In today's highly competitive market environment, improving the efficiency of production and supply chains is two ways to achieve success. These improvements and improvements include enhancing machine reliability, planning to streamline their ease of use, or providing more accurate data for their operation. These ideas can be successfully implemented based on how the industrial automation system is used for information transfer in the factory.
What is happening in the factory?
In order to keep the machine running smoothly, the operator must quickly identify any faults that may occur on the line. For example, a soda bottling machine needs to alert the operator to add soda based on the amount of remaining steam. Once the system senses that the remaining amount of steam is insufficient, the system then displays a status update on the display of the handheld device, the large control room, or the machine itself through a human machine interface (HMI). HMIs range from simple segmented display devices to high resolution LCD displays.
Display systems typically have an application processor running an operating system such as Linux or VXWorks®, which enables access to frameworks such as Qt for graphical user interface (GUI) design. Some processors even include graphics accelerators to provide sophisticated graphics processing while reducing the load on the main processor. Extensive 2D or 3D display capabilities have been implemented on TI's ARM-based SitaraTM processor.
Now, since the data can be displayed via the HMI, the next step is to collect data from other places in the factory.
How is data transmitted over the network?
Because the product is connected to a programmable controller (PLC) through a low-latency real-time network, the sensor network is able to capture information about these products as they move through the product line. These networks use specialized industrial Ethernet communication protocols to send information in milliseconds to ensure that PLC-to-interconnect devices operate faster than any human operation. In addition, industrial Ethernet protocols often use redundancy measures to ensure information transfer in the event of a network outage.
When using Sitara processors, these industrial communications can run on programmable real-time units and industrial communication systems (PRU-ICSS). This extra PRU core allows for the implementation of multiple protocols, making it easier to set up many different protocols with the same device, eliminating the need to use a custom ASIC device for each protocol, saving time and resources. For the factory, having a reprogrammable device means that they no longer need to change the entire network to connect different components together.
These Ethernet networks can meet many factory needs, but wireless connectivity can provide a better solution.
How to use Wi-Fi to improve connectivity?
Large machines are often used in factories, and it is difficult for human operators to access these machines with characteristic displays or access points because these machines are often located at very high altitudes or the display is mounted in very small spaces. To get information from these hard-to-reach places, Wi-Fi sensors can relay data to a relatively convenient location, such as a control room. And by integrating cloud services, workers can access not only specific information from a smartphone, but also historical data or statistics on a particular component of the machine.
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