ta le 2 – GetPubl s edData Method arg ments 3

Ta le 2 – FDI Commu ic tionServ r_Fac t definition 3

Ta le 2 – Commu icationGatewayTyp def i ition 4

Ta le 2 – GatewayCommu icationDeviceTyp definition 4

Ta le 2 – MethodSet of GatewayCommu icationDeviceTyp 4

Ta le 3 – Scan Method arg ments 4

Ta le 31 – Scan Method Ad res Sp ce def i ition 4

Ta le 3 – ScanNext Method arg ments 5

Ta le 3 – ScanNext Method Ad res Sp ce definition 5

Ta le 3 – GatewayCommu icationServiceTyp definition 51

Ta le 3 – MethodSet of GatewayCommu icationServiceTyp 5

Ta le 3 – Con ect Method arg ments 5

Ta le 3 – Tran fer Method arg ments 5

INTERNATIONAL ELECTROTECHNICAL COMMISSION

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FIELD DEVICE INTEGRA TION (FDI) –

Part 7: FDI Communication Devices

1 Th Intern tio al Ele trote h ic l Commis io (IEC) is a worldwid org niz tio for sta d rdiz tio c mprisin

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th later

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International Stan ard IEC 6 7 9-7 has b en pre ared by s bcommite 6 E: Devices an

integration in enterprise s stems, of IEC tec nical commite 6 : In u trial-proces

me s rement, control an automation

The text of this stan ard is b sed on the f ol owin doc ments:

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The International Electrotec nical Commis ion (IEC) draws at ention to the fact that it is

claimed that compl an e with this doc ment may in olve the u e of p tents con ernin

a) Method for the Sup lyin an In talation of Device-Sp cif i Fu ctionalties, se Patent

F mi y DE10 5 2 6;

b) Method an device f or ac es in a f un tional mod le of automation s stem, se Patent

F mi y EP218 418;

c) Method an a p ratu to red ce memory req irements for proces control s stem

software a plcation , se Patent Fami y US2 132 218 ;

d) Exten ible Device Object Model, se Patent Fami y US12/8 3,6 0

IEC takes no p sition con ernin the eviden e, val dity an s o e of this p tent rig t

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FIELD DEVICE INTEGRA TION (FDI) –

Part 7: FDI Communication Devices

This p rt of IEC 6 7 9 sp cifies the elements implementin commu ication ca a i ties cal ed

Commu ication Devices (IEC 6 7 9-5)

The overal FDI arc itecture is i u trated in Fig re 1 The arc itectural comp nents that are

within the s o e of this doc ment have b en hig l g ted in this i u tration The doc ment

s o e with resp ct to FDI Pac ages is l mited to Commu ication Devices The Commu ication

Server s own in Fig re 1 is an example of a sp cific Commu ication Device

Figure 1 – FDI arc ite ture dia ram

The f ol owin doc ments, in whole or in p rt, are normatively ref eren ed in this doc ment an

User Int erac e Serv ic es

Plaorm UI Serv ic es

(Draw in , Input Dev ic es)

Spc ified b t his prt of t his Int ernat ional St an ard

Spc ified b ot her prt s of t his Int ernat ional St an ard

Not spc ified b t his Int ernat ional St an ard

IEC 618 4-3, F un tion blo ks (FB) for pro es c ntrol a d El ectro ic De ic Descriptio

L n u g (EDDL) – Part 3: EDDL sy tax a d sema t ics

IEC 618 4-4, F un tion blo ks (FB) for pro es c ntrol a d El ectro ic De ic Descriptio

L n u g (EDDL) – Part 4: EDD interpret at ion

IEC 6 5 1 (al p rts), OPC U nified Arc itect ure

IEC TR 6 5 1-1, OPC U nified Arc itecture – Part 1: Overview and Co c pts

IEC 6 5 1-4, OPC Unified Arc itecture – Part 4: Servic s

IEC 6 5 1-6, OPC Unified Arc it ecture – Part 6: Map in s

IEC 6 5 1-7, OPC Unified Arc itecture – Part 7: Profil es

IEC 6 5 1-10 , OPC U nified Arc it ecture – Part 10 : OPC UA for Devic s

IEC 6 76 -1, F ield De ic I nt egrat ion (FDI) – Part 1: Ov rview

3.2 Abbre iate terms a d a ronyms

For the purp ses of this doc ment, the a breviated terms an acron ms given in IEC 6 7 9-1

3.3 Conv ntion f or graphic l notation

This doc ment u es the gra hical notation def i ed in IEC 6 7 9-5

The a stract term FDI Commu ication Device re resents an entity implementin

commu ication fu ction over a network u in a sp cific protocol The group of FDI

Commu ication Devices spl ts into two main groups

a) The FDI Commu ication Server is a dedicated OPC UA Server providin ac es to one or

more field device network The FDI Commu ication Server is sp cified in Clau e 7

b) The FDI Commu ication Gateway ena les to brid e b twe n dif ferent ph sical network

or diff erent protocols The brid in bu ines logic is implemented in the EED comp nent

that is provided with an FDI Commu ication Pac age The FDI Commu ication Gateway is

sp cified in Clau e 8

NOT Th main diff ere c s b twe n a Gatewa a d a Commu ic tio Serv r are:n terms of FDI th FDI

Commu ic tio Serv r is a d dic te OP U Serv r pro idin a c s to o e or more f i ld d vic n twork A

Gatewa is a c mmu ic tio d vic th t e a le to brid e b twe n dif fere t p y ic l n twork or dif fere t

proto ols Th lo ic l re re e tatio of a Gatewa d vic within th FDI Serv r h ste Informatio Mo el e a le

th FDIServ r to pro e s c mmu ic tio in h tero e e u n twork to olo ie

Figure 2 – FDI communic tion inf ra tructure arc ite ture

The FDI Server hosted Information Model contain a re resentation of the network to olog

