Embedded computer terminal

Types of embedded computer terminals

An embedded computer terminal is a system that executes computing tasks and is integrated inside machines and devices instead of being a separate unit. Various kinds of embedded computer terminals are available depending on the criteria outlined below. They include;

• Application

  The type of application or industry in which the terminal will be used plays a vital role in determining the kind of embedded computer terminal to be used. For instance, a marine terminal can be used on ships, while a medical terminal can be used in a hospital setting.

• Design

  The design of the terminal is essential when determining the type to be used. A terminal with a designer form factor can be incorporated into existing applications and products. On the other hand, a rugged terminal can be used in harsh environments since it has a rugged design.

• Mounting

  The mounting capabilities of a terminal help differentiate between the types available. A wall-mounted terminal can be mounted on walls, while a DIN rail-mounted terminal can be mounted on DIN rails.

• Connectivity

  The kind of embedded terminal also depends on connectivity features. A terminal with Ethernet connectivity can be connected directly to an Ethernet network, while one with cellular connectivity can be connected via cellular networks.

• I/O interfaces

  The input and output interfaces of a terminal helps classify them into different categories. A terminal with USB and serial ports is suitable for connecting devices like keyboards and mice.

• Processor architecture

  The architecture of the terminal's processor helps classify it into different types. An x86 embedded terminal can run x86-based operating systems, while an Arm-based one can run Arm-compatible operating systems.

• Mounting

  The kind of terminal embedded in a computer also determines the type. An embedded terminal with a display terminal can be type-a or type-b, depending on the specifications.

Functions and features of embedded computer terminals

The functions and features of terminal embedded computers largely depend on the application. Nevertheless, here are some of the basic functions and features of a computer terminal:

• Input and Output Devices: Embedded computer terminals have input devices such as keyboards and mice, touchscreens, and voice recognition systems to collect data and commands from users. They also have output devices like monitors, printers, and speakers to present information to the user. The input and output devices allow a two-way interaction between the user and the terminal.
• Connectivity: Terminals in embedded systems support various types of connectivity to enable communication with other devices, networks, and peripherals. This includes wired connections like Ethernet and serial ports (RS-232 or USB) and wireless connectivity like Wi-Fi, Bluetooth, or cellular networks (3G, 4G, LTE).
• Processing Power: The processing power of an embedded computing terminal varies depending on the terminal's purpose. Simple terminals may come with basic processors sufficient to handle light-duty tasks such as data entry and basic web browsing. On the other hand, complex terminals may come with powerful multi-core processors designed to run resource-intensive applications.
• Operating System: Most embedded computer terminals run on specialized operating systems (OS) that are efficient, stable, and have a small footprint. Some common operating systems include Windows Embedded, Linux, and Android. The OS provides the necessary software frameworks for application development and execution.
• Environmentally Sealed Housing: Many embedded terminal computers are used in environments exposed to dust, moisture, and extreme temperatures. These terminals have sealed housings to prevent hazardous materials from entering the computer and damaging internal components. In addition, sealed housing minimizes the need for terminal maintenance activities like cleaning.
• Mounting Options: An embedded terminal for computer can be mounted or portable. Portable terminals are lightweight and handheld for easy movement around the work site. Terminals that are not portable can be mounted using various mounting options, such as VESA mounts, panel mounts, or desktop stands.

Applications of Embedded Computer Terminals

Applications for embedded computer terminals vary widely depending upon the specific features and capabilities of each unit as well as the industries they are intended for. In a general sense, applications for embedded computer terminals are anything that requires a compact yet powerful computer system to perform specific tasks efficiently and reliably.

