Industrial RS485 Opto-Isolated Hub

Industrial RS485 Opto-Isolated Hub — DFRobot — FIT0821

4-port opto-isolated RS485 hub with surge protection for complex electromagnetic environments, supporting transmission rates up to 115.2 Kbps. Enables multi-device RS485 bus topologies with galvanic isolation between ports.

Pinout

Logical pinout · physical placement not verified
INDUSTRIAL RS485 OPTO-RS485 ports (4x)Terminal blocksPower input
  • RS485 ports (4x)
    Type · Signal
  • Power input
    Type · Power
  • Terminal blocks
    Type · Signal

Start wiring

Ethernet · UART · SPI · Shield

Verify supply voltage and logic levels before powering up.

Module pins: Power input, RS485 ports (4x), Terminal blocks. Schematik maps them to your board in the app.

Wired comms

118 other options

W5100/W5500 Ethernet shields, LAN8720 RMII PHY boards, MAX3243 RS-232 level shifters, isolated USB-to-RS485 converters, CAN FD bridges, and passive or active PoE injectors and splitters.

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Related groups

4 groups