Page 25 - Gi flipbook_May 2019
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Phil Pett, Technical Sales Manager at EOGB Energy       RFID tags can be assigned to items in
                           Products, discusses the advancement of PLCs and         a wide range of applications including
                           other technologies, and the role these will play in     retail supply chains and banking, such
                           boiler and burner applications of the future            as contactless payment cards.
                                                                                     For heating, a typical application is on
                                                                                   the production of components for HVAC
                       oilers and burners play a key   control valves and meters) and their   equipment. The tag stores the history
                       role in providing space heating   maintenance/service history.  of the job materials and equipment
                       and hot water for commercial   We will see RFID/IOT gradually   in addition to spare part numbers,
                       buildings, as well as being a   replace distributed control systems   maintenance and troubleshooting
                B critical component of industrial   (DCS), but it is likely that traditional   information, which can be extremely
                 process operations. However, managing   master control PLC-based units will   beneficial in complex structures such as
                 their sequencing, while running   remain in place for many more years   burners, boilers, and high-pressure tubing.
                 different operating modes and states,   due to their perceived reliability and
                 can present complex challenges.  inherent safety level (although the   AR applications improve
                   Therefore, programmable logic   connected security of such systems has
                 controllers (PLCs) are often used to   been highlighted by malicious attacks,   plant safety by eradicating the
                 modify the operation of a control   such as Stuxnet.)             need for personnel to touch
                 system. First introduced in the                                   any part of the plant, such as
                 1960s, PLCs are used in many heat   The Internet of Things        high pressure/temperature
                 applications, helping to improve   The Internet of Things (IOT) is the
                 operation and controllability of the   collective term for equipment, gadgets   apparatus, live voltage
                 burner or boiler system, resulting in   and components that produce data   equipment or rotating heavy
                 lower operating and maintenance costs.   and can be connected to the internet,   machinery, while still being able
                   Over the years, with the advancement   allowing other devices (or humans)   to acquire and identify its status
                 in new technology, PLCs have evolved to   to share and interact with the data
                 offer improved features such as greater   produced in real-time.
                 programming flexibility, smaller sizes   Increasingly, many commercial   Augmented reality
                 and integrated wireless operation.  and industrial components, as well as   Augmented reality (AR) is the
                                                  domestic, are starting to be connected   integration of visual based graphics
                 The heating system of the future  via the internet or a closed intranet.   over real-world data.
                 A ‘heating system of the future’ solution   Systems like Genius Hub can replace   AR, in conjunction with RFID, can
                 starts with the Internet of Things (IOT)   traditional heating control devices in   be used to identify components of the
                 and radio-frequency identification   commercial buildings or the home such   boiler plant and superimpose these
                 (RFID) technology to collect and   as thermostats and radiator valves by   graphics over a live camera image on a
                 track heating system data via a Wi-Fi   utilising wireless connections to save   tablet or smartphone. By touching any
                 connection. This allows for a holistic   energy and gather data.   superimposed graphic, more detailed
                 system which will manage a process   It has been predicted that by 2020 each   information can be displayed such as
                 with safety, efficiency and improved   human will have more than four devices   part identification, an interface for
                 preventive maintenance on a single   connected to the internet, showing   ordering replacement parts, process
                 platform. Augmented reality (AR)   the exponential growth of the internet   data and service history and help in
                 can also enhance the management of   worldwide and the evolution of IOT.   maintenance troubleshooting with
                 complete systems.                                                 remote technical support.
                                                  Radio-frequency identification (RFID)  AR applications improve plant safety
                                                  RFID is the use of radio waves to   by eradicating the need for personnel to
                 Systems such as Genius Hub       identify, track and interact with   touch any part of the plant, such as high
                 can replace traditional heating   information stored on a miniature   pressure/temperature apparatus, live
                 control devices in commercial    electronic printed circuit board or ‘tag’.   voltage equipment or rotating heavy
                 buildings or the home such
                 as thermostats and radiator
                 valves by utilising wireless
                 connections to save energy and
                 gather data


                   Existing operations management is
                 improved by using these technologies,
                 allowing further automation at lower
                 cost due to a reduction in PLC I/O
                 (input/output) loading and no hard
                 wiring. Safety and efficiency are also
                 enhanced by creating a plant plan that
                 can provide an inventory of the assets
                 (such as boilers, tanks and piping),
                 process equipment (including pumps,                            AN EXAMPLE OF A BESPOKE PLC CONTROL SYSTEM FOR A STEAM BOILER SYSTEM



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        HeatingControl.indd   2                                                                                   16/04/2019   19:02
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