• Industrial Automation: In factories, computer terminals embedded devices can control equipment like machines, robots doing repetitive tasks really well while monitoring their health so problems can be fixed before production is affected. They also keep track of everything being made through devices measuring things such as amount produced plus quality checks, all helping factories work better and quicker.
• Transportation and Logistics: Locations like highways or city streets use small computers built into things like cameras or radar sensors detecting how fast vehicles go, along with satellite systems measuring their exact position. This aids in the safe and efficient regulation of transport systems.
• Healthcare: Small computers are found inside medical devices, checking stuff like heart rate, temperature, and how much oxygen is in the blood. They store this information electronically, allowing doctors to see it on a screen later. These little terminals also keep track of the medical device's condition, letting someone know if it needs to be fixed.
• Retail and Point of Sale: In shops, they help cashiers scan items as they're checked out and keep track of sales. In restaurants, waiters can use them to order food from the kitchen and get paid at the tables.
• Energy and Utilities: Embedded computer terminals are used to measure how much power is being produced and make sure everything is working correctly, which helps power plants run smoothly. They also keep track of different kinds of energy, like solar panels taking care of the solar cells and wind turbines looking after the windmill parts.
• Military and Defense: Terminal computers are used for tactical decisions, communication, and logistics in military operations, enhancing efficiency and responsiveness in the field.
• Building Automation: They manage and control systems for heating, cooling, ventilation, lighting, and security in commercial and residential buildings.
• Agriculture: These small computers are used in agricultural activities to automate functions, gather data, and monitor equipment, which enhances productivity and optimizes resource use.

How to choose an embedded computer terminal?

Choosing the right in embedded computer terminal for a business application is of utmost importance. Before making a bulk purchase, it is imperative to evaluate various options and narrow down the ideal terminal to fit specific business needs. Here are some important factors to consider before choosing an embedded computer terminal.

• Applications/Industry: The applications and specific industries determine which embedded terminal is suitable to meet business demands. For instance, automotive applications use different terminals than gaming applications. Considering the applications at hand helps one to choose the ideal embedded computer that can perform exceptionally.
• Hardware Configuration: The hardware configuration of the computer includes essential components such as storage capacity, RAM and Processor. These specifications are fundamental as they determine the performance of the embedded computer terminal. A terminal with better configuration offers better performance.
• Connectivity: Most applications and users need different connectivity options. Therefore, an ideal embedded computer terminal should possess enough connectivity to accommodate a wide range of peripheral devices, accessories and peripherals. This terminal should include ports like RS-232, USB, HDMI, LAN, audio interface, among others.
• Mounting Options: Mounting options are important factors to consider when deciding the best embedded computer terminal. Depending on the placement, buyers can decide to go for a wall mount option or a stand-mounted option. In other cases, buyers can opt for computers with no mounting options at all.
• Display: Another pivotal decision to make is the display. Buyers can choose to go for a touchscreen display or a non touch terminal. Moreover, the size of the display is an essential aspect to consider as well.
• Environmental Factors: Generally, embedded terminals are designed to withstand harsh conditions and operating environments. Factors such as vibration, humidity, dust, temperature and altitude should be put into consideration before placing an order.
• Budget: Budget considerations are a crucial factor in the purchase decision. However, pricing shouldn't compromise the performance and embedded terminal needs. Although buyers should stick to the budget, it's important to note that a computer terminal with better specifications is likely to cost more.

Q & A

Q1. What is an embedded computer terminal?

A1. An embedded computer terminal is a lightweight, compact computing system designed for specific functions within a larger system. It often features a Touchscreen and is built for durability and reliability in industrial or commercial settings.

Q2. What are the benefits of using an embedded terminal?

A2. Benefits include space savings due to a compact design, reduced power consumption, and the terminal's ability to withstand harsh conditions (if ruggedized). They can be tailored to specific applications, resulting in optimized performance.

Q3. What applications use embedded terminals?

A3. Industries such as manufacturing, transportation, healthcare, and retail utilize embedded terminals for automation, point-of-sale transactions, data collection, and monitoring equipment, among other tasks.

Q4. Can terminals be updated or upgraded?

A4. Yes, depending on the design and terminal's specifications, software updates can be applied to ensure continued functionality and security. Hardware upgrades may also be possible, but they require customization and may be limited by the terminal's original components.

Q5. How is the terminal maintained?

A5. Regular maintenance, such as cleaning the screen and checking connections, is required to keep embedded computer terminals functioning. Users should also ensure software is updated and terminals are used within specified guidelines to promote longevity.