Mitsubishi A900GOT vs F900GOT: A Comparative Analysis

In Human Machine Interface (HMI) technology for industrial automation, Mitsubishi Electric offers two noteworthy models, the GOT-F900 and GOT-A900. These HMIs are committed to meeting the demanding needs of industrial processes while presenting distinct features catering to varied applications.

The GOT-F900 and GOT-A900 models are versatile in installation, accommodating both vertical and horizontal orientations. In terms of screen modes, the GOT-F900 emphasizes its widescreen display, which is suitable for applications requiring a broader visual overview. In contrast, the GOT-A900 introduces flexibility with full-screen, two-screen, or three-screen modes, allowing users to customize the interface based on specific application requirements. The GOT-A900 further enhances adaptability with an innovative auxiliary screen, displaying customized information beyond the main screen, which is particularly valuable in complex operational scenarios.

Regarding communication interfaces, the GOT-F900 features COM0 and COM2 for connectivity through RS-422 and RS-232C ports, respectively. In contrast, the GOT-A900 offers three built-in communication channels, facilitating connections to a PC with GOT programming software, PLC programming software, or other peripheral devices. The choice between these models may depend on specific communication needs and the requirement for multiple communication channels.

Humidity, Vibration, and Connectivity

Operational Conditions

The Mitsubishi GOT-A900 is crafted to function effectively in temperatures ranging from 0 to 40°C for the display unit and 0 to 55°C for other components, demonstrating its flexibility in diverse operational settings. It sustains reliability even during inactive periods with a storage temperature span of -20 to 60°C.

Meanwhile, the Mitsubishi GOT-F900 series is tailored to operate in ambient temperatures ranging from 0 to 50°C, highlighting its adaptability in industrial settings. Specifically designed for installation within control boxes, the displays ensure optimal performance in controlled environments devoid of corrosive gases and excessive dust.

Humidity Conditions

The A900 series guarantees dependable performance in operational ambient humidity levels ranging from 10 to 90%RH, ensuring a non-condensing environment. This rigorous condition is mirrored in the ambient humidity specifications for storage.

Conversely, the F900 series maintains an ambient humidity range of 35 to 85%RH, preventing condensation and underlining its appropriateness for a variety of industrial environments.

Vibration and Shock Resistance

Adhering to JIS B3501 and IEC 60068-2-67 standards, the A900 series withstands intermittent vibrations (10 to 57Hz) and continuous vibrations (57 to 150Hz). Shock resistance is demonstrated through the endurance of shocks of 147m/s² (15G) three times in each direction (X, Y, Z).

The F900 series also adheres to JIS B3501 and IEC 60068-2-67 standards, showcasing robustness in the face of intermittent and continuous vibrations. Shock resistance is maintained at 147m/s² (15G) three times in each direction (X, Y, Z).

Altitude and Environmental Resilience

The A900 series specifies an operational altitude of up to 2000m and is categorized as Overvoltage Category II. It maintains a contamination level of 2 or less, indicating limited conductive materials in the environment.

The F900 series also operates at a maximum altitude of 2000m, with an equivalent protective rating of IP65f. It features a contamination level of 2 or less, ensuring suitability for varied industrial environments.

Power Supply and Connectivity

The A900 series supports input power supply ranging from 100AC to 240V and 24VDC, with specified inrush current and permissible instantaneous power failure time. It ensures robust dielectric withstand voltage and insulation resistance.

The F900 series operates on a 24V DC supply voltage and incorporates a built-in lithium battery for momentary power failure resilience. It conforms to specific standards for dielectric withstand voltage and insulation resistance.

Both the Mitsubishi GOT-A900 and F900 series exhibit meticulous engineering, ensuring optimal performance in industrial settings. The A900 series focuses on precise operational and environmental conditions, while the F900 series emphasizes communication interfaces for seamless connectivity with PLCs. The choice between the two series depends on specific application requirements, with the A900 series excelling in environmental adaptability and the F900 series prioritizing communication versatility.

TFT Vs. STN Panels

Display Technology

The A900 series incorporates advanced TFT color liquid crystal display technology, featuring a 640 x 480 dot resolution that ensures exceptional visual clarity and a broad viewing angle. Additionally, it utilizes D-STN color liquid crystal, offering 16 colors with a resolution of 640 x 400 dots, making it well-suited for various industrial settings. The High-Luminance EL option enhances brightness with an 8-color resolution.

