Distributed Safety Arrives PDF
Preview Distributed Safety Arrives
Distributed Safety Arrives Jtous at lpikreo cdeisstsr ipbluatnetd n ceoanr tyroolu, ,d misatryibbuet eyodu sra ofewtyn .is coming soon IEC 61131-3 BY THE NUMBERS MEDITATING ON DISTURBANCE DYNAMICS WHAT WENT WRONG AT FUKUSHIMA 1 1 0 EXCLUSIVE TO THE WEB 2 Y NEWS FROM EUROPE AND THE REST A M OF THE WORLD WALT BOYES GOES NUCLEAR MOTOR AND DRIVES GRAB BAG CT1105_01_CVR.indd 3 4/25/11 4:17 PM CONTRL_IFC_0511_Control Design 4/25/11 9:42 AM Page 1 CONTRL_FRHP_0511_Control Design 4/12/11 9:10 AM Page 1 Where Do I Go forPressure, Strain and Force Products? Where Do I Go forTemperature Products? omega.com, omega.com, of Course! of Course! Your single source for process measurement and control products! Your single source for process measurement and control products! Pressure Transducers for Compressor Control Ideal for Food, Dairy, Beverage and Biopharm Industries High Accuracy Pressure Transducers mini DIN Cable Now with 0.05% Accuracy and 0.03% style style SanitaryRTD Probes Linearity Options Standard Duty with Integral Cable Twist-lock PX409 Series style Starts at $475 PRS-3-100-CB $120 MADE IN (cid:31) 316L SS Wetted USA Surfaces 32 pin or Better Finish (cid:31) 4-Wire Pt100 MADE IN Now available Class A Element with M12 Standard Connector! USA Order Model Visit (cid:31) -50 to 200°C (-58 to PX459 omega.com/px409_series © Damianpalus / Dreamstime.com 392°F) Temperature Range AMHliulg lhSt-timPaieenrdlfeioasr smC Saotnmecpeeal StTiirblaiicnliostydnucer misntyi lDeIN Twisstty-lleock MCWoiinmthipa Trteuhsrreos iuIognndh uL-Bosotarddiay Cl ell PPArapetpctleiicsrniao tfnioo rSn tsSrtaaitni cG aagned LDiynneaamric TechnPoXlSo3tg0a$y19r7 tSs5e arties Csatybllee Mounting Holes LC$G5B2-55K SPSGktDag$ r 4Sot5esf r a1i et 0 s CIPF Paornro dUc seSesa snienits ary MADE IN MADE IN 32 pin Finish USA Visit Visit omega.com/px309 Visit omega.com/lcgb USA omega.com/sgd_linear1-axis Visit omega.com/prs-3-100-cb © Nadejda Degtyareva / Dreamstime.com Advanced Digital Very High Accuracy Digital Miniature Universal Load Force Gauges Pressure Gauge, Cells Standardand Metric WirelessTransmitter The “All-in-One” High-Performance Molten Metal DFG55 LC202/LCM202 Series Surface Thermocouple InfraredThermometer Ceramic Sheath SSta$e9rr9tise5 sat SDStPa$e6Grr9ti4se50 sa9t Sta$5r6ts0 at SStaA$r81t0sX Lat *OS-D$2T789855WTM TherNmE$8oP7c-5ToXuple MADE IN 5-Pack MADE IN FREE! FREE! USA USA MADE IN Visit Visit Visit Visit HaHnadrbdobooku nadnd omega.com/dfg55 omega.com/dpg409 omega.com/lc202 USA HPORT OEFSF STH!E Vomiseitg a.com/sa1xl ooms-edgt8a8.c5o5mw/ Vomiseitg a.com/nep-tx Encyclopedia 1⁄16DIN Temperature, Process All Stainless Steel Transducers and Strain Meters and PID High-Performance Silicon Controllers Technology CNi16 Series PX309-100MV Find thousands Visit omega.com Sta$2r2ts5 at $175 SPtaXr4ts3 9a t of pressure, strain and to order your FREEcopy of Submersible $579 force products in one place! DilbertTMCONTROLCATTMNew Horizons® Water Level Visit omega.comto order your FREEcopy in Temperature, Pressure, Flow and Transmitters of The OMEGA®Pressure, Strain and Force Measurement Handbook and Encyclopedia More! Version No. 28 Featuring Visit Visit meter sold 105 DILBERT Cartoons! Visit omega.com/cni16_series omega.com/px309 omega.com/px437 separately Shop Online at For Sales and Service, Call TOLL FREE Omega Engineering is a Proud Sponsor of the Omega Engineering is a Proud Sponsor of the Shop Online at Rube Goldberg 2011 Machine Contest For Sales and Service, Call TOLL FREE Rube Goldberg 2011 Machine Contest Hosted by Discovery Museum, Bridgeport, CT Hosted by Discovery Museum, Bridgeport, CT to be held on May 21, 2011 to be held on May 21, 2011 www.discoverymuseum.org/rubegoldberg2011 www.discoverymuseum.org/rubegoldberg2011 Cover Art: Based on an Original Norman Rockwell illustration © The Curtis Publishing Company *PATENTED Dilbert © United Feature Syndicate, Inc. © COPYRIGHT 2011 OMEGA ENGINEERING, INC. ALL RIGHTS RESERVED Dilbert © United Feature Syndicate, Inc. © COPYRIGHT 2011 OMEGA ENGINEERING, INC. ALL RIGHTS RESERVED CT1105_full page ads.indd 2 4/26/11 11:10 AM CONTRL_IFC_0511_Control Design 4/25/11 9:42 