Fisco Intrinsically Safe Fieldbus Systems
This application note is a practical guide to the selection, installation and maintenance of equipment complying with the Fieldbus Intrinsically Safe Concept (FISCO). The document begins with a discussion of the origins of FISCO and an introduction to the main elements that should be considered when assembling FISCO systems. Later sections then develop each subject in more detail, with the intention of providing clear guidance to new and experienced Fieldbus users.
The document will be updated regularly to reflect changes in practice and to incorporate new information as it emerges. Please make sure you have the most recent version by visiting the MTL website www.mtl-inst.com or contacting your local MTL representative. (The issue number of this application note is shown on the top right-hand corner of the Contents page.) MTL welcomes comments and constructive criticism of the text, which should be directed by email to AN9026comments@mtl-inst.com
The commonly used term‘H1’ is used in the text to describe the low frequency Fieldbus (31.25kbits/s) as defined by Foundation Fieldbus.