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Comparative Analysis of the Cost and Advantages and Disadvantages of Upgrading IoT of Old Equipment
Large IoT devices are expected to change from basic devices to satellites. But can these benefits be added to the vast installed base of existing legacy equipment and infrastructure? After all, most of the old devices have been around for decades and still work. It takes trillions of dollars to upgrade and replace, so no matter how much profit you can get, this replacement process can't speed up.
For older equipment, the technicians said that the biggest benefit of retrofitting old equipment is that it can take advantage of modern analytical tools just like new equipment. You can save money by using the same maintenance methods as new equipment. Modern maintenance procedures may be more important when dealing with aging equipment that may present a higher risk of failure and unplanned downtime. It is much cheaper than the capital cost of ripping and replacing existing control systems. Legacy IoT upgrades typically require increased efficiency and reduced energy consumption after certain business outcomes or requirements are identified.
How big is the Internet of Things upgrade market? Technicians estimate that old equipment upgrades account for about 22% of the total value of the Internet of Things market of $1.7 trillion. Upgrading legacy systems can save more than 70% compared to the new IoT installation, especially when adding multiple legacy systems to a single IoT gateway device. Using wireless sensors greatly reduces the amount of wiring required for the network and individual sensors.
Edge computing plays a crucial role in this process, especially if bandwidth or network latency issues are limited. Once we have built the sensors, we need to select the edge service to read the values ​​of the sensors and pass their values ​​back to the database. We must also build networks we can access: wired LAN, Wi-Fi, cellular, satellite, and more. We must decide whether the data is going to enter the factory MES, enterprise database or cloud storage. Using edge calculations allows AspenTech to combine or adjust signals to help alleviate any network problems.
The most difficult part of bringing the Internet of Things to the old system seems to be the uniqueness of dealing with each legacy situation, and the one-time features often do not have accurate documentation. Older equipment sometimes requires the necessary, unique design steps in each case, and avoids disrupting existing control schemes and operations of traditional systems. We must be careful not to create new problems. If the legacy system uses an older communication protocol, then we must ensure that no bandwidth or processor is overloaded. With the new IoT sensors, you need to choose the right new IoT sensors and instruments to solve specific problems. But this requires a higher level of operational technology expertise.
Still, this approach is still much simpler than full ripping and replacement. Sensors added to the old system remain outside of the existing controls to avoid disrupting the current operation. Sensors are usually only used to read values, not to change control inputs. Modern IoT, wireless, battery-powered sensors enable us to achieve this with the lowest cabling and power requirements, and adding IoT sensing helps prepare for future demands.