Isolated Converter Usb Rs485s of 2025
Best Choice1
QuatechUSB to Isolated RS-422/485 Converter with Terminal Block
Main highlights- B&b Usb To Isolated 422/485 W/plug Term Block And Leds - Terminal Block Serial - 1 X Type B Female Usb - Rohs Compliance
9.9Exceptional
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Value for Money2
BUELECBUELEC Industrial High Speed USB to RS232/RS485/RS422/TTL 4 in 1 Converter,Magnetic Isolated,Built-in 3000V Dual Isolation Power Module,Two-Way Independent Data Transmission,FT4232 Chipset
Main highlights- BUELEC USB Converter Support Windows,Linux,MAC,Android,Windows CE
- BUELEC USB Converter Power supply instructions,sending instructions,receiving instrutions
- BUELEC USB Converter Output interface Standard TTL, RS-232(Full-duplex),RS-485(Half-duplex),RS-422(Full-duplex)
- BUELEC USB Converter Isolation voltage Using ADI high performance magnetic decoupling isolation program
- BUELEC USB Converter Baud rate TTL(110~5Mbps),RS-232(110~1Mbps),RS-485/422(300~8Mbps),
Using ADI high performance magnetic decoupling isolation program
9.8Exceptional
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3
waveshareWaveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments
Main highlights- This is an industrial USB to RS232/485/TTL isolated converter with original FT232RL inside. It features embedded protection circuits such as power isolation ADI magnetical isolation and TVS diode etc. What's more the USB TO RS232/485/TTL comes with an aluminium alloy enclosure make it solid and durable to work.
- The USB TO RS232/485/TTL is very easy to use fully automatic transceiving without delay. Due to its fast communication stability reliability and safety it is an ideal choice for industrial control equipments and/or applications with high communication requirement.
- Onboard unibody power supply isolation provides stable isolated voltage needs no extra power supply for the isolated terminal
- High quality USB-B and RS232 connectors smoothly plug/pull
- Fully automatic transceiver circuit with no delay ensures the USB port communicates with different interfaces fastly and stably without interfering each other
9.7Exceptional
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4
wavesharewaveshare USB to RS485/422 Industrial Grade Isolated Converter, Onboard Original FT232RL and SP485EEN, Multiple Protection, Wall-Mount and Rail-Mount Support
Main highlights- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic
- Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance
- Onboard Original FT232RL and SP485EEN chip. Fast communication, stable and reliable, better compatibility. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard 15KV ESD isolation protection and 600W lightningproof & anti-surge protection. Onboard 120R terminal resistor on the RS485/RS422 ports, enable by default, configurable by jumper
- 3 LEDs for indicating the power and transceiver status. Industrial rail-mount ABS case design, small in size, easy to install, and cost-effective
9.6Exceptional
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5
DSD TECHDSD TECH SH-U11F Isolated USB to RS485 RS422 Converter Built-in FTDI chip for Industrial Application
Main highlights- USB to RS485/RS422:Support RS-422 (RxD+, RxD-, TxD+, TxD-, GND) and RS-485(A+, B-, GND) Interface.
- Industrial-grade :The built-in isolated power supply and ADI signal isolation chip can effectively protect computer damage caused by accidental short circuit, electric shock and other damage.
- High stability: Built-in original FTDI FT232RL chip,Maximum speed up to 3Mbps
- Customer Support:Offering permanent technical support and a 1-year product replacement service. All questions will be answered for you within 1 business day
- Compatibility: Works with Windows 10, 7(32/64bit) , XP, 2003,Liunx,Mac OS Etc.
9.4Excellent
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6
waveshareIndustrial Isolated USB to RS485/422 Converter Adapter, Onboard Original FT232RL and SP485EEN Chip, Transmission Distance up to 1.2km,Support Linux, Android, Wince, Win11/10/8.1/8/7/XP, etc.
Main highlights- 【Transmission distance up to 1.2km】 The USB signal can be converted into a balanced differential RS485/422 signal and the transmission rate is stable. The transmission distance is about 1.2km for RS485/422, and about 5 meters for USB.