AM Page 1 CONTRL_FRHP_0511_Control Design 4/12/11 9:10 AM Page 1 Where Do I Go forPressure, Strain and Force Products? Where Do I Go forTemperature Products? omega.com, omega.com, of Course! of Course! Your single source for process measurement and control products! Your single source for process measurement and control products! Pressure Transducers for Compressor Control Ideal for Food, Dairy, Beverage and Biopharm Industries High Accuracy Pressure Transducers mini DIN Cable Now with 0.05% Accuracy and 0.03% style style SanitaryRTD Probes Linearity Options Standard Duty with Integral Cable Twist-lock PX409 Series style Starts at $475 PRS-3-100-CB $120 MADE IN (cid:31) 316L SS Wetted USA Surfaces 32 pin or Better Finish (cid:31) 4-Wire Pt100 MADE IN Now available Class A Element with M12 Standard Connector! USA Order Model Visit (cid:31) -50 to 200°C (-58 to PX459 omega.com/px409_series © Damianpalus / Dreamstime.com 392°F) Temperature Range AMHliulg lhSt-timPaieenrdlfeioasr smC Saotnmecpeeal StTiirblaiicnliostydnucer misntyi lDeIN Twisstty-lleock MCWoiinmthipa Trteuhsrreos iuIognndh uL-Bosotarddiay Cl ell PPArapetpctleiicsrniao tfnioo rSn tsSrtaaitni cG aagned LDiynneaamric TechnPoXlSo3tg0a$y19r7t Ss5e arties Csatybllee Mounting Holes LC$G5B2-55K SPSGktDag$ r 4Sot5esf r a1i et 0 s CIPF Paornro dUc seSesa snienits ary MADE IN MADE IN 32 pin Finish USA Visit Visit omega.com/px309 Visit omega.com/lcgb USA omega.com/sgd_linear1-axis Visit omega.com/prs-3-100-cb © Nadejda Degtyareva / Dreamstime.com Advanced Digital Very High Accuracy Digital Miniature Universal Load Force Gauges Pressure Gauge, Cells Standardand Metric WirelessTransmitter The “All-in-One” High-Performance Molten Metal DFG55 LC202/LCM202 Series Surface Thermocouple InfraredThermometer Ceramic Sheath SSta$e9rr9tise5 sat SDStPa$e6Grr9ti4se50 sa9t Sta$5r6ts0 at SStaA$r81t0sX Lat *OS-D$2T789855WTM TherNmE$8oP7c-5ToXuple MADE IN 5-Pack MADE IN FREE! FREE! USA USA MADE IN Visit Visit Visit Visit HaHnadrbdobooku nadnd omega.com/dfg55 omega.com/dpg409 omega.com/lc202 USA HPORT OEFSF STH!E Vomiseitg a.com/sa1xl ooms-edgt8a8.c5o5mw/ Vomiseitg a.com/nep-tx Encyclopedia 1⁄16DIN Temperature, Process All Stainless Steel Transducers and Strain Meters and PID High-Performance Silicon Controllers Technology CNi16 Series PX309-100MV Find thousands Visit omega.com Sta$2r2ts5 at $175 SPtaXr4ts3 9a t of pressure, strain and to order your FREEcopy of Submersible $579 force products in one place! DilbertTMCONTROLCATTMNew Horizons® Water Level Visit omega.comto order your FREEcopy in Temperature, Pressure, Flow and Transmitters of The OMEGA®Pressure, Strain and Force Measurement Handbook and Encyclopedia More! Version No. 28 Featuring Visit Visit meter sold 105 DILBERT Cartoons! Visit omega.com/cni16_series omega.com/px309 omega.com/px437 separately Shop Online at For Sales and Service, Call TOLL FREE Omega Engineering is a Proud Sponsor of the Omega Engineering is a Proud Sponsor of the Shop Online at Rube Goldberg 2011 Machine Contest For Sales and Service, Call TOLL FREE Rube Goldberg 2011 Machine Contest Hosted by Discovery Museum, Bridgeport, CT Hosted by Discovery Museum, Bridgeport, CT to be held on May 21, 2011 to be held on May 21, 2011 www.discoverymuseum.org/rubegoldberg2011 www.discoverymuseum.org/rubegoldberg2011 Cover Art: Based on an Original Norman Rockwell illustration © The Curtis Publishing Company *PATENTED Dilbert © United Feature Syndicate, Inc. © COPYRIGHT 2011 OMEGA ENGINEERING, INC. ALL RIGHTS RESERVED Dilbert © United Feature Syndicate, Inc. © COPYRIGHT 2011 OMEGA ENGINEERING, INC. ALL RIGHTS RESERVED CT1105_full page ads.indd 3 4/26/11 11:10 AM System 800xA Extended Automation The Power of Integration Profitable collaboration. Operational excellence can only be achieved through collaboration between people and systems. ABB’s System 800xA Extended Automation platform provides the collaborative environment necessary for various organizations and departments to work as one. Utilizing System 800xA’s patented Aspect Object Technology, information is integrated from various plant systems, applications, and devices and presented as one plant-wide view enabling informed, real-time