# Define the ODBSTS structure (used for reading status) class ODBSTS(ctypes.Structure): _fields_ = [ ("dummy", ctypes.c_short * 2), ("tmmode", ctypes.c_short), ("aut", ctypes.c_short), ("run", ctypes.c_short), ("motion", ctypes.c_short), ("mstb", ctypes.c_short), ("emergency", ctypes.c_short), ]
To help tailor this script or architecture for your shop floor, let me know:
print(f"Program: program | RPM: spindle_rpm | Load: spindle_load%") time.sleep(1) fanuc focas python
FANUC FOCAS is a set of dynamic link libraries (DLLs) provided by FANUC. It allows external software to interact with the CNC controller via Ethernet (TCP/IP) or HSSB (High-Speed Serial Bus).
export LD_LIBRARY_PATH=/path/to/library:$LD_LIBRARY_PATH # Define the ODBSTS structure (used for reading
This guide focuses on the method, as it requires no external dependencies beyond the official Fanuc libraries and gives you full control.
# Create a handle variable libh = ctypes.c_ushort() # Create a handle variable libh = ctypes
0;1052;0;2cb; 0;908;0;f1; 0;88;0;98; 0;279;0;17a; 0;1247;0;b19;
while True: try: # Get current program name program = focas.cnc_exeprgname2()
Using cnc_rdpmcrng and cnc_wtpmcrng , Python can read and write to the CNC's internal programmable machine control (PMC) addresses. This allows your Python application to trigger physical stack lights, interlock doors, or communicate directly with external robotic loading cells without modifying the core NC program logic. Best Practices and Performance Optimization
To write effective Python scripts for your shop floor, you must understand how FOCAS operates under the hood. The Components: FOCAS1 vs. FOCAS2