Industrial USB to RS422 Serial Module Support RS422/485 Interface to USB with DC Power Isolation and Digital Isolator Multi-Protection ABS case DIN Rail mounting

Adopting industrial-grade chip FT232, SP3485, etc., to achieve the USB signal and RS485/RS422 signal conversion, optimise the circuit to achieve automatic transceiver conversion, without the need for ‘transmitter-receiver’ control, so that the two ends of the interface communication is more rapid and stable.With independent DC-DC power isolator and digital isolation chip.Can provide stable isolation voltage and output short-circuit protection, the isolation end without additional power supply, digital isolator with excellent performance characteristics and reliability, signal isolation, so that the transmission of the signal is more stable.USB terminal with electrostatic ESD protection circuit, effectively preventing electrostatic damage RS485 terminal with overcurrent protection, surge protection, lightning gas discharge protection circuitry On-board TVS (Transient Voltage Suppressor), to reduce the surge voltage and transient spike voltage in the circuitOn-board self-recovery fuse to stabilise current and voltage output, reduce over-current and over-voltage and electrostatic discharge, strong shock resistanceOn-board GDT gas discharge tube, the use of discharge tubes will be powerful lightning current leakage into the ground, so that the subsequent circuit and equipmentOn-board 120R termination resistor selector toggle switch, which can increase the stability of signal transmission.Baud rate support range:RS422: ≤2M bps; RS485: ≤2M bps (experimental environment)On-board three LEDs for indicating the sending and receiving status of the circuit signals.PWR light: red, power indicatorTXD light: green, RS422/485 data transmission indicator, data flow: USB->RS422/485RXD light: blue, RS422/485 data receiving indicator, data flow: RS422/485->USBUSB-B interface and 5.0mm screw terminal wiring, free USB cable, ABS environmental protection shell, DIN rail mounting

• [Industrial Chip] Adopting industrial chip FT232, SP3485, etc., realising two-way conversion between RS422/485 and USB, optimizing the circuit to realize automatic sending and receiving, baud rate support range: ≤2M bps.
• [Optimisation of accessories] USB-B interface and 5.08mm high-quality terminals, complimentary USB cable, high terminal resistance, on-board three LEDs, intuitive display of circuit status.
• [Protection upgrade] Independent power supply isolation and signal isolation circuit, power supply is more stable and safe, so that the signal is more stable in the internal transmission; ABS shell, anti-oxidation interference, protection module
• [Detailed Optimisation] USB terminal with electrostatic ESD protection circuit, effectively preventing electrostatic damage and protecting back-end circuits and equipment, RS485/422 terminal with overcurrent protection, surge protection, lightning gas discharge protection circuit
• [Long Distance Transmission] On-board 120R termination resistor, using a selective dip switch to choose whether to access the circuit, long distance transmission can be more stable.