Isolated TTL to RS485 Level Board Module Serial Automatic Reverse High Speed 2Mbps Compatible with DC 3.3/5V
This isolated TTL to RS485 module provides stable, high-speed serial communication up to 2Mbps. It supports 3.3V/5V systems, includes full electrical isolation, TVS surge protection, and gold-plated half-hole pads for easy integration.
يقدم هذا الموديول تحويلًا معزولًا بين TTL وRS485 مع اتصال ثابت عالي السرعة حتى 2Mbps. يدعم أنظمة 3.3V/5V، ويضم حماية من الفولتية والنبضات، مع نقاط تثبيت نصف-ثقوب مطلية بالذهب لسهولة الدمج.
The Isolated TTL to RS485 Level Conversion Module is designed for robust, interference-free serial communication in industrial and embedded systems. With complete electrical isolation, it protects both the host controller and RS485 bus from noise, voltage spikes, and grounding issues. The module supports both 3.3V and 5V TTL logic levels, making it suitable for microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi.
Featuring a high communication rate of up to 2Mbps, it meets demanding real-time applications. Built-in TVS protection and onboard 120Ω termination ensure safe and reliable RS485 network operation. Its half-hole gold-plated pads and solderable terminals simplify installation and integration into custom PCBs or wiring systems.
Specifications
Supply Voltage: DC 3.3V / 5V compatible
Communication Rate: Up to 2Mbps
On-board Termination Resistor: 120Ω
TTL Interface Pitch: 2.54mm pin header
RS485 Interface Pitch: 5.08mm KF301 terminal
Design: Fully isolated conversion circuitry
Protection: TVS surge protection + insurance fuse component
Module Size: 34 × 18 × 9 mm
Applications
Industrial RS485 communication networks
PLC and sensor interfacing
Smart home systems
Long-distance serial communication
RS485-based meters, controllers, and automation equipment
Noise-sensitive environments requiring isolation