Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
Facilitating high-resolution operator control and system monitoring, the Mitsubishi Electric GT1565-VTBD functions as a central visualization node within modern industrial control systems. Engineered as part of the high-performance GOT1000 family, this 8.4-inch graphic operation terminal translates complex machine telemetry into clean visual interfaces. It supports multiple industrial protocols simultaneously, allowing it to interface directly with PLC registers, drive parameters, and safety systems. Equipped with robust communication options, it ensures rapid data refresh rates and reliable system diagnostics in challenging physical plant environments.
| Parameter | Specification |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | GT1565-VTBD |
| Series Name | GOT1000 (GT15 Class) |
| Display Size | 8.4 inches |
| Display Technology | TFT Color LCD |
| Resolution | VGA (640 x 480 pixels) |
| Supply Voltage | 24 VDC (+10%, -15%) |
| Power Consumption | 39 W or less (with optional modules) |
| Onboard Interfaces | RS-232, RS-422/485, USB Type-A, USB Type-B, CF Card Slot |
| Front Panel Protection | IP67f (when panel-mounted correctly) |
| Operating Temperature | 0 to 50 degC |
| Country of Origin | Japan |
| Shipping Weight (Calculated) | 2.3 kg (5.07 lbs) |
| Package Dimensions (Calculated) | 320 x 260 x 120 mm (12.6 x 10.2 x 4.7 inches) |
| Connector / Port | Function Assignment |
|---|---|
| RS-232 Port | D-Sub 9-pin male; used for direct controller connections, barcode readers, or PC configuration. |
| RS-422/485 Port | D-Sub 9-pin female; dedicated communication interface for multi-drop PLC systems and peripheral hardware. |
| USB Host (Type-A) | Data transfer via USB flash storage devices for logs, screen designs, and parameter files. |
| USB Device (Type-B) | Direct connection point for system PC to facilitate high-speed design downloads using GT Works3. |
The GT1565-VTBD serves as a direct functional alternative to the AC-powered GT1565-VTBA, sharing identical physical mounting dimensions and software templates while utilizing a safe 24 VDC power rail. For modern system upgrades, projects developed for this unit can be converted to the current GT2508-VTBD series using the built-in migration utilities inside GT Works3. However, key physical changes such as depth clearances and terminal block assignments must be audited when retrofitting.
The display backlight has a rated lifespan of approximately 50,000 operational hours. To optimize the service life of this component, commissioning engineers should always configure the automatic backlight shut-off timer in the GT Designer3 utility. Ensure the surrounding panel temperature remains below 50 Celsius; operation in poorly ventilated, high-temperature cabinets can accelerate backlight degradation and cause screen-touch coordinate misalignment.
Always run communication cables (RS-422 and RS-232) in dedicated, shielded conduits separate from heavy three-phase motor runs. To protect the HMI's internal circuitry from common-mode voltage spikes, ground the functional ground (FG) terminal to a dedicated, low-impedance ground point (Class D ground, less than 100 ohms). Avoid daisy-chaining ground terminals with high-inductive loads like variable speed drives.
CRITICAL WARNING
Isolate all power sources feeding the control enclosure before mounting or servicing the HMI. Ensure the 24 VDC power supply is completely de-energized and confirm correct terminal polarity before applying power. Reversing the input polarity can permanently damage internal solid-state components.
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Returns & Warranty

Facilitating high-resolution operator control and system monitoring, the Mitsubishi Electric GT1565-VTBD functions as a central visualization node within modern industrial control systems. Engineered as part of the high-performance GOT1000 family, this 8.4-inch graphic operation terminal translates complex machine telemetry into clean visual interfaces. It supports multiple industrial protocols simultaneously, allowing it to interface directly with PLC registers, drive parameters, and safety systems. Equipped with robust communication options, it ensures rapid data refresh rates and reliable system diagnostics in challenging physical plant environments.
| Parameter | Specification |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | GT1565-VTBD |
| Series Name | GOT1000 (GT15 Class) |
| Display Size | 8.4 inches |
| Display Technology | TFT Color LCD |
| Resolution | VGA (640 x 480 pixels) |
| Supply Voltage | 24 VDC (+10%, -15%) |
| Power Consumption | 39 W or less (with optional modules) |
| Onboard Interfaces | RS-232, RS-422/485, USB Type-A, USB Type-B, CF Card Slot |
| Front Panel Protection | IP67f (when panel-mounted correctly) |
| Operating Temperature | 0 to 50 degC |
| Country of Origin | Japan |
| Shipping Weight (Calculated) | 2.3 kg (5.07 lbs) |
| Package Dimensions (Calculated) | 320 x 260 x 120 mm (12.6 x 10.2 x 4.7 inches) |
| Connector / Port | Function Assignment |
|---|---|
| RS-232 Port | D-Sub 9-pin male; used for direct controller connections, barcode readers, or PC configuration. |
| RS-422/485 Port | D-Sub 9-pin female; dedicated communication interface for multi-drop PLC systems and peripheral hardware. |
| USB Host (Type-A) | Data transfer via USB flash storage devices for logs, screen designs, and parameter files. |
| USB Device (Type-B) | Direct connection point for system PC to facilitate high-speed design downloads using GT Works3. |
The GT1565-VTBD serves as a direct functional alternative to the AC-powered GT1565-VTBA, sharing identical physical mounting dimensions and software templates while utilizing a safe 24 VDC power rail. For modern system upgrades, projects developed for this unit can be converted to the current GT2508-VTBD series using the built-in migration utilities inside GT Works3. However, key physical changes such as depth clearances and terminal block assignments must be audited when retrofitting.
The display backlight has a rated lifespan of approximately 50,000 operational hours. To optimize the service life of this component, commissioning engineers should always configure the automatic backlight shut-off timer in the GT Designer3 utility. Ensure the surrounding panel temperature remains below 50 Celsius; operation in poorly ventilated, high-temperature cabinets can accelerate backlight degradation and cause screen-touch coordinate misalignment.
Always run communication cables (RS-422 and RS-232) in dedicated, shielded conduits separate from heavy three-phase motor runs. To protect the HMI's internal circuitry from common-mode voltage spikes, ground the functional ground (FG) terminal to a dedicated, low-impedance ground point (Class D ground, less than 100 ohms). Avoid daisy-chaining ground terminals with high-inductive loads like variable speed drives.
CRITICAL WARNING
Isolate all power sources feeding the control enclosure before mounting or servicing the HMI. Ensure the 24 VDC power supply is completely de-energized and confirm correct terminal polarity before applying power. Reversing the input polarity can permanently damage internal solid-state components.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|