The Fanuc FOCAS (Fanuc Open CNC API Specifications) library is the standard protocol for extracting real-time data from Fanuc CNC controllers. While Fanuc does not provide official Python hooks, developers use community-driven wrappers or custom libraries to interface with the native C libraries.
Install the required fwlipy dependency manually: fanuc focas python
While the FOCAS libraries were originally built for C/C++ or C#, using offers several advantages: The Fanuc FOCAS (Fanuc Open CNC API Specifications)
You must have the official FANUC FOCAS library files ( Fwlib32.dll / fwlib64.dll and their accompanying tracking files) installed on your development PC. # Read macro variable #100 var_num = 100 value = ctypes
# Read macro variable #100 var_num = 100 value = ctypes.c_double() ret = focas.cnc_rdmacro(handle, var_num, 0, ctypes.byref(value))
ip_address = "192.168.1.100" port = 8193 timeout = 10
import ctypes from ctypes import BYREF, c_ushort, c_short, c_long # Load the 64-bit FANUC FOCAS Ethernet library focas = ctypes.WinDLL('./fwlib64.dll') # Define connection parameters ip_address = b"119.2.1.10" # Must be byte string port = 8193 timeout = 10 # Seconds # Variable to hold the library handle lib_handle = c_ushort() # Call the connection function # cnc_allclibhndl3(ip, port, timeout, BYREF(handle)) result = focas.cnc_allclibhndl3(ip_address, port, timeout, BYREF(lib_handle)) if result == 0: print(f"Connected successfully! Handle ID: lib_handle.value") else: print(f"Connection failed with error code: result") Use code with caution. 2. Reading Machine Status
