Proface PFXGM4301TAD HMI Graphic Panel
The Proface PFXGM4301TAD (also designated PFX-GM4301TAD) is a 4.3-inch graphic operator interface from the GM series. It features a high-brightness TFT color display with LED backlight and a resistive touch screen. The panel is designed for industrial environments, offering IP65 protection on the front and a wide operating temperature range. It is used for machine monitoring, data entry, and PLC communication.
Display Specifications
Screen size: 4.3 inches (diagonal), resolution 480 x 272 pixels (WQVGA). Display colors: 65,536 colors. Brightness: 450 cd/m² (typical). Contrast ratio: 400:1. Viewing angles: 140° horizontal, 120° vertical. The LED backlight has a rated lifetime of 50,000 hours. The touch panel is analog resistive (4-wire) with a resolution of 1024 x 1024, supporting gloved operation.
Processor and Memory
The unit is powered by a 32-bit RISC CPU (400 MHz). Memory: 32 MB flash ROM (for project storage) and 64 MB SDRAM (for runtime). The real-time clock (RTC) is battery backed (lithium coin cell, life 5 years). The panel can store up to 8,000 alarm events and 4,000 data log entries.
Communication Ports
1 x Ethernet (10/100) supporting Modbus TCP, PROFINET, and Ethernet/IP.
1 x RS-232C (9-pin D-sub) for serial connection to PLCs (Mitsubishi, Siemens, Omron, etc.).
1 x USB 2.0 host (Type A) for data transfer or connection of a keyboard/mouse.
1 x USB device (mini-B) for programming.
Power and Environmental
Supply voltage: 24V DC (20.4–28.8V). Power consumption: 7 W typical. Dimensions: 128 mm width x 102 mm height x 38 mm depth (panel cutout: 118 x 92 mm). Weight: 0.45 kg. Operating temperature: -10°C to +60°C; storage: -20°C to +70°C. Humidity: 10% to 90% non-condensing. Front panel: IP65 (water and dust resistant), rear: IP20. Vibration: 2 g (10–150 Hz). Certifications: CE, UL 61010-1, and RoHS.
Software Compatibility
Programming is done with Proface GP-Pro EX (version 4.0 or later). The software supports drag-and-drop screen design, recipe management, and multi-language text (Unicode). The panel can display trend graphs, bar charts, and animated graphics. It supports over 200 PLC drivers (including Mitsubishi FX, Siemens S7, Omron CJ, Allen‑Bradley CompactLogix).
Diagnostics and Maintenance
The panel features a built-in diagnostics screen accessible via a utility key. It displays communication status, CPU load, and memory usage. The touch panel calibration can be performed from the system menu. An internal buzzer (configurable) provides audible feedback for key presses or alarms.
Typical Applications
The PFXGM4301TAD is used in small packaging machines, conveyor control, injection molding machines, and laboratory equipment. Its compact size fits into limited panel space. The Ethernet port allows connection to a SCADA system or remote monitoring via web server (built-in).
Accessories and Mounting
Mounting: panel cutout using included spring clips. An optional mounting adapter (PFXZMCCB) is available for retrofit into older cutouts. The unit is supplied with a 2m USB programming cable and terminal blocks for power. For serial cables, consult Proface cable catalog.
Ordering Information
Part number: PFXGM4301TAD (also PFX-GM4301TAD). The unit includes a quick start guide and a CD with GP-Pro EX trial software. Manual: GM Series Hardware Manual (Proface document T100-033).