(se also IEC 6 7 9-5) The Information Model s own in Fig re 2 is an example ex erpt to

i u trate how the Inf ormation Model u ed elements reflect the actual network to olog

a) The in tan e of Commu icationServerTyp (named Commu icationServerName)

re resents the FDI Commu ication Server The FDI Commu ication Server implements

ph sical commu ication network ac es (Commu ication hardware) Clau e 7 des rib s

related Information Model sp cific , req ired FDI Commu ication Pac age content an

han l n of elements therein (For s bdevices se IEC 62 6 -5)

b) The in tan e of ServerCommu icationDeviceTyp an ServerCommu ication-ServiceTyp

(named Network_B_Chan el) ma s to the FDI Commu ication Server implemented

Com u nictioServrTy :

Com unic tio Serv rName

Su Dev ic es

Su Dev ic es

ServrCo mm unictio nServiceTy :

Communic tio Servic Pro ider_B

GatewayCom u nictioServiceTy :

Com u ic tio Servic Pro vider_G

d) The in tan e of GatewayCommu icationDeviceTyp (named Mod le 1) ma s to a ph sical

or logical mod le ena ln commu ication to the network to whic this mod le is

con ected The GatewayCommu icationDeviceTyp is sp cified in 8.3.2.3 The related

Gateway sp cific are des rib d in Clau e 8

Commu icationServiceProvider_G) re resents the Gateway ’ a i ty to proces

GatewayCommu icationServiceTyp is b sed on Bu ines L gic that ena les to ru

commu ication services in heterogene u commu ication network

f ) A commu ication relation (more detai s are des rib d in Clau e 6) b twe n a phy ical

device an the device re resentation managed by the FDI Server is alway as ociated to

GatewayCommu icationServiceTyp or ServerCommu icationServiceTyp The a i ty of

in tantiatin multiple commu ication service o jects s p orts protocols ena les to o erate

multiple logical con ection b twe n a bu master an a device

g) The Information Model re resents the con ection b twe n the ph sical devices s own on

the lef t side of Fig re 2 b sed on in tan es of Con ectionPointTyp NetworkTyp an the

de icted relation Con ectionPointTyp an NetworkTyp are sp cif ied in IEC 6 7 9-5

The EDD elements as sp cified in IEC 6 7 9-4:2 15, An ex F, an provided with an FDI

Commu ication Pac age s al des rib :

a) Parameter an p rameter stru tures Man atory protocol sp cific p rameter definition

are fou d in IEC 6 7 9-4:2 15, An ex F The p rameter s al contain an p rameter that

req ires adju tment f or pro er commu ication service o eration

b) Phy ical L yer identification Protocol sp cif i definition are foun in IEC 6 7 9-4:2 15,

An ex F

c) Commu ication devices mod larity: The mod larity information s al b b sed on u in

the EDDL con tru ts COMPONENT (se IEC 618 4-3)

FDI en ision commu ication device mod larity to co e with commu ication hardware

providin multiple ph sical or logical commu ication c an els to ac es multiple logical or

ph sical commu ication network Eac mod le element of the whole commu ication

device s al b des rib d by a se arate EDD element

d) The COMPONENT definition s al b u ed to s p ort the s stem implemented to olog

config ration Protocol sp cific definition are fou d in IEC 6 7 9-4:2 15, An ex F The

related COMPONENT def i ition are des rib d in 5.2.2, 5.2.3, 5.2.4, an 5.2.7

e) The Bu ines L gic s al contain a method ena led to val date the network (se 5.2.8)

The val dation fu ction con iders the elements only directly con ected to the network The

val dation fu ction s al b ref er ed by the EDDL sp cified CHECK_CONFIGURATION

valdation fu ction s al b refer ed by the EDDL sp cified CHECK_CONFIGURATION

atribute

g) Con ection Point data: The Con ection Point (se 5.2.4 an 5.2.6) s al b des rib d

COMPONENT def i ition as ociates the Con ection Point element to the Commu ication

Device The VARIABLE definition re resent the pro erties of a sp cific Con ection Point

The COL ECTION re resents the Con ection Point stru ture as s c Protocol sp cific

definition are fou d in IEC 6 7 9-4:2 15, An ex F

2) To olog Config ration Dialog s al b made avai a le by me n of the men entry

p int “ o ology_config ration” Protocol sp cific definition are fou d in IEC 6 7 9

M INIM UM _NUMBER <m inNum be >;

M A XIM UM _NUMBER <m axNum be >;

}

< evi e om po e tId>: The COMPONENT identif ier identifies the comp nent des ription for

the device typ

< a e >: The strin value s al contain a strin that al ows a h man u er to determine the

The at ribute C M PO E T_R ELA TIO S al ows to des rib how mod les can b con ected The

definition of the C M PO E T_ R ELA TIO S is o tional If u ed it s al des rib the relation to

the Commu icationDevice definition The con tru t ena les to p rf orm generic, FDI Server

driven (device) to olog con g ration Sy tax detai s are des rib d in IEC 618 4-3 The

s bseq ent text des rib s the semantic u e of the C M PO E T_R ELA TIO con tru t

< om m un c t o D vi eR el t o Id>: The at ribute value identifies the

COMPONENT_RELATION definition des ribin the relation b twe n the device comp nent

an the Commu icationDevice comp nent

< om m un c t o D vi e om po e tId>: The at ribute value has to matc with a

COMPONENT identifier u ed in a COMPONENT declaration that des rib s a

Commu icationDevice (se 5.2.3)

< u o r a e : The at ribute value des rib s the n mb r of Commu icationDevice

comp nents that can b automatical y in tantiated with the Device comp nent

<m in um be >/<m ax um be >/< u o r a e : The at ribute values define the in tantiation

con traints The def i ition of these at ributes is o tional The at ribute values can contain

con itional expres ion

The R ELA TIO _TY E s al b set to C M PO E T_CHIL

<A ddr s V ar : The atribute value is a referen e to a V A R IA BL declaration This V A R IA BL

hold the ad res value for a Commu icationDevice in tan e The definition of this atribute is

o tional

<A ddrM in /<A ddrM ax : Values define the ad res value ran e for a Commu icationDevice

in tan e The value may for example cor esp n to a ph sical slot n mb r Usage of

atributes ADDRESSING an REQUIRED_RANGES ena les generic con g ration routines

5.2.3 Communic tionDe ic compone t

Eac FDI Commu ication Pac age s al contain at le st one EDD element des ribin at le st

one Commu icationDevice comp nent A mod lar commu ication hardware stru ture s al b

des rib d by multiple Commu icationDevice COMPONENT des ription :

