EC: DeltaV Intrinsic Safety CHARMs

Safety – Process safety, intrinsic safety: As an extension of DeltaV Electronic Marshalling, Intrinsic Safety CHARMs from Emerson Process Management provide significant savings in system design, installation cost, and ease of maintenance—with the added intrinsically safe circuitry for field wiring into hazardous areas, including Zone 1, Zone 0, or Class 1 Div1. This is a Control Engineering 2012 Engineers’ Choice award winner.

11/17/2011


DeltaV Intrinsic Safety CHARMs. As an extension of DeltaV Electronic Marshalling, Intrinsic Safety CHARMs provide significant savings in system design, installation cost, and ease of maintenance—with the added intrinsically safe circuitry for field wiring into hazardous areas, including Zone 1, Zone 0, or Class 1 Div1. This is a Control Engineering 2012 Engineers’ Choice finalist.Building on its innovative Electronic Marshalling and single-channel characterization module (CHARM) technology, Emerson Process Management introduces its latest offering, intrinsically safe (IS) CHARMs.

Electronic Marshalling with CHARMs is a key component of Emerson's I/O on Demand strategy, which provides solutions for all types of I/O interconnection: point-to-point, bussed, and wireless. IS CHARMs deliver a reduced footprint and eliminate the need for separate barriers and the associated intercabinet wiring. A smaller footprint and fewer connections improve the reliability of the installation and deliver significant cost savings.

The DeltaV CHARM I/O Card (CIOC) supports both conventional and IS CHARMs, providing unprecedented flexibility in control system I/O topology. I/O can be added anywhere it is needed using standard Ethernet infrastructure hardware. Each I/O channel has a dedicated CHARM that provides both signal characterization and galvanic isolation for intrinsically safe applications. IS barriers are integrated inside the CHARM to provide single-channel fault isolation, as well as electrical isolation and energy-limiting circuitry that meets IEC Ex ia ratings. IS CHARMs signal types include: IS AI 4-20 mA HART, IS AO 4-20 mA HART, IS DI Namur, and IS DO 24 Vdc.

www.DeltaV.com

www2.emersonprocess.com/en-US/brands/deltav/differentiators/Pages/IOonDemand.aspx

Emerson Process Management

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View the list of the 2012 Engineers' Choice honorable mentions.

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The System Integrator Giants program lists the top 100 system integrators among companies listed in CFE Media's Global System Integrator Database.
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This eGuide illustrates solutions, applications and benefits of machine vision systems.
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This eGuide contains a series of articles and videos that considers theoretical and practical; immediate needs and a look into the future.
May 2018
Salary and Career Survey, IT and OT convergence, robotic standards and safety, secure circuit protection
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The Engineers' Choice Awards highlight some of the best new control, instrumentation and automation products as chosen by Control Engineering subscribers. Vote now (if qualified)!
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The System Integrator Giants program lists the top 100 system integrators among companies listed in CFE Media's Global System Integrator Database.
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Each year, a panel of Control Engineering and Plant Engineering editors and industry expert judges select the System Integrator of the Year Award winners in three categories.
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Find and connect with the most suitable service provider for your unique application. Start searching the Global System Integrator Database Now!

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John O. Ayuk, PE, CFSE, PMP, CAP
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