Mitsubishi Electric GT1455-QTBDE GOT1000 Series Touch Screen HMI

Description

Engineered to serve as a high-density operator interface within distributed automation networks, the Mitsubishi Electric GT1455-QTBDE graphical operation terminal facilitates seamless machine-level visualization and control. This unit features a high-brightness 5.7-inch TFT color display with 65,536 colors and a QVGA resolution, delivering exceptionally clear diagnostics and control screens even in demanding industrial environments. Equipped with comprehensive built-in communication options, including Ethernet, RS-232, and RS-422/485, this HMI functions as a versatile gateway node, bridging the gap between field-level PLCs and higher-level supervisory control systems.

Features

• High-luminance TFT color liquid crystal display supporting up to 65,536 colors for intuitive interface designs.
• Analog resistive touch panel allowing custom key layouts down to a minimum of 2 x 2 dots per key.
• Robust memory architecture with 9 MB of built-in flash memory for project data and 512 KB SRAM for alarm and recipe storage.
• Integrated SD memory card slot supporting SD and SDHC cards for rapid logging, data backup, and OS updates.
• Multi-channel interface configuration enabling simultaneous connection to multiple controllers via Ethernet and serial networks.
• Front-panel IP67F ingress protection rating against dust, oil, and moisture when properly panel-mounted.

Applications

• Factory Automation: Machine-level visualization and diagnostics in assembly, packaging, and sorting lines.
• Water and Wastewater: Pump control monitoring, tank levels, and operational telemetry displays.
• Specialized OEM Machinery: Customized operator interfaces for environmental chambers, compressors, and small-scale process skids.
• Power & Energy: Monitoring auxiliary electrical systems and localized distribution panels.

Technical Specifications Table

Connections and Interfaces

Empirical Engineering Insights

Alternative Models & Compatibility

The GT1455-QTBDE is engineered as a modern equivalent to the legacy GT1155 series. While the physical panel cutout remains identical for drop-in physical replacement, migrating the control application requires compiling the project in GT Designer3 (GOT2000/GOT1000 compatibility mode). Ensure communication drivers are updated in the software before downloading to the target hardware to prevent serial mapping faults.

Application Pitfalls & Engineering Notes

Operating the unit continuously at temperatures above 40 Celsius accelerates the decay of the LED backlight. To maximize the 70,000-hour service life, engineers should configure the backlight off or screen saver function within the system parameters to trigger after 5 minutes of operator inactivity. Additionally, verify that the 24 VDC power supply remains isolated from high-frequency inductive switching loads to prevent HMI logic resets caused by momentary supply drops exceeding 5 milliseconds.

Commissioning & Wiring Tips

When deploying multi-drop networks over the RS-422/485 port, verify the position of the physical 3-way slide switch located next to the D-sub interface. For end-of-line units, set this to 110 Ohm; for pass-through units, set to OPEN. Incorrect termination configurations will result in intermittent framing errors and packet drops, especially on network runs exceeding 50 meters.

Installation Guidelines