import socket PLC_IP = "169.254.11.8" # 換成你的 PLC IP PLC_PORT = 5000 message = "W=99;" try: with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s: s.connect((PLC_IP, PLC_PORT)) s.sendall(message.encode()) print(f"[Python] 已傳送: {message}") except Exception as e: print(f"[Python] 傳送失敗: {e}")