{"title":"Industrial USB to RS485/422 Isolated Converter with FT232RL and SP485EEN","handle":"industrial-usb-to-rs485-422-isolated-converter-with-ft232rl-and-sp485een","url":"/products/industrial-usb-to-rs485-422-isolated-converter-with-ft232rl-and-sp485een","description":"The USB to RS485/422 is an industrial-grade isolated converter designed for reliable and stable communication. Featuring an original FT232RL chipset and SP485EEN transceiver, it ensures fast, interference-free data transmission. The unit includes multiple protective circuits such as power isolation, ADI magnetic coupling isolation, TVS (Transient Voltage Suppressor), and ESD protection. It operates seamlessly with automatic data transmission and reception, making it ideal for industrial control applications requiring high communication stability.\nFeatures\n\n\nHigh Performance: Built-in FT232RL and SP485EEN chipset for fast, stable, and reliable communication.\n\nPower Isolation: Onboard power supply isolation eliminates the need for an extra power source for the isolated terminal.\n\nSignal Isolation: Digital isolation ensures strong anti-interference capability and low power consumption.\n\nSurge Protection: Integrated TVS suppressor protects against transient voltage spikes, lightning, and electrostatic discharge.\n\nEnhanced Safety: Self-recovery fuse and protection diodes safeguard against over-current and over-voltage.\n\nIndustrial Protection: 15KV ESD isolation and 600W lightning-proof design ensure long-term durability.\n\nConfigurable Resistor: Onboard 120Ω termination resistor (disabled by default), configurable via jumper.\n\nStatus Indicators: LED indicators for power, TX, and RX status.\n\nDurable Enclosure: Compact ABS industrial rail-mount design for easy installation and long-term reliability.\n\nSpecifications\n\n\nBaud Rate: 300bps ~ 3Mbps\n\nHost Interface: USB (Type-B connector with self-recovery fuse and ESD protection)\n\nDevice Ports: RS485/RS422 (Screw Terminal)\n\nOperating Voltage: 5V\n\nRS485 Interface: A+, B-, PE\n\nRS422 Interface: TA, TB, RA, RB, PE\n\nTransmission Distance:\nUSB: ~5m\nRS485/422: Up to 1200m (at low data rates)\n\n\n\nTransmission Mode: Point-to-multipoint (up to 32 nodes; use repeaters for over 16 nodes)\n\nProtection:\n600W lightning-proof, 15KV ESD protection\nOnboard 120Ω termination resistor (configurable)\n\n\n\nIndicators:\n\nPWR (Red) - Power status\n\nTXD (Green) - USB data transmission\n\nRXD (Blue) - Data reception from RS485/422\n\n\n\nOperating Temperature: -15°C ~ 70°C\n\nHumidity: 5%RH~95%RH\n\nSupported OS: Windows 10/8.1/8/7/XP, Mac, Linux, Android, WinCE\n\nEnclosure: Rail-mount ABS case (81.9 x 54.0 x 32.0 mm)\n\nSoftware Installation\n\nDriver Installation:\n\nAutomatic: Use a driver installation wizard to detect and install the driver.\n\nManual:\nConnect the device via USB.\nOpen Device Manager; if a yellow exclamation mark appears, install the driver.\nDownload the driver from the official website, extract it, and follow installation prompts.\n\n\n\n\nHardware Testing\n\n\nRS485 Test: Connect two units via RS485 (A+ to A+, B- to B-), open serial debugging software, and verify communication.\n\nRS422 Test: Cross-connect two units (TA to RA, TB to RB), open serial debugging software, and verify data transmission.\n\nResources\n\n\nDrivers: VCP driver available for Windows, Mac, and Linux (download from FTDI official website)\n\nDatasheets: FT232RL, SP485EEN\n\nSoftware: Serial communication utilities (SSCOM, Putty)\n\nFAQ\n\n\nQ: Does it support Linux?A: Yes, it is compatible with Windows, Mac, Linux, and Android.\n\n\nQ: What if RS485 communication is unstable at short distances?A: Remove the onboard 120Ω termination resistor.\n\n\nQ: How to confirm the module functions correctly?A: Perform an RS422 loopback test.\n\n\nSupport For additional resources, troubleshooting guides, and firmware updates, visit the official support page or contact customer service.","vendor":"Waveshare","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":619,"title":"Default Title","sku":"WS-23949","price":35.0,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":102,"option1":"Default Title"}]}