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Modeling Specific Functions of a Ring Network Topology in BlockSim

This is the second part of a two-part article that addresses how to create a reliability block diagram (RBD) model of a ring network with bi-directional communication paths using BlockSim that will provide information on both the system availability and the availability of particular communication paths. In the October 2016 issue of Reliability HotWire, we discussed how to create the system-level RBD model starting from the ring network schematic. In this article, we demonstrate how to augment the model to incorporate blocks that represent the state of communication between the HMI and the connected devices.


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ARS Call for Papers

Take center stage and present at the International Applied Reliability Symposium. By presenting, you could gain insight on solutions for your organization and further your own professional development, plus you will receive complimentary registration. For more information visit

ARS North America will take place June 13-15, 2017 in Chicago, Illinois. We are adding a third track focused on durability and fatigue alongside two full tracks of reliability and maintainability presentations. Proposals for this exciting event will be accepted until December 9, 2016. For deadlines and forms, visit:


ReliaSoft at the MAINTCON 2016 in the Kingdom of Bahrain

ReliaSoft will be exhibiting at the MAINTCON 2016 in the Kingdom of Bahrain on December 12 – 15. Visit us at our booth to talk with our experts and to learn more about maintenance engineering solutions. We are also pleased to announce that we will be offering the RAM Workshop during the event as well as giving a presentation on "Essential Considerations in Establishing a World-Class Asset Reliability Program." For more papers published by the ReliaSoft team, visit

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