Innovating display solutions, the F900 series introduces TFT Color LCD (F940WGOT), STN Color LCD (F940GOT), and STN Monochrome LCD (F930GOT) technologies. The F940WGOT, equipped with a 7″ screen, presents 256 colors at a resolution of 480 x 234 dots. The F940GOT, featuring a 6″ screen, showcases eight colors with a resolution of 320 x 240 dots, while the F930GOT, with a 3″ screen, displays two colors at a resolution of 128 x 64 dots. This series provides cutting-edge options catering to diverse application needs.

Backlight and Lifespan

The A900 series incorporates both cold cathode fluorescent tube backlight and LED backlight options, contributing to a backlight life ranging from 25,000 to 50,000 hours.

The F900 series displays boast a robust design with a lifespan of 50,000 hours or more. The backlight types include cold cathode fluorescent tubes and LED backlights for enhanced visual performance.

Memory and Touch Panel

The A900 series features built-in memory ranging from 128 to 512 MB with a high write cycle of 100,000 times for robust data storage. It utilizes a resistive film touch panel with an operating force of 100g, supporting one-touch capability.

The F900 series supports up to 500 user screens and additional system screens, offering extensive customization options. The touch keys, configurable in a matrix layout, provide intuitive user interaction. Various switch and key types enhance versatile control options.

Language Support and Customization

The A900 series offers language support, including English, Western Europe, Korean, Chinese (Simplified, Traditional), and Japanese (Shift JIS level1,2). It supports compatibility with the SW1D5C-GOTRE-PACK software package, facilitating smooth integration and enhanced functionality.

The F900 series provides language flexibility, ensuring accessibility for a diverse user base. It supports up to 500 user screens and additional system screens, empowering users with extensive customization options.

Mitsubishi GOT A900 and F900 series excel in providing advanced technical display solutions for industrial applications. The A900 series focuses on adaptability and precision, while the F900 series emphasizes customization options and a diverse range of display technologies. The choice between the two series depends on specific application requirements, with the A900 series excelling in environmental adaptability and the F900 series prioritizing display versatility and user customization.

Comparative Analysis of Mitsubishi GOT-F900 and A900 Series HMIs

Communication Interfaces

The F900 is robust and focuses on PLC compatibility. Features RS-232C/RS-422 (D-Sub 9-pin), external I/O ports, and wider brand compatibility (Omron, Fuji, Yaskawa, etc.). At the same time, the A900 is less emphasized in terms of PLC communication. It offers standard options like Ethernet, USB, and RS-232/485, with some models featuring CAN bus and Profibus DP.

Operation and Function Keys

The F900 offers a more versatile keyboard with up to 50 touch keys per screen and various switch types (a, b, 2a, 2b, c) for flexibility. In contrast, the A900 Keyboard options vary by model, typically ranging from fewer keys to basic layouts, and do not offer the same switch type variety as the F900.

Performance and Processing Power

The F900 is powered by more robust ARM Cortex-A53 or A72 processors, enabling faster response times and handling complex data processes. The Mitsubishi A900 is equipped with an ARM Cortex-A7 processor, balancing performance and power efficiency for less demanding applications.

Software and Programming

Mitsubishi F900 utilizes the newer GT Works4 software with enhanced features and compatibility with HTML5 and JavaScript. The A900 GOT employs the GT Works3 software, a familiar platform for Mitsubishi users that supports Ladder Logic and C++.

Cost and Value Proposition

Due to its advanced features and capabilities, the Mitsubishi GOT-F900 has a higher price tag. Offers greater value for demanding applications. Comparatively, the GOTA900 typically falls in a more affordable range, making it attractive for budget-conscious projects.

GOT-A900 Series List Editor vs. GOT-F900 Series Modes and Functions

List Editor Function in Mitsubishi GOT A900 Series

The List Editor Function in the A900 Series is a versatile tool designed for programming, debugging, and real-time monitoring. It encompasses fundamental functions like Write (W) for program modification, Read (R) for program examination, Insert (I) for efficient program structuring, Delete (D) for program management, Parameter (P) for ACPU parameter control, and Other (O) functions for system monitoring and control.

Modes and Functions in Mitsubishi GOT-F900 Series

The Mitsubishi GOT-F900 Series organizes its functionalities into six distinct modes, each catering to specific aspects of HMI operations. The User Screen Mode, HPP (Utility) Mode, State Monitor Mode, Sampling Mode, Alarm Mode, Test Mode, and Other Mode collectively offer a broad spectrum of features. These include Text Display, Drawing, Parameter adjustment, State monitoring, Sampling for data acquisition, Alarm handling, and various specialized testing and system control functions.

