Gravity: Active Isolated RS485 to UART Signal Adapter Module

Gravity: Active Isolated RS485 to UART Signal Adapter Module — DFRobot — DFR0845

Isolated RS485-to-UART bridge with power isolation and TVS surge protection for reliable communication in noisy industrial environments. Connects RS485 sensors and control equipment to UART-capable microcontrollers.

Pinout

Logical pinout · physical placement not verified
GRAVITY: ACTIVE ISOLATTGNDRA-B+12V IN12V OUTGND
  • TGravity UART pin 1
    Type · Signal
  • RGravity UART pin 2
    Type · Signal
  • -
    Type · Ground
  • +Gravity UART pin 4
    Type · Power
  • 12V OUTRS485 pin 1
    Type · Power
  • GNDRS485 pin 2
    Type · Ground
  • ARS485 pin 3
    Type · Signal
  • BRS485 pin 4
    Type · Signal
  • 12V IN12V-IN pin 1
    Type · Power
  • GND12V-IN pin 2
    Type · Ground

Start wiring

Ethernet · UART · SPI · Shield

Verify supply voltage and logic levels before powering up.

Module pins: +, 12V OUT, 12V IN, -, GND, T, R, A. 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