C M PONENT < omm un c t o Devi e om po e t d>

LA BE "R el t o b twe n C m m un c t o Devi e a d c m m un c t o s rvi e p ovide ";

R ELA TI N_TY E C I D_COM PONENT;

< om m un c t o D vi e om po e tId>: The COMPONENT identifier identif ies the

Commu icationDevice comp nent

< a e >: The strin value s al contain a h man re da le strin that al ows a u er to e si y

determine the fu ction of the Commu icationDevice comp nent

< a D l t >: Al owed values are TRUE or FALSE It de en s on whether a

Commu icationDevice ne d explcit con g ration or whether the related commu ication

service provider o ject s al b automatical y in tantiated with the Commu icationDevice If

the at ribute CA N_ DE E E is set to FA LS the Commu icationDevice config ration is static

The def i ition of the C M PO E T_R ELA TIO S is man atory It des rib s the relation to the

commu ication service provider definition The con tru t ena les the FDI Server to in tantiate

commu ication service provider comp nents ac ordin to commu ication proces in

deman s (Sy tax detai s are des rib d in IEC 618 4-3.) The s bseq ent text des rib s the

semantic u e of the C M PO E T_R ELA TIO con truct

< om m un c t o S rvi e r vide R el t o Id> The at ribute value identif ies the

COMPONENT_RELATION definition as s c

< om m un c t o S rvi e r vide Id>: The at ribute value has to matc with a

COMPONENT identifier u ed in a COMPONENT declaration that des rib s a commu ication

service provider (5.2.4)

< u o r a e : The at ribute value des rib s the n mb r of commu ication service providers

that can b automatical y in tantiated with the Commu icationDevice comp nent

The R ELA TIO _TY E s al b set to COM PO E T_ CHIL

The PR OT C L at ribute s al not b set

5.2.4 Communic tion s rvic provider comp ne t

Eac FDI Commu ication Pac age des ribin a Commu ication Device s al contain at le st

one EDD element des ribin the commu ication service provider The EDD comp nent s al

not def i e an config ration p rameter

C M PONENT < omm un c t o S rvi e r vide Id>

{

LA BE "< a e >";

B T _OR DER < yt O de >;

CA N_DE E E < a De e e ;

C A SS FI ATI N NE WOR K_COM M UNI A TI N_SER V IC _PR OV IDER ;

C M PONENT_R ELA TI NS < om m un c t o S rvi e r vide s o n c i n o n R el t o Id>

< om m un c t o S rvi e r vide Id>: The COMPONENT identifier identif ies the

commu ication service provider

< a e >: The strin value s al contain a h man re da le strin that al ows a u er to e si y

determine the fu ction of the commu ication service provider o ject

< a D l t >: Al owed values are TRUE or FALSE It de en s on whether a commu ication

service provider can b f lexibly in tantiated ac ordin to the commu ication proces in

deman s If the at ribute CA N_ DE E E is set to FA LS the n mb r of commu ication service

provider comp nent in tantiation is static The in tantiation con traints declared throu h the

at ributes AUTO_CREATE, MINIMUM_NUMBER an MAXIMUM_NUMBER cor esp n to the

ca a i ties of c r ently s p orted protocols

< yt O de >: The value ena les generic integration of n-byte data typ s (e.g 4-byte Integer)

into the commu ication mes age p ylo d The atribute value des rib s the byte order an

s al b either BIG_ENDIAN or LITTLE_ENDIAN

The def i ition of the C M PO EN _ R ELA TIO S is man atory It des rib s the relation to the

Con ection Point definition The con tru t ena les to p rf orm generic, FDI Server driven

to olog config ration (Sy tax detai s are des rib d in IEC 618 4-3.) The s bseq ent text

des rib s the semantic u e of the C M PO E T_ R ELA TIO con tru t

The Con ection Point s al automatical y b in tantiated with the commu ication service

provider an there s al b exactly one (1) Con ection Point in tan e con ected to the

commu ication service provider The in tantiation con traints declared throu h the atributes

AUTO_CREATE, MINIMUM_NUMBER an MAXIMUM_NUMBER cor esp n to the

ca a i ties of c r ently s p orted protocols

< om m un c t o S rvi e r vide sC n e t o P i tR el t o Id> The at ribute value

identifies the COMPONENT_RELATION declaration as s c

< o n c i n o n Id>: The atribute value has to matc with a COMPONENT identifier u ed

f or a COMPONENT declaration that des rib s a Con ection Point (se 5.2.5)

The R ELA TIO _ TY E s al b set to C M PO E T_CHIL

The PR OT C L at ribute s al not b set

5.2.5 Conne tion Point compon nt

Eac FDI Commu ication Pac age des ribin a Commu ication Device s al contain one

EDD element des ribin one Con ection Point f or e c of the protocols that are s p orted by

the Commu ication Device:

C M PONENT < o n c i n o n Id>

{

LA BE "< a e >";

< o n c i n o n Id>: The COMPONENT identifier identifies the Con ection Point

comp nent declaration

< a e >: The strin value s al contain a strin that al ows a h man u er to determine the

f un tion of the Con ection Point comp nent

< r t c lID : The value of this atribute in icates the commu ication ca a i ty whic

al ows the FDI Server to fin other device typ s that can be con ected to the network u in

the same typ of protocol For stan ardized protocols the value is defined by the related field

bu organization

< o n c i n o n C l e t o Id>: The atribute value is a referen e to a COL ECTION

declaration that des rib s the data stru ture of the Con ection Point as des rib d in 5.2.6

5.2.6 Conne tion Point col e tion

Eac EDD des ribin the Con ection Point of a commu ication device s al des rib the

COL ECTION element that des rib s the at ributes that s al a p ar in the Information Model

re resentation of the Con ection Point The protocol sp cific data exp sed by the Con ection