Programming and Modification

Regarding programming and modification capabilities, the Mitsubishi GOT A900 and F900 series present distinct approaches. The A900 series leverages the List Editor’s Write (W) and Insert (I) functions, streamlining programming tasks efficiently. In contrast, the F900 series, within its User Screen and HPP Mode, introduces Drawing and Data Bank functions, fostering a more versatile environment for creating and modifying diverse user interfaces.

Program Examination and Monitoring

When it comes to program examination and real-time monitoring, the A900 series incorporates Read (R) and Other (O) functions, offering insights into the program structure and enabling efficient real-time monitoring. On the other hand, the F900 series introduces the State Monitor Mode for comprehensive real-time monitoring and the Sampling Mode, excelling in data acquisition tasks.

Program Management

In program management, the A900 series stands out with its Delete (D) function, streamlining program management by facilitating the deletion of entire programs, including removing NOP instructions. Meanwhile, the F900 series, through its Alarm Mode, provides functions for displaying, saving, and clearing alarms, contributing to effective program management and system diagnostics.

Parameter Control

In parameter control, the A900 series employs the Parameter (P) function, allowing users to manage ACPU parameters for fine-tuning operational settings. In comparison, the F900 series utilizes HPP Mode, incorporating Parameter functions at the system level for adjustments that impact the overall operational parameters of the system.

System Monitoring and Control

Lastly, in system monitoring and control, the A900 series utilizes a set of Other (O) functions, covering utilities for system monitoring, including PC check and Program check. In contrast, the F900 series introduces an Other Mode, incorporating functions such as SET TIME SWITCH, DATA TRANSFER, PRINT OUT, and ENTRY CODE. These functions contribute to specialized system control and monitoring, showcasing the F900 series’ capacity for versatile and nuanced system management. Ultimately, the choice between the A900 and F900 series hinges on the specific needs of industrial applications, with the A900 series excelling in precise programming tasks and the F900 series providing advanced features for diverse HMI applications.

Comparative Analysis of Applications

The Mitsubishi GOT A900 and F900 series stand out as robust Human-Machine Interface (HMI) solutions tailored for diverse industrial applications, each with distinct strengths that cater to specific needs. Despite their unique features, both series share commonalities that make them well-suited for fundamental industrial control tasks. They excel in monitoring and controlling simple machines, facilitating data acquisition, supporting operator interaction, and managing alarm systems. Moreover, these HMIs find application in manufacturing and production scenarios, efficiently handling tasks such as material handling, printing, food processing, and textile production. Additionally, their capabilities extend to building automation and energy management, making them suitable for overseeing HVAC systems, lighting controls, security functions, and power monitoring within various structures. Boasting common attributes such as an IP54 rating, compact dimensions, user-friendly interfaces, compatibility with Programmable Logic Controllers (PLCs), varied mounting options, safety features, and teaching panel functionality, both the GOT A900 and F900 series provide dependable solutions to address a broad spectrum of industrial requirements.

The Mitsubishi GOT A900 and F900 series exhibit differences in their strengths, weaknesses, and application suitability, making each well-suited for specific industrial scenarios. The A900 series, with its affordability and smaller footprint, is an ideal choice for price-sensitive applications and environments with limited space.  Nevertheless, its monochrome display may be less optimal for intricate visualization applications. However, it excels in fundamental tasks, providing user interaction, monitoring, and control functionalities. This makes it especially well-suited for budget-conscious applications or scenarios with limited space constraints.

Conversely, the F900 series, though slightly higher in cost and larger footprint, provides an expanded screen that improves visualization. It is equipped with additional features, such as versatile mounting options and peripheral unit functionality. This makes it well-suited for applications requiring more intricate visualization, user interaction, and seamless integration with Programmable Logic Controllers (PLCs) for debugging and programming purposes.

Conclusion

In conclusion, the Mitsubishi GOT A900 and F900 series represent robust Human-Machine Interface (HMI) solutions tailored to specific industrial applications. While both excel in fundamental control tasks, the A900 series is a cost-effective choice with a smaller footprint, ideal for budget-conscious applications and limited spaces. However, the F900 series, despite being slightly more expensive, provides a larger screen and advanced features, catering to applications that require more sophisticated visualization and seamless integration with Programmable Logic Controllers (PLCs). Ultimately, the decision between these series hinges on specific industrial needs and budget considerations.

This entry was posted on March 17th, 2024 and is filed under Automation, Communication, Hardware Comparison, HMI, Mitsubishi, Selection Guide, Technology. Both comments and pings are currently closed.