Robot kits/AR4 Modbus PLC Upgrade

AR4 Modbus PLC Upgrade

$16

Build manual

Add Modbus so the AR4 can sit on a real cell with PLCs, CNCs, and industrial I/O. Includes the RS-485 TTL board, wires, screws, and RJ45 keystone jack.

  • RS-485 TTL board
  • Wires and screws
  • RJ45 keystone jack

Add options for your AR4

View all products