Point identifies the device typ an its network ad res

<A ddr s A tt i u eNam e> <A ddr s A tt i u eV ar a l Id>;

V A LID <V A LID_V ar a l Id>;

}

}

< o n c i n o n C l e t o Id>: The identifier of the COL ECTION is ref er ed by the

CONNECTION_POINT at ribute value defined in 7.7.3.5

< a e >: The la el identifies the Con ection Point in a h man re da le way

<A ddr s A tt i u e am e>/<A ddr s A tt i u eV ar a l Id>: The MEMBER section refers

to the VARIABLE definition des ribin the ad res at ributes implemented by a Con ection

Point The content of the MEMBER section is protocol specific

<V A LID /<V A LID_V ar a l Id> is a Col ection memb r refer in a Bo le n VARIABLE

holdin the val dation statu that s al b set by the Val dateNetwork Action (se 5.2.8)

5.2.7 Network comp ne t

Eac FDI Commu ication Pac age des ribin a Commu ication Device s al contain one

EDD element des ribin one Network for e c of the protocols that are s p orted by the

Commu ication Device The definition s p orts the network to olog en ine rin :

C M PONENT_R ELATI N <Ne wo ks o n c i n o n R el t o Id>

< a e >: The strin value s al contain a h man re da le strin that al ows a u er to e si y

determine the fu ction of the Network comp nent

<V al da e : The Value refers to the METHOD implementin the network to olog

config ration valdation f un tion (se 5.2.8)

< r t c lID : The value of this at ribute al ows the FDI Server to f i d other device typ s

that can b con ected to the network u in the same typ of protocol For stan ardized

protocols the value is defined by the related fieldbu organization

The definition of the C M PON N _R ELA TIO S is man atory It des rib s the relation to the

Con ection Point definition an by that the ca a i ties of a network The con tru t ena les to

p rorm generic, FDI Server driven network to olog config ration Sy tax detai s are

des rib d in IEC 618 4-3 The s bseq ent text des rib s the semantic u e of the

C M PO E T_ R ELA TIO con tru t

< e wo ksC n e t o P i tR el t o Id> The at ribute value identifies the

COMPONENT_RELATION definition

< o n c i n o n Id>: The atribute value has to matc with a COMPONENT identifier u ed

f or a COMPONENT declaration that des rib s a Con ection Point (se 5.2.4)

<m ax um be : The at ribute value l mits the n mb r of Con ection Points that can b

con ected to the network The atribute values can contain con itional expres ion

The R ELA TIO _ TY E s al b set to C M PO E T_CHIL

< usA ddr s V ar : The at ribute value is a ref eren e to a V A R IA BL declaration This

V A R IA BL hold the network ad res value f or any device that is con ected to the network

< usA ddrM in /< usA ddrM ax : Values define the network ad res value ran e

neces ary de en en ies related to bu p rameters The implementation of related EDDL

logic is b sed on the EDDL Bui t-in f un tion ObjectRef eren e, whic ena les to analy e a set

of c i d in tan es (Con ection Point in tan es) The valdation logic s al set the <VALID>

at ribute of the Con ection Point in tan e that has p s ed the val dation

The implementation of ValdateMod les is o tional if the mod le setup is either static or if the

config ration rules defined in the COMPONENT con tru t are s f ficient to con g re the

Table 1 – Val dateNetwork Action arg me ts

th Servic Eror re ult u in th “ eturn” stateme t

ErorMe s g If th meth d return a empty strin (N L ) th Actio c l s c e d d In c s of

a eror th Actio c n return a pro lem d s riptio

5.2.9 Val dateModule

The method ValdateMod les val dates the c r ent mod le setup The implementation of the

related EDDL logic is b sed on the EDDL Bui t-in fu ction ObjectReferen e, whic ena les to

analy e a set of c i d in tan es The implementation of ValdateMod les is o tional if the

mod le setup is either static or if the config ration rules defined in the COMPONENT

con tru t are s ff i ient to config re the mod le setup

NOT Th d cisio wh th r Vald teMo ule is n e e or n t is v n or s e ific

Ta le 2 s ows the Val dateMod les Action Arg ments

Signature

ValidateModule (

[ou ] Inte e servic Er o ,

[ou ] S ri g E ro Messag );

Table 2 – Val dateModule Action argume ts

Servic Eror 0: OK

- : Faie / th Co n ctio Point th t did n t p s th v ld tio is in ic te b th <V LID>

atrib te ( v lu s t to fals

5.2.10 UIP spe ific

The FDI Commu ication Pac age can contain the UIP to s p ort e.g diag ostic an

p rameterization

5.2.1 Deployme t

The FDI Server imp rts the FDI Commu ication Pac age The han l n of EDD an UIP p rts

matc es with the imp rt proced re p rormed for the FDI Pac age (se IEC 6 7 9-2 an

IEC 6 7 9-3)

6 Communication relations

The purp se of a commu ication device an its commu ication services is to ex han e

information b twe n the ph sical device an the device re resentation managed by the FDI

Server The information ex han e is managed via commu ication relation , se Fig re 3 An

esta ls ed commu ication relation re resents the ca a i ty to ex han e information

b twe n the FDI Server managed device re resentation an the ph sical device The u e of a

Commu ication Relation al ows a stractin f rom protocol sp cific typical y u ed to manage

con ection

Figure 3 – Communic tion relation

NOT 1 Th c re of informatio e c a g h p e s b twe n th p y ic l n twork c n e te d vic a d th

c re p n in in ta c within th Inf ormatio Mo el b t d e n t c v r th c mplete d vic a plc tio

ServrCo mmunictioD evicTy :

Communic tio D evic Name

ServrCom unictioServicTy :

Communic tio Servic Provider_B

Com uictio nServrTy :

Com unic tio ServerName

SubDev ic es

The “Ab rtIn ication” s own in Fig re 4 can b detected in diff erent protocol sp cif i way

