Ping the device IP address; verify that Port 502 is not restricted by local network switches.
In a factory with mixed robot brands (e.g., a UR arm in one cell and a Fanuc in another), using Modbus TCP allows for a unified control strategy. The OnRobot tool doesn't care which brand of arm it's attached to; as long as the controller can speak Modbus, the tool is ready to work. onrobot modbus
Assume you are programming a to control an OnRobot RG2 gripper over Modbus TCP. The goal: Pick a part with 50N force at 40mm width. Ping the device IP address; verify that Port
Write 1 (Close command) to Register 22.