InLine® Convertidor USB a serie RS485 con protección contra sobretensiones

The InLine® USB to serial RS485 converter with lightning protection reliably connects computers with a USB-A port to RS485 devices and bus systems. It uses the FTDI chipset for stable data transmission and supports communication via a virtual COM port, making it ideal for Modbus RTU and other serial applications in automation, measurement, and control technology.

Key features

• FTDI chipset for stable USB to RS485 communication
• Integrated 6 kV lightning and surge protection according to IEC 61000-4-5
• Bidirectional TVS protection diode and ESD protection for RS485 A/B
• Automatic hardware-based direction switching for half-duplex mode
• 4-pin RS485 screw terminal with GND, A, B, PGND
• Integrated 120 Ω terminating resistor
• Status LEDs for power, transmit, and receive
• Wide compatibility: Windows 7/8/8.1/10/11, Linux, macOS, Android

Specifications

• Brand: InLine
• MPN: 33307E
• Product type: USB to Serial Adapter
• Serial interface type: RS-485
• Chipset: FTDI FT232RNL
• Host connection: USB-A
• Device connection: RS485 screw terminal
• Pin configuration: GND, A, B, PGND (ground, RS485+, RS485−, protective earth)
• Baud rate: 300 to 512,000 b/s
• Transmission mode: Half-duplex with automatic direction switching
• Maximum RS485 cable length: up to approx. 1.2 km
• Maximum USB cable length: up to approx. 5 m
• Bus participants: up to 32 devices per bus segment (an RS485 repeater is recommended for larger networks)
• Terminating resistor: integrated 120 Ω
• Lightning protection: 6 kV surge and lightning protection in accordance with IEC 61000-4-5
• TVS protection: bidirectional TVS protection diode for RS485 A/B
• ESD protection: ±15 kV air discharge / ±8 kV contact discharge
• PGND connection: Protective earth connection, galvanically isolated from the signal ground
• USB protection: 200 mA PTC fuse, ESD protection
• RS485 protection: Protective diodes, overvoltage protection, resettable fuse
• Status indicators: PWR, TXD, RXD (Power, Transmit, Receive)
• Supported operating systems: Windows 7/8/8.1/10/11, Linux, macOS, Android