The one sp cif ied for an commu ication device is b u d to the serviceEr ors returned by the

sp cified commu ication services Even the Scan method can determine a con ection los ,

when the device f or whic a commu ication relation has b en activated do s not a p ar in a

s an res lt

Figure 4 – Communic tion relation state c art

NOT 2 Th ma a eme t of c mmu ic tio relatio s is o tio al

7 FDI Communic tion Serv r def inition

In terms of FDI the FDI Commu ication Server is a dedicated OPC UA Server providin

ac es to one or more f ield device network Eac FDI Commu ication Server is model ed as

a Mod lar Device where e c mod le (also caled Commu icationDevice in the seq en e)

re resents the ac es p int to one network

The Mod lar Device itself re resents the FDI Commu ication Server as a whole

7.2 Ge eral c ara teristic

The FDI Commu ication Server implements c aracteristic f or e c of its

Commu icationDevices sp cified in 7.3.3 Ad itional y, an FDI Commu ication Server

implements the f olowin c aracteristic :

• The FDI Server alway s n hronizes (se 7.5, 7.8.8, an 7.8.1 ) the FDI Commu ication

Server hosted Information Model f om the FDI Server hosted Information Model content

• Commu icationDevices can b statical y in tantiated or they can b cre ted/deleted by the

FDI Server

• Commu ication b twe n the FDI Server an the FDI Commu ication Server is b sed on

OPC UA OPC UA sp cif ies a wire protocol f or its services that can b implemented on

arbitrary platf orms an ru time en ironments

• To avoid race con ition , the FDI Commu ication Server only al ows one FDI Server b in

7.3 Inf ormation Mod l

Subclau e 7.3 sp cifies the FDI Commu ication Server hosted Inf ormation Model

An FDI Commu ication Server is an OPC UA Server that en a s lates commu ication

hardware an provides stan ardized commu ication a i ty The FDI Server con ects to the

FDI Commu ication Server as an OPC UA Cl ent an ac es es the network s p orted by the

FDI Commu ication Server via the FDI Commu ication Server inf ormation model The tas of

the FDI Commu ication Server is to exp se this information model The FDI Commu ication

Sever s al not maintain Device In tan es or network to olog information Al interaction with

FDI devices is done throu h the FDI Server an ju t tran fer ed by the FDI Commu ication

Server

For the FDI Server an FDI Commu ication Server lo k l ke a device that s p orts FDI

Commu ication Services an u es OPC UA to commu icate The FDI Commu ication Server

may ru local y on the same PC as the FDI Server (lo p b c ada ter) or remote in the f ield

(e.g emb d ed into a control er) Like a device e c FDI Commu ication Server has an

as ociated FDI Pac age This FDI Pac age is u ed to cre te commu ication devices in the

Inf ormation Model of the FDI Server that re resent ac es to the network implemented by

the FDI Commu ication Server

The Information Model of an FDI Commu ication Server is b sed on the Information Model

defined in IEC 6 7 9-5 Fig re 5 re l cates the Mod lar Device stru ture an i u trates how it

ma s into the overal Ad res Sp ce The mod les re resent the commu ication c an els of

the FDI Commu ication Server

Figure 5 – FDI Communic tion Serv r Addre sSpa e

The Commu icationServerType ( he ro t of the Mod lar Device) is a s btyp of the

DeviceTyp The MethodSet contain the method Initialze, Reset, Ad Comp nent an

RemoveComp nent The method Ad Comp nent an RemoveComp nent are o tional y

present if the FDI Commu ication Server s p orts the d namic in tantiation of elements in

the folder SubDevices

Al s b devices are in tan es of the ServerCommu icationDeviceTyp defined in 7.3.3 The

in tan es of the ServerCommu icationDeviceTyp (ServerCommDevice) have a MethodSet

that can implement the method SetAd res , Scan, Ad Comp nent, RemoveComp nent

Ad Comp nent an RemoveComp nent are o tional y present if the FDI Commu ication

R emov eCompnent

ServrCom unictio n

7.3.2 Communic tionServ rType

The Commu icationServerTyp is a s btyp of the DeviceTyp an provides the method

ne ded to manage the in tan es ServerCommu icationDeviceTyp Fig re 6 s ows the

Commu icationServerTyp definition that is formal y defined in Ta le 3 an Ta le 4

Figure 6 – Commu ic tionServ rType

Table 3 – Communic tionServ rType d finition

Table 4 – MethodSet of Communic tionServ rType

Brows Name Meth dSet

Server cl ents therefore do not have to browse f or these Method They can u e the f i ed

NodeId as the MethodId of the Cal Service

The ad itional Method Ad Comp nent an RemoveComp nent ad the a i ty to ad or

remove in tan es of ServerCommu icationDeviceTyp ac ordin to commu ication hardware

stru ture These services are not a pl ca le if the FDI Commu ication Server implements a

static commu ication hardware stru ture

The SubDevices folder contain in tan es of ServerCommu icationDeviceTyp that re resent

the commu ication mod les

NOT Th in ic tio f or a static c mmu ic tio h rdware la o t is in ic te in th FDI Pa k g with

COMPONENT atrib te C N_DELE E s t to FALS in COMPONENT d claratio s

7.3.2.2 Re et Method

Reset is u ed to reset the commu ication hardware an related driver software An on oin

commu ication wi b sto p d immediately Al commu ication c an els enter the statu

closed

The Method Reset s al not b present in the FDI Server hosted Information Model The FDI

Server s al b a le to han le the s ut-down proced re automatical y ac ordin to

commu ication deman s

Typical y the FDI Commu ication Server o eration in lu es some hardware an protocol

driver han l n that can b in e en ent f rom an mod lar stru ture Becau e of this

p s ibi ty the Reset method is ar an ed u derne th the Commu icationServerTyp For the

purp se of red cin the complexity of FDI Commu ication Server o eration only one Reset

method has b en sp cified

The sig ature of this Method is sp cified b low Ta le 5 an Ta le 6 sp cify the arg ments

an Ad res Sp ce re resentation, resp ctively

Table 6 – Re et Method Addre sSpa e def inition

contained within the in tan e of the Commu icationServerTyp an al in tan es of

ServerCommu icationDeviceTyp

In order to ena le p rameter c an es d rin o eration the Initialze method can b

re-in oked If the FDI Commu ication Server ne d to reset its commu ication hardware, it s al

automatical y restore an commu ication relation that existed A mod lar FDI Commu ication