decision making. That’s the power of integration. For more information visit www.abb.com/controlsystems CUTS1_1A0d5v__fu8l0l 0pxaAge.in addds . i n1dd 4 2010-40/92-52/111 1 33:.5359 PM May 2011 • Volume XXIV • Number 5 f e at u r e s C o n t r o l S y S t e M S 45 / IeC 61131-3 by the numbers The IEC 61131-3 standard for controllers; what it is, what it is not, and its benefits. by Jeremy Pollard. a D v a n C e D p r o C e S S C o n t r o l 51 / Meditating on Disturbance Dynamics Managing control loops requires a deep understanding of setpoint, load path and noise. by F. Greg Shinskey Cover Story W e B e X C L u s I V e s 30 / Distributed Safety arrives The Nuclear Mess. by Walt Boyes Just like distributed control, distributed safety is soon com- www.controlglobal.com/Nuclear_1105/html. ing to a process plant near you, maybe your own. by Dan Hebert, PE. Motor and Drives Grab Bag. by Jim Montague www.controlglobal.com/MotorsDrives_1105.html Process Control News from across the Atlantic. by Nick Denbow www.controlglobal.com/IAI CONTROL (ISSN 1049-5541) is published monthly by PUTMAN Media COMPANY (also publishers of CONTROL DESIGN, CHEMICAL PROCESSING, FOOD PROCESSING, INDUSTRIAL NETwORkING, PHARMACEUTICAL MANUFACTURING, and PLANT SERVICES ), 555 w. Pierce Rd., Ste. 301, Itasca, IL 60143. (Phone 630/467-1300; Fax 630/467-1124.) Address all correspondence to Editorial and Executive Offices, same ad- dress. Periodicals Postage Paid at Itasca, IL, and at additional mailing offices. Printed in the United States. ©Putman Media 2010. All rights reserved. The contents of this publication may not be reproduced in whole or part without consent of the copyright owner. POSTMASTER: Send address changes to CONTROL, P.O. Box 3428, Northbrook, IL 60065-3428. SUBSCRIPTIONS: Qualified-reader subscriptions are accepted from Operating Management in the control industry at no charge. To apply for qualified-reader subscription, fill in subscription form. To non-qualified subscribers in the U.S. and its possessions, subscriptions are $70.00 per year. Single copies are $15.00 domestic, $17.00 foreign. Subscriptions for Canada and Mexico are $112.00. Foreign subscriptions outside of Canada and Mexico accepted at $125.00 per year for surface and $210.00 for airmail. CONTROL assumes no responsibility for validity of claims in items reported. Canada Post International Publications Mail Product Sales Agreement No. 40028661. Canadian Mail Distributor Information: Frontier/BwI,PO Box 1051,Fort Erie,Ontario, Canada, L2A 5N8. May/2011 www.controlglobal.com 5 CT1105_05_07_TOC.indd 5 4/25/11 4:18 PM The information you need at your fingertips. Information at your fingertips in seconds! Whether you’re planning, procuring, installing and commissioning or operating a plant, W@M – Life Cycle Management from Endress+Hauser keeps you up to date on the complete installed base of pro- cess automation equipment, even for non-Endress+Hauser products. W@M is designed as an open and flexible information platform with software applications and services that reduce equipment failure and plant downtime, and minimize repair and maintenance costs, cutting total life cycle costs. Talk to us today. We’ll be glad to tell you more about how W@M can help improve your business. www.us.endress.com/W@M Endress+Hauser, Inc 2350 Endress Place Greenwood, IN 46143 Sales: 888-ENDRESS [email protected] Service: 800-642-8737 www.us.endress.com Fax: 317-535-8498 CT1105_full page ads.indd 6 4/26/11 11:14 AM May 2011 • Volume XXIV • Number 5 Calibration - “A core competence” D E PA R T M E N T S 9 / Editor’s Page 56 / Technically Speaking a headline you will never see: “Good engi- dan Hebert takes on the accurate measure- neering Saves Millions in tsunami.” ment of slurry flows. 13 / On the Web 57 / Ask the Experts Jim Montague dives deep below the fold on our experts take on weather, plus compen- ControlGlobal.com for gems you may have sation, transmission and standardization. missed. 