Technical Application Notes

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Technical Application Notes
Lightning Surge Protection for Electronic Equipment - A practical guide This publication discusses the nature of the threat to electronic instrumentation and communications networks posed by voltage surges induced by lightning or other causes, and describes the practical application of surge protection devices (SPDs) designed to prevent damage from such sources.	TAN1001 (revE)
Lightning and Surge protection - Basic Principles This publication discusses the mechanism of lightning and the design of surge protection devices (SPDs). The criteria for choosing the most suitable models for a wide range of applications in process industries are established. SPD applications for computers, networks, telecomms and various building systems are discussed.	TAN1002 (revG)
Earthing Guide for Surge Protection This publication discusses the major aspects of earthing surge protection devices (SPDs), and the relationship between SPD earths and the earthing of the associated instrumentation or other equipment with which the devices are used are also considered.	TAN1003 (revE)
Surge Protection for Intrinsically Safe Systems This publication discusses the nature of the threat to intrinsically safe instrumentation in hazardous areas from voltage surges induced by lightning or other causes. The practical application of surge protection devices (SPDs) taking into account the approvals required is also considered.	TAN1004 (revE)
Surge Protection for Zone 0 Locations This note discusses the surge protection requirements of intrinsically safe circuits entering a Zone 0 hazardous area. It analyses the potential gradients generated by lightning strikes and their possible routes of invasion. The alleviation of the problem at the zone 0 interface transfers the problem elsewhere and an adequately safe pragmatic solution is proposed.	TAN1005 (revD)
Surge Protection for Weighing Systems - An Application Guide This publication discusses the nature of modern weighing systems and describes the various methods by which surge protection can be applied to load cells (digital and conventional), to control systems, etc., within the weigh cabin and to external system links.	TAN1006 (revE)
Surge Protection for Local Area Networks This publication discusses ways in which Local Area Networks can be damaged by lightning-induced transients, and how they can be protected economically.	TAN1007 (revC)
Surge protection for electrical power installations This publication discusses the affects of surges and lightning induced overvoltages on ac power systems. The note will introduce the source of many common transients and surges and suggest the application of surge protection devices in this area. Finally, typical examples are shown for common installations.	TAN1009 (revC)
Lightning & surge protection for fieldbus systems This publication contains a brief introduction to fieldbus systems. It continues by describing the surge protection necessary to protect such systems from the detrimental effects of lightning and other surges.	TAN1010 (revG)

Technical Application Notes

• TAN1001
• TAN1002
• TAN1003
• TAN1004
• TAN1005
• TAN1006
• TAN1007
• TAN1009
• TAN1010

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