Server can f lexibly initial ze only those ServerCommu icationDeviceTyp in tan es for whic

config ration c an es have b en detected

The Method Initial ze s al not b present in the FDI Server hosted Inf ormation Model The

FDI Server s al b a le to han le the start proced re automatical y ac ordin to h man

driven commu ication req ests

The FDI Commu ication Server o eration can in lu e some hardware an protocol driver

han l n that can b in e en ent f om an mod lar stru ture Becau e of this p s ibi ty the

Initial ze method is ar an ed u derne th the Commu icationServerTyp F r the purp se of

red cin the complexity of FDI Commu ication Server o eration only one Initial ze method

has b en sp cified

The sig ature of this Method is sp cified b low Ta le 7 an Ta le 8 sp cify the arg ments

an Ad res Sp ce re resentation, resp ctively

Signature

Initial z (

Table 7 – Initial ze Method arg me ts

s

Arg me t Pro ertyTy e Ma d tory

7.3.2.4 AddCompone t Method

Ad Comp nent s al b u ed to con g re the mod lar setup of an FDI Commu ication Server

in case the FDI Commu ication Sever has no statical y defined commu ication hardware

ServerCommu icationDeviceTyp )

The sig ature of this Method is sp cified b low Ta le 9 an Ta le 10 sp cify the arg ments

an Ad res Sp ce re resentation, resp ctively

Table 9 – AddCompone t Method arg me ts

Mo uleTy eName Ty e of mo ule to b cre te a d f i e in th FDI Pa k g Th mo ule ty e

n me s al c re p n to o e of th COMPONENT id ntif i r d f i itio s (s e 5.2.3)

In ta c Name No -lo alz d n me of th mo ule’s De ic No eof th cre te eleme t This

n me h s to b u iq e within th s o e of th FDI Commu ic tio Serv r’s

Informatio Mo el

In ta c L b l Huma re d ble la el for th ro t No e of th cre te mo ule

In ta c No eId Cale -a sig e id ntif i r for th mo ule’s De ic No e

-3: E Un n wnTy e – a u k own Mo uleTy eName h s b e s e if i d

-4: E LimitEx e d d – th total n mb r of mo ule is e c e e

(this mig t b c u e b p wer c n traints or oth r re o rc lmitatio s)

Table 10 – AddCompon nt Method Addre sSpa e def inition

Brows Name Ad Comp n nt

7.3.2.5 Remov Compone t Method

ServerCommu icationDeviceTyp ) Implementation of RemoveComp nent is o tional if the

commu ication hardware setup is static

The sig ature of this Method is sp cified b low Ta le 1 an Ta le 12 sp cify the arg ments

an Ad res Sp ce re resentation, resp ctively

Signature

R emoveC m onen (

Table 1 – Remov Compon nt Method arg me ts

Mo uleNo eId Th v lu is th id ntific tio of th e istin in ta c in th Informatio Mo el

Referenc s No eCla s Brows Name DataT pe T peDef i itio Mo el n Rule

7.3.3 Serv rCommunic tionDe ic Type

The ServerCommu icationDeviceTyp re resents a commu ication c an el for a p rtic lar

network The ServerCommu icationDeviceTyp is a s btyp of the DeviceTyp The

ParameterSet for e c in tan e of a ServerCommu icationDevice wi contain Parameters

neces ary to config re the o eration of the network The protocol sp cif i , man atory bu

p rameters are sp cified in IEC 6 7 9-4:2 15, An ex F Fig re 7 s ows the

ServerCommu icationDeviceTyp definition that is formal y defined in Ta le 13 an

Table 13 – Serv rCommu ic tionDe ic Type definition

Su ty e of th De ic Ty e d f i e in OP U Part DI

Scan s al b u ed to start dis overin phy ical network con ected devices The as ociation

b twe n the method Scan an the cor esp n in ph sical network con ection ena les the

FDI Commu ication Server to ac es the cor ect ph sical network con ection The Scan

method is implemented by the Commu ication Server ru time mod le

The sig ature of this Method is sp cified b low Ta le 15 an Ta le 16 sp cify the arg ments

an Ad res Sp ce re resentation, resp ctively

NOT 1 Commu ic tio Serv rs c n ru th n twork s a in a b c gro n ta k s th in o atio of th fu ctio

Sc n wi return c c e n twork s a re ults

NOT 2 In c s th SC N ta e v ry lo g th FDI Commu ic tio Serv r mig t return a empty

To olo ySc nRe ult a d th Servic Eror 1 id ntifyin th t th s a is sti ru nin

Signature

Scan(

Table 15 – Sc n Method argume ts

To olo ySc nRe ult Th arg me t v lu is a XML f ormate strin re re e tin a lst of p y ic l

n twork c n e te d vic s Ea h of th p y ic l n twork c n e te d vic s is

re re e te b a d ta stru ture matc in with a Co n ctio Point n d

Co n ctio Point atrib te are proto ol s e if i Th c re p n in

to olo ySc nRe ult s h ma is s e ifie in IEC 6 7 9-4:2 15, An e F

Return a empty strin for To olo ySc nRe ult in c s of a y eror

Servic Eror 0: OK / s a c mplete

1: OK / g t c mplete s a re ult b c l n Sc n a ain

- : Faie / n t initialz d

-2: Faie / n t c n e te to a n twork

-3: Faie / n d vic f ou d, th to olo ySc nRe ult is empty

Table 16 – Sc n Method Addre sSpa e def inition

7.3.3.3 Re etSc n Method

ResetScan s al b u ed to reset the internal cac e of s an res lts It wi also can el a

ru nin s an in case the FDI Commu ication Server s an mec anism s p orts this

The sig ature of this Method is sp cif ied b low Ta le 17 an Ta le 18 sp cify the arg ments

an Ad res Sp ce re resentation, resp ctively

Signature

Table 17 – Re etSc n Method argume ts

Servic Eror 0: OK / s a re et

- : Faie / n t initialz d

-2: Faie / n t c n e te to a n twork

Table 18 – Re etSc n Method Ad re sSpa e d f inition

7.3.3.4 SetAddre s Method

SetAd res s al b u ed to c an e the network ad res (commu ication ad res ) of a

device The Commu ication Device s al en ure u iq e network ad res values If the

arg ment value of newAd res is alre dy as ig ed to a ph sical network con ected device

the Commu ication Device s al return the arg ment serviceEr or value “-4: Fai ed / d pl cate