59 / Roundup • ISO17025 certification 15 / Feedback What’s new in level instrumentation. for laboratory and field readers speak out on process automa- calibration from A2LA tion’s future and control valves versus 61 / Products • Instrument calibration VFds. Process automation must-haves, plus an ex- across a variety of measuring clusive look at FCi’s new St 100 flowmeter principles - flow, pressure 16 / Lessons Learned series. and temperature - on most What went wrong at Fukushima, Part 1. manufacturers’ instruments 64 / Control Talk 21 / On the Bus • Calibration performed at McMillan and Weiner look at extraordinary our calibration laboratories india gets the benefits of fieldbus. Pid innovations. or at your facility 22 / In Process 67 / Ad Index • Calibration laboratories located at multiple locations in news from around the process automa- a few words from our sponsors. the US and around the globe tion world. 68/ Control Report • Mobile calibration trailers 29 / Resources located across the US Jim Montague is gagging on green, and is Fieldbus resources online. on a search for real sustainability. • Network of highly trained service professionals equipped with innovative tools and software to support your critical calibration requirements www.us.endress.com/calibration CirCulation audited June 2010 Chemicals & Allied Products 12,548 Rubber and Miscellaneous Plastic Products 4,403 Food & Kindred Products 12,638 Stone, Clay, Glass & Concrete products 2,057 Paper & Allied Products 3,470 Textile Mill Products 1,361 Primary Metal Industries 5,445 Petroleum Refining & Related Industries 3,877 Electric, Gas & Sanitary Services 3,116 Tobacco Products 115 System Integrators & Engineering Design Firms 8,912 Total circulation 63,006 CT1105_05_07_TOC.indd 7 4/26/11 11:45 AM 1012-Control-ProcessSensors-MAG:thermocouples 11/19/2010 1:37 PM Page 1 Over 120 thermocouple and RTD sensors are pre-built stock items - NEW! RTD sensors starting at $2900 order today, they ship today!* These 100 ohm platinum RTDs are available as 3-wire elements (except where noted) with Class A accuracy. • Probes with connection head NEW! Thermocouples starting at $1525 • Spring-loaded probes with connection head • Probes with hex nipple Get the most popular thermocouple probe • Spring-loaded probes with hex nipple configurations at practical direct prices. • Probes with attached plug • Probes with lead wire transition • Probes with connection head • Bolt-on ring RTD sensors • Spring-loaded probes with connection head • Probes with M12 cable connector(3- and 4-wire elements) • Probes with hex nipple • Sanitary Clean-in-Place (CIP) probes • Spring-loaded probes with hex nipple • Probes with attached plug • Probes with lead wire transition NEW! Extension Wire 50 ft. and 100 ft. lengths • Adjustable immersion thermocouple sensors • Thermocouple extension wire for Types J and K with standard • Bolt-on ring thermocouple sensors ASTM/ANSI color coding • RTD extension wire specially constructed to offer superior performance • Probes have type J or K thermocouple elements to meet many compared to “off-the-shelf” cable temperature sensing applications • Made in the USA Accessories • RoHS • Compression mounting fittings for temperature probes • Bayonet mounting adapter for temperature sensors T hermowells starting at $2350 • Thermocouple and RTD connectors • Thermowells for RTD probes with M12 cable connector • NEW!Thermowells for spring-loaded thermocouple For complete details or to order, visit: and RTD probes www.automationdirect.com/temp-sensors www.automationdirect.com Go online or call to get complete information, *When ordered by 6 pm EST, with company P.O. or credit card. request your free catalog, or place an order. See Web site for complete details. 1-800-633-0405 CT1105_full page ads.indd 8 4/25/11 3:57 PM EDITOR’S PAGE A headline You Will never See “Good Engineering Saves Millions of Lives After Earthquake, Tsunami” is a headline you will never see in the mainstream press or even in much of the technical media. But it should be trumpeted far and wide. That’s because it’s true. But why isn’t this being dis- Walt boyes Editor in chiEf cussed? You have to ask yourself why. [email protected] In 1923, Japan suffered what has been called Almost certainly, the press can get away with the Great Kant Quake—a triple blow with a this abysmal level of reporting because the sci- typhoon, a large earthquake and a tsunami