Open Control Networks

1 Introduction.- 1.1 Networking, Reasoning, Consequences.- 1.2 Control of Technical Processes.- 1.3 Communication as the Basis for Distributed Systems.- 1.4 Fundamental Application Concepts.- 1.5 Overview of Fieldbus Systems.- 1.6 The Road to Decentralization.- 2 Distributed System.- 2.1 Sensor-/Actuator Level.- 2.2 Distributed Systems based on LonWorks.- 2.3 An Example for a LonWorks System Design.- 2.4 Communication Efficiency and Transparency.- 2.5 Outlook on Future Distributed Applications.- 3 LonWorks Nodes.- 3.1 Node Overview.- 3.2 Node Memory.- 3.3 Pin Descriptions and Input/Output Interfaces.- 3.4 Clock System and Timer.- 3.5 Reset, Security Functions and Sleep Mode.- 3.6 Neuron ID and Service Pin.- 3.7 Programming Specialties.- 3.8 Connection to Host Processors.- 3.9 Components of LonWorks Nodes.- 4 The LonTalk Protocol.- 4.1 Introduction.- 4.2 Protocol Overview and Terminology.- 4.3 Addressing in LonTalk.- 4.4 Physical Layer.- 4.5 Link Layer.- 4.6 Network Layer.- 4.7 Transport Layer.- 4.8 Session Layer.- 4.9 Presentation and Application Layer.- 4.10 Network Management and Diagnostic.- 4.11 LonTalk PDU Format.- 5 Neuron Chip Firmware.- 5.1 CPU Model.- 5.2 Firmware Initialization.- 5.3 Firmware — Normal Operating Mode.- 5.4 Communication.- 6 Programming Model.- 6.1 Neuron C.- 6.2 Neuron C Scheduler.- 6.3 Communication Objects.- 7 Network Topologies and Network Interconnections.- 7.1 Characteristics of Bus Structures and Open Media.- 7.2 Repeater, Bridges, Router and Gateways.- 7.3 Routing in LonWorks Networks.- 7.4 LonWorks Router.- 7.5 Communication Media supported by LonWorks Routers.- 7.6 Network Interconnections.- 8 Supported Input/Output Objects.- 8.1 Direct I/O Objects.- 8.2 Byte Serial Input/Output Objects.- 8.3 Bitserial Input/Output Objects.- 8.4Timer-Counter Objects.- 9 Interoperability.- 9.1 From Compatible to Plug-and-Play.- 9.2 Terminology.- 9.3 Requirements and Proof of Interoperability.- 9.4 Conformity and Interoperability with LonWorks.- 10 Profiles.- 10.1 Profile and Standard.- 10.2 Classes of Profiles.- 10.3 LonMark Functional Profiles.- 10.4 Profiles in the LonTalk Protocol.- 10.5 Example of a Functional Profile.- 11 A Distributed LonWorks Application.- 11.1 Process Course.- 11.2 Control Elements.- 11.3 From Control Sequences to Neuron C Programs.- 11.4 Plant Monitoring.- 11.5 Bus Topology.- 11.6 Application Limits.- 12 Tools.- 12.1 Overview.- 12.2 Design Tools.- 12.3 Test- and Diagnosis Tools.- 12.4 Tool Development.- 13 Performance Aspects.- 13.1 Methodology.- 13.2 Analysis.- 14 New Platforms.- 14.1 Standardization.- 14.2 VENUS Framework.- 14.3 L-Chip.- 14.4 Drivers and Software Tools.- 14.5 ORION Protocol Stack.- 14.6 System on a Chip and System Simulation.- 14.7 Gadget Stack.- Literature.- Appendix A Selected Component Manufacturers.