I. Product Overview The Pro-face PFXGP4401TAD is a 7.5-inch TFT color touch screen Human-Machine Interface (HMI) belonging to the GP4000 series. Designed for industrial automation, machinery manufacturing, food and beverage, packaging, and printing industries, it serves as a core human-machine interaction device for monitoring production parameters and controlling equipment. Key features include high-definition display, energy-efficient design, and remote monitoring capabilities.     II. Core Specifications 1. Display Performance Screen Type: TFT true-color LCD, 640×480 pixels (VGA resolution) Display Size: 7.5 inches, with an active display area of 153.7mm (W) × 115.8mm (H) Color Depth: 65,536 colors (non-flicker) / 16,384 colors (flicker) Brightness Control: 16-level adjustable (via touch panel or software), with a backlight lifespan exceeding 50,000 hours (at 25°C continuous operation) 2. Electrical Properties Input Voltage: 24VDC (rated range: 19.2~28.8VDC...