The PT4115 is a buck constant current source in continuous inductor current conduction mode, used to drive one or multiple series-connected LEDs. The PT4115 has a wide input voltage range, with a maximum output current of 1.2A. It supports analog dimming and PWM dimming, and has features such as high efficiency and LED open circuit protection.

ART2514 is a PC104 bus-based optically isolated digital input card that can be used to collect, monitor, and control external signals through a microprocessor. It has 32 channels of isolated digital input, with wet contact (common cathode) as the input type, a high input level of +4V to +30V, a low input level of 0V to +1V, and an isolation voltage of 3750V. This product is mainly used in fields such as field measurement and control, signal acquisition, medical equipment, servo control, and electronic product quality testing.

ART2513 Optical Isolation DI Card Hardware User Manual mainly introduces the product function overview, component layout diagram, DI digital quantity signal input connector, various signal connection methods, address description, product application precautions, calibration, warranty and other content.