Ad res er or”

It de en s on the protocol whether the ad res as ig ment service s al work even when a

commu ication relation is alre dy esta l s ed

The sig ature of this Method is sp cif ied b low The arg ments for SetAdres Method are

Table 19 – SetAddre s Method argume ts

OldAd re s Th arg me t re re e ts 1 n proto ol s e ific v lu s re re e tin th e istin

proto ol s e ific n twork a dre s of th p y ic l n twork c n e te d vic Valu s

th t re re e t a n twork a dre s are s e if i d in IEC 6 7 9-4:2 15, An e F

NewAd re s Th arg me t re re e ts 1 n proto ol s e ific arg me ts re re e tin th n w

proto ol s e ific n twork a dre s th t s al b a sig e to a p y ic l n twork

c n e te d vic Valu s th t re re e t a n twork a dre s arg me ts are

s e if i d in IEC 6 7 9-4:2 15, An e F

Servic Eror 0: OK / e e utio finis e s c e sfuly

- : SetAd re s Faie / n t initialz d

-2: SetAd re s Faie / n t c n e te to a n twork

-3: SetAd re s Faie / n d vic fo n re p n in to oldAd re s

-4: SetAd re s Faie / d plc te a dre s er or

-5: SetAd re s Faie / d vic did n t a c pt n w a dre s

-6: SetAd re s Faie / in ald oldAd re s

(in terms of s nta , d ta ty e, d ta f ormat, a d s o )

-7: SetAd re s Faie / in ald n wAd re s

(in terms of s nta , d ta ty e, d ta format, a d s o )

-8: SetAd re s Faie / n t p s ible in statu c n e te

7.3.4 Serv rCommunic tionServic Type

Commu ication services provide the me n to commu icate with a Device or to e.g exec te

a Scan on some Network Commu ication services are re resented throu h Method in the

Inf ormation Model (se IEC 6 7 9-5)

The formal def i ition of ServerCommu icationServiceTyp is f ou d in Fig re 8, Ta le 2 an

Ta le 21

The NodeId of these Method wi b fixed an def i ed in this stan ard FDI Cl ents theref ore

do not have to browse for these Method They can u e the fixed NodeId as the MethodId of

the Cal Service

Commu ication method in lu in their NodeId are u iq ely defined in this stan ard FDI

Cl ents can u e the Method directly (without browsin ) The OPC UA Cal Service s al b

u ed as fol ows:

• the MethodId arg ment s al contain the fixed NodeId of the Method;

• the ObjectId arg ment s al contain the NodeId of the MethodSet

The OPC UA Statu Code Bad_MethodIn al d s al b returned fom the Cal Service f or

elements where the commu ication method are not s p orted

Fig re 8 – Serv rCommunic tionServic Type

Table 2 – Serv rCommunic tionServic Type def inition

Table 21 – MethodSet of Serv rCommunic tionServic Type

7.3.4.2 Conne t Method

Con ect s al b u ed to esta l s a commu ication relation to a device that is ph sical y

con ected to the Network Esta ls in the commu ication relation may imply c ec s of

identification data that are p rt of the ad res Data with data in ide the ph sical device The

Commu ication Device p rorms this DeviceTyp matc verif i ation ac ordin to a

cor esp n in network protocol stan ard Related detais are sp cif ied in IEC 6 7 9-4:2 15,

An ex F

The devices ad res is contained in the Con ection Point of the cor esp n in Device

In tan e within the Information Model (Device Con ection Point The commu ication relation

b twe n the Information Model as ociated device a plcation an the ph sical device is

f urther on identified by the commu ication relation identif ier Detai s a out how to manage the

statu of a commu ication relation is des rib d in Clau e 6

NOT 1 As th No eId is a u iq e id ntif i r within th Inf ormatio Mo el s o e, th No eId of th De ic

Co n ctio Point c n b a u iq e id ntif i r for a y c mmu ic tio relatio in th s o e of a c mmu ic tio

d vic

NOT 2 Th term c mmu ic tio relatio is intro u e d s ribin th statu of a inf ra tru ture th t e a le

d ta e c a g b twe n informatio mo el h ste d ta a d a p y ic l d vic If th c mmu ic tio relatio is

Table 2 – Con e t Method argume ts

Commu ic tio Relatio Id This is acle t g n rate id th t is u e to u iq ely id ntify this c n e tio

This c uld b a in e (e.g a No eId) th t th cle t (= FDI Serv r n e s to

id ntify e trie in its to olo y

Ad re sData A proto ol s e ific arg me t lst th t is u e for th a dre s a d o tio al d vic

id ntific tio d ta (d tais d s rib d in IEC 6 7 9-4:2 15, An e F)

De ic Inf ormatio A proto ol s e ific arg me t lst in whic th c n e t re ult d ta are store

Servic Eror 0: OK / e e utio f i is e , c n e tio e ta ls e s c e sf uly

- : Co n ct Faie / d vic n t fo n

-2: Co n ct Faie / in ald d vic a dre s

-3: Co n ct Faie / in ald d vic id ntif i atio

7.3.4.3 Dis on e t Method

Dis on ect s al b u ed to terminate a commu ication relation to a Device

The sig ature of this Method is sp cif ied b low At ributes of the Dis on ect method are

sp cified in Ta le 2 Dis on ect is a s n hronou method cal

Signature

Di connect(

[i ] ByteS r n Communi a io Rela io Id,

[o t] In 32 Se vice r or);