- 【Multiple Protection, Safe And Stable】 Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes,ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance. Onboard 15KV ESD isolation protection and 600W lightningproof & anti-surge protection.
- 【Multi system Support】 Supports Linux, Android, WinCE, Win11/10/8.1/8/7/XP, etc. Onboard 120R terminal resistor on the RS485/RS422 ports, enable by default, configurable by jumper. 3 LEDs for indicating the power and transceiver status.
- USB to RS485/422 Industrial Grade Isolated Converter, Onboard Original FT232RL and SP485EEN Chip, provids stable communication with built-in galvanic isolation, lightningproof and anti-electrostatic protection and so on, it is an ideal choice for industrial control equipments and/or applications with high communication requirement. Support Wall-mount And Rail-Mount.
- Galvanic isolated Design】 Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption.
9.3Excellent
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7
waveshareWaveshare USB to 8CH RS485 Industrial Grade Isolated Converter, USB to RS485 Adapter, Multiple Protection Circuits, Wall-Mount and Rail-Mount Support, Multi-OS Compatible
Main highlights- Supports USB to 8CH RS485, convenient for expanding multiple RS485 industrial serial devices Supports direct power supply via Type-C port, with reserved 5V~36V DC wide voltage screw terminal for auxiliary power input
- Onboard unibody power supply isolation, provides stable isolated voltage Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance
- LEDs for indicating the power, device configuration status and transceiver status Rail-mount case design, support stackable combination, easy to install and safer to use
- Built-in 120R terminal resistor on the RS485 ports, configurable via jumper for flexible switching
9.1Excellent
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8
waveshareWaveshare Industrial Isolated USB to 4-Ch RS485 Converter (B), CH344L Chip, Multi Protection Circuits, Multi Systems Support, Aluminium Alloy Case, Wall-Mount & Rail-Mount Support
Main highlights- Supports USB to 4-ch isolated RS485, convenient for expanding multiple RS485 industrial serial devices
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
- Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection
- Onboard RS485 output terminal 120R resistors, enabled/disabled via DIP switch
- Industrial grade metal case, supports wall-mount & rail-mount installation, solid and beautiful, easy to install
- Adopts original CH344L chip, fast communicating, stable and reliable, better compatibility
- 10 LEDs for indicating the power, device configuration status and transceiver status
8.9Very Good
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9
waveshareUSB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection
Main highlights- Transmission distance up to 1.2km--- The USB signal can be converted into a balanced differential RS485 signal and the transmission rate is stable. The reliable speed is 300-921600bps, the transmission distance is about 1.2km for RS485, and about 5 meters for USB.
- Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance.
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic.
- Multi system Support: Supports Linux, Android, WinCE, Win11/10/8.1/8/7/XP, etc.
- Industrial USB to RS485 bidirectional converter with original FT232RL and SP485EEN chip. Due to its stable communication, it is an ideal choice for industrial control equipments and/or applications with high communication requirement.
8.8Very Good
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10
UeeKKooUeeKKoo Industrial Grade Isolated USB to 2CH RS485 Converter USB to RS485 Adapter, Onboard Original FT2232HL Chip Stable and Reliable Communication, Support Win11/10/8.1/8/7,Linux, Android, etc.
Main highlights- 【Transmission distance up to 1.2km】 The USB signal can be converted into 2 balanced differential RS485 signals and the transmission rate is stable. The transmission distance is about 1.2km for RS485, and about 5 meters for USB.
- 【Multi system Support】 Supports Win11/10/8.1/8/7, macOS, Linux, Android, etc.
- USB TO 2CH RS485 Industrial Grade Isolated Converter, USB To RS485 Adapter. Extending USB to 2CH RS485, allows concurrent and independent communication for each channel.
- Provide Online Development Resources /User Manual: bit.ly/3Xo07d9
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption.
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, light--ning proof & ESD protection. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance.
- Onboard Original FT2232HL Chip, Stable and reliable communication. Multiple Protection Circuits, Wall-mount and Rail-Mount Support.
8.5Good
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