Isolated USB to RS485 Converter (E), RJ45, Waveshare 35226
Isolated USB to RS485 Converter (E), RJ45, Waveshare 35226
SKU: 2135
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Description
USB to RS485 (E)
Isolated Bidirectional Converter
This is an industrial-grade isolated USB to RJ45 single-channel RS485 converter, featuring the original FT232RNL chip. Onboard isolated RS485 transceiver circuit, using an RJ45 port with T568B pinout for stable and reliable communication, suitable for industrial control, instrumentation, access control and security, PLC communication, and other applications.
Key Features
- Supports USB-to-RJ45 single-channel RS485 bidirectional communication, with a USB-A plug-and-play port and an RJ45 port, easy to use
- Equipped with original FT232RNL chip, providing high-speed, stable, and reliable communication with mature drivers and excellent compatibility
- Onboard isolated RS485 transceiver with integrated signal and power isolation, effectively improving communication stability and anti-interference capability in industrial environments
- Onboard TVS/ESD protection components, providing transient surge and ESD protection for USB and RS485 ports, suitable for complex electromagnetic environments
- Onboard multiple resettable fuses, protection diodes, and a 120R termination resistor, effectively suppressing overcurrent and overvoltage for enhanced bus communication stability
- Onboard 2 LEDs for signal transceiver status indication
Specifications
| PRODUCT TYPE | Industrial grade isolated USB to RJ45 single-channel RS485 converter | |
|---|---|---|
| Baudrate | 300bps ~ 512,000bps | |
| Host port | USB | |
| Device port | RJ45 single-channel RS485 | |
| USB | Supply voltage | 5V |
| Connector | USB-A port | |
| Interface protection | Overcurrent protection, ESD protection, and transient surge suppression | |
| Transmission distance | About 5m | |
| RS485 | Connector | RJ45 port with T568B pinout |
| Pins | 1=A, 2=B, 3=NC, 4=5V, 5=5V, 6=NC, 7=GND, 8=GND | |
| Direction control | Automatic hardware control | |
| Interface protection | Surge protection, ESD protection, overcurrent/overvoltage protection, reverse pulse protection, and bus matching optimization | |
| Isolation solution | Isolated RS485 transceiver with integrated signal and power isolation | |
| Channel | Single-channel RS485 | |
| Transmission distance | About 1.2km (low rate, with ideal cables) | |
| Transmission mode | Point-to-multipoint (up to 32 nodes, repeaters recommended for 16 nodes or more) | |
| LED indicators | TXD | TX indicator: Green LED flashes when USB port is sending data |
| RXD | RX indicator: Yellow LED flashes when device port is sending data | |
| Operating environment | Temperature | -40 °C ~ 85 °C |
| Humidity | 5 % RH ~ 95 % RH | |
| Operating system | Mac, Linux, Android, WinCE, Windows 11 / 10 / 8.1 / 8 / 7 / XP | |
Original FT232RNL Chip Onboard
Equipped with an FT232RNL USB-to-UART bridge, with mature drivers, stable communication, and excellent compatibility. Paired with an isolated RS485 transceiver circuit for stable and isolated conversion between USB and the RS485 bus.
Isolated Long-Distance RS485 Transmission
The USB signal can be converted into a balanced differential RS485 signal with automatic hardware transceiver direction control. Supports baud rates from 300bps ~ 512,000bps, and RS485 transmission distance is up to 1.2km at low baud rates under ideal cable conditions.
Multi-System Support
Supports Mac, Linux, Android, WinCE, Windows 11 / 10 / 8.1 / 8 / 7 / XP, compatible with PC, industrial computers, embedded hosts, and other devices.
Multi-Level Protection, Safe and Stable Operation
Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, surge and ESD protection. Onboard resettable fuses and protection diodes, ensure stable current/voltage outputs, provide overcurrent/overvoltage protection, improve shock resistance.
Single Channel RS485 RJ45 Connector
Uses an RJ45 port for single-channel RS485 output, providing quick connection to compatible devices or adapter cables with the same pinout.
Working Status Indicators
Onboard TXD and RXD indicators clearly show the working status of USB and RS485 for easy on-site debugging and troubleshooting.
Outline Dimensions
Resources & Services
WIKI: docs.waveshare.com/USB_TO_RS485_E
* Resources for different product batches may vary, please check the wiki page to confirm the actually provided resources.