Table 2 – Dis onne t Method argume ts

Commu ic tio Relatio Id Same ID a u e in meth d Co n ct s e if i d in 7.3.4.2

Servic Eror 1: OK / dis o n ct finis e s c e sf uly

- : Dis o n ct Faie / n e istin c mmu ic tio relatio

-2: Dis o n ct Faie / in ald c mmu ic tio relatio id ntif i r

7.3.4.4 Tra sf er Method

Tran fer s al b u ed to p rorm inf ormation ex han e with a Device

The sig ature of this Method is sp cified b low Al arg ments are sp cified in Ta le 2

Table 2 – Tra sf er Method argume ts

Commu ic tio Relatio Id Se 7.3.4.2

Se dData A proto ol s e if i lst of v lu s a d s rib din IEC 6 7 9-4:2 15, An e F Th

arg me t v lu s re re e t th proto ol s e if i c mmu ic tio s rvic re u st th t

is s nt to th d vic

Re eiv Data A proto ol s e if i lst of v lu s a d s rib din IEC 6 7 9-4:2 15, An e F Th

arg me t v lu s re re e t th proto ol s e if i c mmu ic tio s rvic re p n e

th t is re eiv d fom th d vic

Servic Eror 0: OK / e e utio finis e , Re eiv dData c ntain th re ult

- : Tra sfer Faie / No e istin c mmu ic tio relatio

-2: Tra sfer Faie / In ald c mmu ic tio relatio id ntif i r

-3: Tra sfer Faie / In ald s n Data c nte t

-4: Tra sfer Faie / In ald re eiv Data format

7.3.4.5 GetPubl s e Data Method

The FDI Server sen s GetPubls edData req ests to the FDI Commu ication Server to

receive data that is s bmited by u sol cited data mes ages The arg ment Sen Data

contained data pre ares the ex han e of “u sol cited” data mes ages fom the device The

content of Sen Data is protocol sp cific The FDI Commu ication Server q eues

GetPubl s edData req ests in a q eue as ociated with the Commu ication Relation defined

throu h the arg ment Commu icationRelationId The arg ment Publs Id identifies the related

q eue entry Eac time the FDI Commu ication Server receives u solcited data mes ages it

saves the received data in as ociation with the existin q eue entry that has b en created for

the GetPubls edData De en in on the u derlyin network tec nolog (p rorman e) the

method GetPubl s edData can immediately return with data comin f rom an “u solcited” data

mes age

Subseq ent pul n of data that is s bmit ed by u sol cited data mes ages work throu h the

same method GetPubl s edData In this case the arg ment Sen Data is empty The arg ment

Publs Id matc es with the value that has b en provided with the initial cal GetPubls edData

that has esta ls ed the tran mis ion of ex han e of “u sol cited” data mes ages

In order to sto the device sen in the “u sol cited” data, the method GetPubl s edData s al

b u ed again but the arg ment Sen Data contained data terminates the ex han e of

“u solcited” data mes ages f om the device Ta le 2 s ows the GetPubls edData Method

Table 2 – GetPubl s e Data Method arg me ts

Commu ic tio Relatio Id Se 7.3.4.2

Se dData A proto ol s e if i lst of v lu s a d s rib din IEC 6 7 9-4:2 15, An e F Th

-3: GetPu ls e Data Faie / n t s p orte

-4: GetPu ls e Data Faie / n e istin c mmu ic tio relatio

-5: GetPu ls e Data Faie / in ald c mmu ic tio relatio id ntif i r

-6: GetPu ls e Data Faie / in ald s n Data c nte t

-7: GetPu ls e Data Faie / in ald re eiv Data format

-8: GetPu ls e Data Faie / n d ta p bls e th t fits to th Se dData arg me t

7.4 OPC UA Serv r Pro le for FDI Commu ic tion Server

Profi es are named groupin s of Conf orman eUnits as def i ed in IEC 6 5 1-7 The term

Facet in the title of a Prof ile in icates that this Profi e is exp cted to b p rt of another larger

Profi e or con ern a sp cific asp ct of OPC UA Profi es with the term Facet in their title are

exp cted to b combined with other Prof iles to define the complete f un tional ty of an OPC

UA Server or Cl ent The minimum req ired OPC UA Server Profi e is the “Micro Emb d ed

Device Server Prof ile”

The fol owin ta le sp cifies the f acet for an OPC UA Server that acts as an FDI

Commu ication Server Ta le 2 des rib s Conforman e Units in lu ed in this f acet

Table 2 – FDIC ommu icationServer_Fa et definition

The re resentation of an FDI Commu ication Server in the Addres Sp ce of an FDI Server is

almost identical to the Ad res Sp ce that exists in the FDI Commu ication Server This refers

in p rtic lar to the Modular Device hierarc y an the Parameters of al Devices However, the

Nodes in the FDI Server are bui t f rom the device des ription imp rted via the FDI

Commu ication Pac age

commonal ties an the diff eren es b twe n the Information Models hosted by the FDI

Commu ication Server an the FDI Server In general the FDI Commu ication Server hosted

Information Model is a s bset of the FDI Server hosted Information Model The Device

In tan es in the FDI Server an the FDI Commu ication Server ad ere to the same typ

definition Th s browse names of common Inf ormation Model elements s al have the same

browse name

Figure 9 – Information Model dif f ere c s (e ample)

The lst of diff eren es in the IM is as f ol ows:

• The FDI Server s p orts onl ne an off line version of the Mod lar Device; the FDI

Commu ication Server s p orts ju t an onlne version The onl ne version of the FDI

Server re resents the version in the FDI Commu ication Server, i.e if Parameter

Values are re d or writ en to the onl ne model of the FDI Server, these o eration are

p s ed throu h to the FDI Commu ication Server This ha p n b th for publc an for

private Parameters

NOT Th k y is a matc b twe n th brows n me pre e t in th FDI Serv r h ste Informatio

Mo el a d th FDI Commu ic tio Serv r h ste Inf ormatio Mo el This alows g n ric s n hro iz tio

of b th inf ormatio mo els

Tra fer

Sc an

Set AdreParamet erSet

Init ialz

R est

A ddComp et

R emov eComp etMet ho Set

Sc anNex t

Sc anNex t