oc- entific literacy of the population is so low—and curring simultaneously. More than 100,000 so is that of most reporters. people died, and another 42,000 went missing, Even the NRC, the Japanese power com- mostly from earthquake-caused fires in Tokyo pany TEPCO and the Nuclear Energy Insti- and from the 10-meter-tall tsunami waves. One tute don’t attempt to put responsible perspec- of the few buildings in Tokyo barely damaged tive into their reports. They will, for example, by the quake was the Imperial Hotel, designed say that the levels of radioactive iodine are by Frank Lloyd Wright to be earthquake-resis- “high,” but they don’t explain what that means, tant according to the best standards of the time, nor do they explain why they then say, “There’s and which remained in use until 1968. no immediate danger to the population.” Any- So far, in the aftermath of the 2011 earth- body raised since Three Mile Island has had it quake and tsunami, there are far fewer deaths drummed into their heads that the phrase “no and much less destruction, even though the immediate danger” must mean its opposite. magnitude of the quake appears to have been This is not an attempt to whitewash TEPCO far greater. Again, you have to ask yourself why. or the Fukushima Daiichi plant staff and res- And then there is the continuing drama of cue workers. They’ve clearly made some inter- Fukushima Daiichi. Based on the news reports esting and possibly quite poor decisions since at this writing, the reactors have variously sur- the tsunami and quake, and they have a history vived, melted down, had partial meltdowns, ex- of falsifying reports that goes quite a way back. ploded, produced clouds of radioactive smoke What the reporting since the earthquake or are raging out of control. In other words, the shows is that the public conception of engineer- media community has no blinkin’ idea what is ing and its value is nearly nonexistent. Other- going on. Once more, you have to ask why. wise, all the engineering man-centuries that Certainly, the media can turn to experts, but went into earthquake proofing Japan’s struc- unfortunately, the progression of experts has tures, and all the engineering man-hours going moved from the more knowledgeable to the into keeping Fukushima Daiichi from becom- The press can get more sensational. Why is that? ing a real disaster instead of an imagined one Part of the reason is sensationalism itself. A would be getting coverage on page one. away with abysmal world-ending nuclear-meltdown crisis is much But none of the large media outlets are even more exciting than a story about very dedicated trying to focus on the fact that the death toll reporting because engineers and technicians risking their lives to from this quake and tsunami is going to be less get the reactors cooled down, so they can be than half that of the 1923 quake, even with a the scientific repaired. It is much more exciting to report on significantly higher population. Why? Because a collapsed building than on the several nearby of engineering. Good engineering. literacy of the that did not, and why they didn’t. But you have to ask yourself why the news population is so media think they can get away with this kind of terrible, non-factual (sometimes clearly even low. fictional) reporting. May/2011 www.controlglobal.com 9 CT1105_09_Edit.indd 9 4/25/11 4:19 PM Name Hector Guajardo Betancourt, Certifi ed LabVIEW Architect Job Title Automated Test and Control Engineer Area of Expertise Manufacturing Test LabVIEW Helped Me Reduce test time by more than 10X Latest Project Building a vision-based inspection system for washing machine drums NI LabVIEW LabVIEW makes me better because I can deliver multiple PROJECTS on time, on spec, and on budget >> Find out how LabVIEW can make you better at ni.com/labview/better 800 453 6202 ©2011 National Instruments. All rights reserved. LabVIEW, National Instruments, NI, and ni.com are trademarks of National Instruments. Other product and company names listed are trademarks or trade names of their respective companies. 01197 Hector_107H.indd 1 4/6/11 3:11:59 PM CT1105_full page ads.indd 10 4/26/11 10:41 AM
Description:The list of books you might like
