Optimizing operator control and plant-floor visualization, the Mitsubishi Electric GT1575-STBD serves as a high-performance human-machine interface (HMI) within the legacy GOT1000 platform. This robust terminal bridges the gap between complex automation systems and real-time operator monitoring, delivering crisp graphical rendering and reliable communication interfaces.
Key Technical Features
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High-Resolution Display: Equipped with a 10.4-inch TFT color LCD screen offering a clear 640 x 480 pixel VGA resolution.
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Multi-Protocol Connectivity: Built-in physical ports supporting RS-232, RS-422, and RS-485 serial communication protocols for seamless PLC integration.
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Industrial-Grade Protection: Features an IP67F front-panel rating, providing robust resistance against dust, water, and oil mist in demanding environments.
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Onboard Memory: Contains 9 MB of internal flash memory dedicated to project screens, system OS, and data logging configurations.
Industrial Applications
- Automotive assembly lines and robotic work cell monitoring.
- Water and wastewater treatment facility control consoles.
- Packaging machinery and high-speed food processing lines.
- Discrete manufacturing and CNC machine tool operator panels.
Technical Specifications
| Manufacturer |
Mitsubishi Electric |
| Model / SKU |
GT1575-STBD |
| Series |
GOT1000 (GT15) |
| Display Type |
TFT Color LCD |
| Display Size |
10.4 Inches |
| Resolution |
640 x 480 Pixels (VGA) |
| Onboard Memory |
9 MB Flash |
| Communication Ports |
RS-232, RS-422, RS-485 |
| Front Panel Protection |
IP67F |
| Operating Temperature |
0 to 50 degC |
Connections and Interfaces
| Interface Port |
Functional Assignment / Connection Target |
| RS-232 |
PC connection for project upload/download, barcode readers, or serial PLC links. |
| RS-422/485 |
Direct multi-drop connection to Mitsubishi MELSEC PLCs or third-party controllers. |
| Extension Interface |
Accepts optional communication units (Ethernet, CC-Link, MELSECNET/H modules). |
Empirical Engineering Insights
Alternative Models & Compatibility
The GT1575-STBD is a core component of the legacy GOT1000 series. When migrating to the newer GOT2000 series (such as the GT2510-WXTBD), screen projects created in GT Designer3 can be automatically converted, though physical panel cutout dimensions and communication cable pinouts must be verified for mechanical compatibility.
Application Pitfalls & Engineering Notes
Ensure the HMI is mounted vertically to maintain optimal heat dissipation. In high-temperature environments exceeding 40 degC, avoid placing heat-generating devices directly below the terminal. Ensure the rear cooling vents remain completely unobstructed.
Commissioning & Wiring Tips
Always use high-quality shielded twisted-pair cables for the RS-422/485 communication lines. Ground the shield wire at a single point (preferably at the PLC side) to prevent ground loops and shield the serial data from high-frequency electromagnetic noise generated by nearby variable frequency drives (VFDs).
Installation Guidelines
CRITICAL WARNING
Isolate all external power sources before attempting mechanical installation, wiring, or module replacement. Failure to completely de-energize the system can result in severe electrical shock, hardware damage, or erratic control system behavior.
1
Prepare the panel cutout according to the exact mechanical dimensions specified in the GOT1000 hardware manual.
2
Ensure the waterproof packing gasket is properly seated in the HMI groove before inserting the unit into the panel cutout.
3
Secure the terminal using the supplied mounting fixtures, tightening the screws to the specified torque to maintain the IP67F front seal without warping the bezel.
4
Connect the functional ground terminal to a dedicated class-D ground (100 ohms or less) using a minimum of 2 mm² wire to ensure proper noise immunity.