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between level zero (sensors/actuators) and level one (PLCs, controllers,
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etc.) in automation systems.
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## Links
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- [ALSTOM FIPWARE](http://www.fipware.com/) (Product leaflets and User
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documentation only work with IE)
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- [WorldFIP @ CERN](http://cern.ch/cern-worldfip/)
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- [WorldFIP Users Club](http://cern.ch/worldfip-users-club/) (Hosted
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at CERN)
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The WorldFIP organisation with the website "www.worldfip.org" was
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dissolved in 2007.
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-----
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## WorldFIP usage at CERN
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| ... | ... | @@ -32,6 +23,12 @@ complex: |
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7. Experiments
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8. Radiation Monitoring
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[WorldFIP @ CERN](http://cern.ch/cern-worldfip/)
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[WorldFIP Users Club](http://cern.ch/worldfip-users-club/) (Hosted at
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CERN)
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-----
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## Standards
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### IEC 61158 and IEC 61784
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ALS 50278
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h-en](http://cern-worldfip.web.cern.ch/cern-worldfip/Docs/Software/FDM%20and%20Services/FIP%20Device%20Manager%20\(FDM\)-ENG.pdf)
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See also [WP3](WP3) for some hints to find your way through the
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standards.
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- [ALSTOM FIPWARE](http://www.fipware.com/) (Product leaflets and User
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documentation only work with IE)
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The WorldFIP organization with the website "www.worldfip.org" was
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dissolved in 2007.
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*Note: links to the [Fieldbus
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standards](http://cdsweb.cern.ch/search?ln=en&cc=Standards&sc=1&p=fieldbus)
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only available on CERN's Intranet.*
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-----
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## Finding your way in the IEC Standards
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The comments below may be helpful to find your way in the IEC standards.
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- [IEC-61784-1 Industrial communication networks: Profiles : Part 1:
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Fieldbus
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profiles](http://cdsweb.cern.ch/record/1169412/files/iec61784-1%7Bed2.0%7Den.pdf)
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- 3.3 Conventions (pages 19-20)
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- 9 Communication Profile Family 5 (WorldFIP), Profile 5/1 (pages
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208-217). Table 257 in section 9.2.1 defines what to use from
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IEC 61158-2 (PH layer).
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<!-- end list -->
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- [IEC-61158-2 Industrial communication networks: Fieldbus
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specifications : Part 2: Physical layer specification and service
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definition](http://cdsweb.cern.ch/record/1169405/files/iec61158-2%7Bed4.0%7Den.pdf)
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- 9 Medium dependent sublayer (MDS) (page 120-123, defines coding,
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preamble, start/end of frame delimiters). Strangely enough Table
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257 of IEC-61784 specifically states that this clause is not
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included in the profile 5/1 WorldFIP, but it corresponds to "The
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WorldFIP protocol" brief).
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- 11.6 Jabber inhibit - describes the MAU should self-inhibit in
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case of too long transmissions (and reset after 0.5 to 3
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seconds. If implemented in FielDrive, it may mean that it can
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inhibit itself if this logic is sensitive to radiation.
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- [IEC-61158-3-7 Industrial communication networks: Fieldbus
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specifications : Part 3-7: Data-link layer service definition:
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Type 7
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elements](http://cdsweb.cern.ch/record/1169986/files/iec61158-3-7%7Bed1.0%7Den.pdf)
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- Explains variables and messages, adressing and flow control.
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- [IEC-61158-4-7 Industrial communication networks: Fieldbus
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specifications : Part 4-7: Data-link layer protocol specification:
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Type 7
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elements](http://cdsweb.cern.ch/record/1169408/files/iec61158-4-7%7Bed1.0%7Den.pdf)
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- 4.2 Block diagram of a producer/consumer entity
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- 5 General structure and encoding of PhIDUs and DLPDUs and
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related elements of procedure (pages 32-43)
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- 5.2 defines values for ID\_DAT, RP\_DAT control field.
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- 5.2.5 defines the Frame Checksum FCS (CRC).
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- 5.6.3 defines timers (e.g. T0=max allowed silence on link,
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T4=monitors absence of RP\_DAT after ID\_DAT-a.k.a. *Silence
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Time* in the MicroFIP specification).
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- 6.4 Buffer transfer (pages 44-46)
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- 7.2 Produce/consumer entity
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- Figure 45: Simplifified state machine for a
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producer/consumer entity
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- 7.2.1 transition table for producer/consumer entity (state
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machine)
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- 7.4 Management of basic transactions
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- Annex A Exemplary FCS implementation (page 97-98)
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<!-- end list -->
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- [IEC-61158-5-7 Industrial communication networks: Fieldbus
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specifications : Part 5-7: Application layer service definition:
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Type 7
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elements](http://cdsweb.cern.ch/record/1169409/files/iec61158-5-7%7Bed1.0%7Den.pdf)
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- 6.2.1.3.3.3 Variable transmission validity specification
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(Promptness)
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- 6.2.1.3.3.4 Variable production validity specification
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<!-- end list -->
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- [IEC-61158-6-7 Industrial communication networks: Fieldbus
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specifications : Part 6-7: Application layer protocol specification
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– Type 7
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elements](http://cdsweb.cern.ch/record/1169987/files/iec61158-6-7.pdf)
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- 5 Transfer syntaxes (Identification byte, number of content
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bytes, content, ...)
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- 5.2.1.4.2 VariableCompactValue PDU (production status,
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refreshment, but no explanation about refreshment)
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-----
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\-- ErikVanDerBij - 19 July 2010
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