Description
USB to RS485 (E)
Isolated Bidirectional Converter
This is an industrial-grade isolated USB to RJ45 single-channel RS485 converter, featuring the original FT232RNL chip. Onboard isolated RS485 transceiver circuit, using an RJ45 port with T568B pinout for stable and reliable communication, suitable for industrial control, instrumentation, access control and security, PLC communication, and other applications.
Key Features
- Supports USB-to-RJ45 single-channel RS485 bidirectional communication, with a USB-A plug-and-play port and an RJ45 port, easy to use
- Equipped with original FT232RNL chip, providing high-speed, stable, and reliable communication with mature drivers and excellent compatibility
- Onboard isolated RS485 transceiver with integrated signal and power isolation, effectively improving communication stability and anti-interference capability in industrial environments
- Onboard TVS/ESD protection components, providing transient surge and ESD protection for USB and RS485 ports, suitable for complex electromagnetic environments
- Onboard multiple resettable fuses, protection diodes, and a 120R termination resistor, effectively suppressing overcurrent and overvoltage for enhanced bus communication stability
- Onboard 2 LEDs for signal transceiver status indication
Specifications
| PRODUCT TYPE | Industrial grade isolated USB to RJ45 single-channel RS485 converter | |
|---|---|---|
| Baudrate | 300bps ~ 512,000bps | |
| Host port | USB | |
| Device port | RJ45 single-channel RS485 | |
| USB | Supply voltage | 5V |
| Connector | USB-A port | |
| Interface protection | Overcurrent protection, ESD protection, and transient surge suppression | |
| Transmission distance | About 5m | |
| RS485 | Connector | RJ45 port with T568B pinout |
| Pins | 1=A, 2=B, 3=NC, 4=5V, 5=5V, 6=NC, 7=GND, 8=GND | |
| Direction control | Automatic hardware control | |
| Interface protection | Surge protection, ESD protection, overcurrent/overvoltage protection, reverse pulse protection, and bus matching optimization | |
| Isolation solution | Isolated RS485 transceiver with integrated signal and power isolation | |
| Channel | Single-channel RS485 | |
| Transmission distance | About 1.2km (low rate, with ideal cables) | |
| Transmission mode | Point-to-multipoint (up to 32 nodes, repeaters recommended for 16 nodes or more) | |
| LED indicators | TXD | TX indicator: Green LED flashes when USB port is sending data |
| RXD | RX indicator: Yellow LED flashes when device port is sending data | |
| Operating environment | Temperature | -40 °C ~ 85 °C |
| Humidity | 5 % RH ~ 95 % RH | |
| Operating system | Mac, Linux, Android, WinCE, Windows 11 / 10 / 8.1 / 8 / 7 / XP | |
Original FT232RNL Chip Onboard
Equipped with an FT232RNL USB-to-UART bridge, with mature drivers, stable communication, and excellent compatibility. Paired with an isolated RS485 transceiver circuit for stable and isolated conversion between USB and the RS485 bus.
Isolated Long-Distance RS485 Transmission
The USB signal can be converted into a balanced differential RS485 signal with automatic hardware transceiver direction control. Supports baud rates from 300bps ~ 512,000bps, and RS485 transmission distance is up to 1.2km at low baud rates under ideal cable conditions.
Multi-System Support
Supports Mac, Linux, Android, WinCE, Windows 11 / 10 / 8.1 / 8 / 7 / XP, compatible with PC, industrial computers, embedded hosts, and other devices.
Multi-Level Protection, Safe and Stable Operation
Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, surge and ESD protection. Onboard resettable fuses and protection diodes, ensure stable current/voltage outputs, provide overcurrent/overvoltage protection, improve shock resistance.
Single Channel RS485 RJ45 Connector
Uses an RJ45 port for single-channel RS485 output, providing quick connection to compatible devices or adapter cables with the same pinout.
Working Status Indicators
Onboard TXD and RXD indicators clearly show the working status of USB and RS485 for easy on-site debugging and troubleshooting.
Outline Dimensions
Resources & Services
WIKI: docs.waveshare.com/USB_TO_RS485_E
* Resources for different product batches may vary, please check the wiki page to confirm the actually provided resources.
