CH340 USB to RS485 Converter

USB direct access to power without an external power supply, stable performance;

485 interfaces with the various types of docking, the transmission distance up to 1200 m.

Features:

• Typical successful application of USB to 485:
• Support:
• Household appliances centralized control;
• Access Control System; card;
• A variety of industrial automation; instrumentation;
• Parking; bus fees;
• Dining Hall; staff attendance;
• Highway toll stations; ATM machine; etc.

Wiring:

• USB interface to connect directly to a computer using the USB interface; half-duplex;
• 485 Bus Interface: RS485_A interfaces, RS485_B interface. There are the terminals A, B indicates that the interface marked with the 485 bus to connect other devices to communicate.