Control Engineering July 2016.pdf

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The mighty micro with a pico price!
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Modbus RTU, ASCII, and Modbus TCP communication
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8 discrete input points and 6 discrete output points
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* See our Web site for details and restrictions. © Copyright 2015 AutomationDirect, Cumming, GA USA. All rights reserved.
1-800-633-0405
the #1 value in automation
input #1 at www.controleng.com/information
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input #2 at www.controleng.com/information
J
ULY
2016
Vol. 63
Number 7
Features
23
Information from wireless transmitters
saves energy
Wireless transmitters provide information, increase energy ef ciency.
26
Energy-saving control projects
Tracking energy usage at the plant, production line, and equipment
level can help monitor and reduce energy usage, saving resources.
COVER:
Refinery cooling towers are among opportunities to reduce
energy and chemical consumption by using wireless monitoring.
Courtesy: Emerson Process Management
23
27
Harmonics and utility costs
Know how to make power-related measurements to avoid utility
contract violations and penalties for facilities.
29
Surviving a control system migration project
Control system migration projects can provide signi cant value to
industrial operations by ensuring a smooth transition to newer technol-
ogy with few changes to physical wiring or intellectual property.
32
Updating process control systems
Replacing legacy control systems with new technology creates an op-
portunity to bene t from modern systems and advanced technologies.
29
33
DCS migrations: Opportunity for
improvement, or operational disaster
When planning a distributed control system (DCS) migration, some of
the old can be retained; don’t go too far. Training is critical to safety.
36
PC-based controls: Busting myths
PC-based control systems can increase performance, decrease costs,
and increase system lifecycle bene ts. See myths and bene ts.
39
Time-sensitive networking and Industrial IoT
Industrial Internet of Things (IIoT) will rely on time-sensitive networking
(TSN). IIoT creates a smart system of systems. Here’s how TSN helps.
41
Control and automation systems for facilities
In smaller facilities, up to a handful of people might be in charge of the
process control system. Multiple facility integration may be required.
39
CONTROL ENGINEERING (ISSN 0010-8049, Vol. 63, No. 7, GST #123397457) is pub-
lished 12x per year, Monthly by CFE Media, LLC, 1111 W. 22nd Street, Suite #250, Oak
Brook, IL 60523.
Jim Langhenry, Group Publisher /Co-Founder; Steve Rourke CEO/COO/
Co-Founder. CONTROL ENGINEERING copyright 2016 by CFE Media, LLC. All rights reserved.
CONTROL ENGINEERING is a registered trademark of CFE Media, LLC used under license.
Periodicals postage paid at Oak Brook, IL 60523 and additional mailing offices. Circulation
records are maintained at CFE Media, LLC, 1111 W. 22nd Street, Suite #250, Oak Brook, IL
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lications Mail Agreement No. 40685520. Return undeliverable Canadian addresses
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$325/yr. Except for special issues where price changes are indicated, single copies are
available for $30.00 US and $35.00 foreign. Please address all subscription mail to CON-
TROL ENGINEERING, 1111 W. 22nd Street, Suite #250, Oak Brook, IL 60523. Printed in the
USA. CFE Media, LLC does not assume and hereby disclaims any liability to any person for
any loss or damage caused by errors or omissions in the material contained herein, regard-
less of whether such errors result from negligence, accident or any other cause whatsoever.
43
Integrating multiple control systems
Control system integration: Few plants have one monolithic controller
running everything. Subsystems often require connections.
47
Road to IANA
59
Digital Edition Exclusives
Capturing value from disruption in manufacturing; Advice on securing
the supply chain
2
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JULY 2016
CONTROL ENGINEERING
www.controleng.com
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