IEC_60955-1989_amd1-1992_scan.pdf

IECNORMEINTERNATIONALEINTERNATIONALSTANDARDCEIIEC9551989AMENDEMENT 1AMENDMENT 11992-05Amendement 1Bus de donnes de processus,Type C(PROWAY C),pour systmes distribus de commandede processus industrielsAmendment 1Process data highway,Type C(PROWAY C),for distributed process control systems CEI 1992 Droits de reproduction rservs Copyright all rights reservedInternational Electrotechnical Commission?3,rue de Varemb Geneva,Switzerland7elefax:+41 22 919 0300?e-mail:inmailiec.ch?IEC web site http:/www.iec.chCommission Electrotechnique InternationaleInternational Electrotechnical CommissionMe)HayHapoQHas 3neKTpoTexHH4ecI aR HOMHCCHH?CODE PRIXPRICE CODEPour prix,voir catalogue en vigueurFor price,see current catalogueDLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.DIS65C(BC)31Rapport de vote65C(BC)33-2-?955 amend.1 CEIAVANT-PROPOSLe prsent amendement a t tabli par le Sous-Comit 65C:Communicationsnumriques,du Comit dEtudes n 65 de la CEI:Mesure et commande dans lesprocessus industriels.Le texte de cet amendement est issu des documents suivants:Le rapport de vote indiqu dans le tableau ci-dessus donne toute information sur le voteayant abouti lapprobation de cet amendement.INTRODUCTIONCet amendement ajoute les prescriptions pour une version phase-cohrente desspcifications de la couche physique et du support qui peuvent tre utiliss pour la miseen oeuvre de la prsente norme en variante de la couche physique et du support enphase continue spcifis dans les parties 8 et 9.Cette mthode en phase-cohrente-FSK permettra des dbits de signaux de 5 Mb/s et 10 Mb/s.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.DIS65C(CO)31Report on Voting65C(CO)33955 Amend.1 IEC?3 FOREWORDThis amendment has been prepared by Sub-Committee 65C:Digital communications,ofIEC Technical Committee No.65:Industrial-process measurement and control.The text of this amendment is based on the following documents:Full information on the voting for the approval of this amendment can be found in theVoting Report indicated in the above table.INTRODUCTIONThis amendment adds requirements for a phase-coherent version of the Physical layerand medium layer specifications which may be used in implementations of this standard asan alternative to the phase-continuous physical and medium layers specified in Parts 8and 9.This phase-coherent-FSK method will allow signalling rates of 5 Mb/s and10 Mb/s.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.4?955 amend.1 CD CEIPage 24SOMMAIREAjouter ce qui suit aprs lannexe 10(8).2:PARTIE 11:SPCIFICATION DE LA COUCHE PHYSIQUE(PHY)CANAL UNIQUE,EN PHASE-COHRENTE-FSK ET DE SONINTERFACE AVEC LE SUPPORTPARTIE 12:SPCIFICATION DE LA COUCHE SUPPORT DE BUS EN CANALSIMPLE EN PHASE-COHRENTE-FSKPage 30PRFACESupprimer le dernier alina de la prface.Page 32Autres publications citesAjouter la note suivante:NOTESISO/DIS 4902(1985)a t publi comme ISO 4902(1989).ISO/DIS 8802-2(1985)a t publi comme ISO/IEC 8802-2(1989).ISO/DIS 8802-4(1985)a t publi comme ISO/IEC 8802-4(1990).Page 520.10 Organisation de la normeAjouter,page 56,le texte suivant aprs le dernier alina:La partie 11 spcifie lentit Couche physique FSK variation de phase cohrente etson interface avec le support,couche physique qui peut tre utilise en variante de cellespcifie la partie 8.La partie 12 donne des prescriptions pour un support de bus canal simple en phasecohrente FSK,qui peut tre utilis en variante de celui dcrit la partie 9.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.955 Amend.1 IEC?-5-Page 25CONTENTSAdd the following after Appendix 10(8).2:PART 11:SPECIFICATION OF THE SINGLE-CHANNEL PHASE-COHERENT-FSKPHYSICAL(PHY)LAYER AND ITS INTERFACE WITH THE MEDIUMPART 12:SINGLE-CHANNEL PHASE-COHERENT-FSKBUS MEDIUM LAYER SPECIFICATIONPage 31PREFACEDelete the last paragraph of the preface.Page 33Other publications quotedAdd the following note:NOTESISO/DIS 4902(1985)has been published as ISO 4902(1989).ISO/DIS 8802-2(1985)has been published as ISO/IEC 8802-2(1989).ISO/DIS 8802-4(1985)has been published as ISO/IEC 8802-4(1990).Page 530.10 Standard organizationAdd,page 57,after the last paragraph the following new text:Part 11 specifies the Phase-Coherent-FSK Physical layer entity and its interface to themedium which can be used as an alternative to that specified in Part 8.Part 12 gives requirements for a single-channel Phase-Coherent-FSK bus medium whichcan be used as an alternative to that specified in Part 9.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.6?955 amend.1 CEIPage 492Ajouter aprs larticle 10F.les nouveaux articles 11 et 12:PARTIE 11:SPCIFICATION DE LA COUCHE PHYSIQUE(PHY)CANALUNIQUE,EN PHASE COHRENTE FSK,ET DE SON INTERFACEAVEC LE SUPPORT11.1 Les caractris