EXOR effectiveness View eV058 series HMI industrial panel

EXOR effectiveness View eV058 series HMI industrial panel

In the field of modern industrial automation and building control, human-machine interface (HMI) is a key bridge connecting operators with underlying control logic. For many entry-level applications with limited budgets but high requirements for stability and functionality, how to choose a cost-effective compact HMI panel has always been a focus of attention for on-site engineers and equipment manufacturers. The effectiveness View eV058-TST and eV058-TNT are compact industrial touch screens launched based on this demand. With a 5.7-inch TFT color display, rich communication interfaces, and powerful eVDesigner configuration software, they provide a cost-effective solution for factory automation and building automation.

This article will provide an in-depth analysis of these two products from the dimensions of hardware architecture, software configuration, core functions, on-site wiring, and fault diagnosis, helping engineers comprehensively master their deployment and optimization skills in complex industrial environments.

Analysis of Hardware Architecture and Display Characteristics

The effectiveness View eV058-TST and eV058-TNT both feature a compact panel design, equipped with a 5.7-inch TFT color display screen that supports 320 × 240 pixel resolution and can display 256 colors. The design of LED backlight not only improves the stability of screen brightness, but also significantly reduces power consumption. For control cabinets with limited space, this panel supports vertical screen mode operation, greatly enriching the flexibility of equipment installation.

At the interactive level, the panel adopts an analog resistive touch screen. Compared with capacitive screens, resistive screens have stronger adaptability when operated with gloves, in humid or oily environments, and are very suitable for complex working conditions in workshop sites and building equipment rooms. In addition, the panel is equipped with a buzzer that provides instant auditory feedback during touch operation, effectively reducing the false touch rate. In response to the stringent requirements for long-term operation in industrial environments, the equipment is also equipped with a real-time clock (RTC) with battery backup, ensuring that the system can accurately record alarm timestamps and trend data even after power outages and restarts. At the same time, the hardware supports screen saver and backlight dimming functions, which can automatically reduce brightness and extend backlight life when no one is operating.

In terms of storage and computation, the eV058 series offers 4MB of Flash user memory and 128KB to 1MB of battery backed RAM. This provides sufficient physical space for multi screen storage, recipe data preservation, and historical alarm recording of applications.

Differences in Communication Interfaces and Application Scenarios

The eV058 series is divided into two sub models, with the main difference being the configuration of communication interfaces. When selecting, engineers need to strictly match according to the communication protocol of the on-site equipment:

EV058-TST model: relies solely on serial communication. Provide COM1 (RS-232/RS-422/RS-485) and COM2 (RS-232/RS-485 or RS-422/RS-485). This configuration is suitable for distributed control networks composed of traditional PLCs, thermostats, frequency converters, and various instruments.

EV058-TNT model: On the basis of fully retaining the dual serial ports mentioned above, an additional 10/100 Ethernet interface has been added. This means that the model can easily connect to the factory LAN, enabling data exchange with the upper computer, SCADA system, or other Ethernet devices, making it suitable for applications that require remote monitoring or centralized data management.

As one of the core advantages of HMI, this series of panels supports multi driver communication capabilities and can exchange data with devices of different brands and protocols simultaneously. The configuration software also provides an extremely rich library of industrial equipment communication drivers, greatly reducing the difficulty of integrating heterogeneous systems.

EVDesigner Software: Efficient Configuration and Simulation Development

The effectiveness View family is all programmed using the unified eVDesigner software. This powerful configuration tool not only simplifies the development process, but its built-in simulation module is also the key to shortening the project development cycle. Engineers can complete interface layout, logic script writing, and communication testing on the PC side without a hardware panel, greatly improving programming efficiency.

The highlights of software features include:

Powerful project manager: supports simultaneous development of multiple applications and workspace management, suitable for modular programming.

Full vector graphics support: Perfectly compatible with TrueType fonts, ensuring that Chinese characters, numbers, and symbols are not distorted during image scaling.

Multilingual and Unicode support: Supports up to 10 online running languages. By exporting/importing text, engineers can easily complete translation work for international projects.

Dynamic data presentation: supports multiple dynamic data formats such as numerical values, text, bar charts, sliders, dashboards, and graphic images. Supports bitmap, JPEG, and dynamic GIF images, making visual design more impactful.

Visual object properties: The visibility, position, and other properties of an object can be dynamically controlled to meet the UI feedback requirements of complex logic.

Macro instructions and scripts: Built in easy-to-use scripting language editor, macro commands can be triggered by touch screen buttons, system events, or timers to achieve complex logical operations and data processing.

Core functions: data collection, formulation, and alarm management

In actual production and building management, data traceability and alarm processing are core necessities. The eV058 series performs very comprehensively in this regard:

Data collection and trend chart: The panel supports historical data collection and displays it in the form of trend charts, and trend data can be transferred to the upper computer to provide data support for equipment fault diagnosis and energy efficiency analysis.

Formula data storage: Supports formula management function, and formula data can also be exported to the upper computer. In scenarios such as food processing and chemical ingredients that require frequent switching of process parameters, this feature greatly reduces manual input errors.

Alarm and Event Management: Supports real-time alarm and historical alarm log functions. Alarm and event information can be directly output through a printer or transferred to the host computer via serial port/Ethernet. Combined with multi-level password protection function, operators with different permissions can only access their corresponding alarm confirmation, parameter modification and other operations, ensuring the data security of the system.

On site installation, wiring, and troubleshooting guide

In industrial sites, the stable operation of HMI depends not only on the product itself, but also on correct installation and wiring. For eV058-TST/TNT, engineers need to focus on the following points:

Power and grounding: A DC power supply that meets specifications (usually 24V DC) must be used, and the panel must be well grounded to suppress electromagnetic interference (EMI), prevent touch screen drift or communication interruption.

Serial communication wiring (COM1/COM2): When communicating over long distances with RS-485 or RS-422, it is necessary to use twisted pair shielded wires and connect matching terminal resistors at the end devices of the bus. Pay attention to distinguishing the pin definitions of COM1 and COM2 (especially the switching of COM2 between RS-232 and RS-422/485), as wiring errors are a common cause of communication failure.

Ethernet communication (TNT only): It is recommended to use industrial grade shielded Ethernet cables and ensure that the IP address of the HMI device is on the same network segment as other devices in the local area network. If packet loss is severe, the network switch should be checked for broadcast storms, or a direct test using a crossover connection should be attempted.

Touch screen calibration and battery replacement: If the touch position is found to be offset, it can be recalibrated by entering the calibration interface through the system settings (if the system menu is configured). When the panel frequently experiences time reset or historical data loss, it is necessary to consider replacing the RTC backup battery on the motherboard.

Environment and Protection: Although the panel is panel mounted, in dusty or humid environments, it is necessary to ensure that the sealing gasket between the panel and the cabinet opening is installed in place, and follow the installation depth and opening size specifications provided by the panel to prevent liquid infiltration and internal circuit short circuits.