What is the fine-grained topic of the following text: The Siemens Drive Technologies Group in Elk Grove Village, IL, introduces the Simotion PAC machine controller, designed to handle the entire monitoring and control process, including PLC logic, motion control, drive control, motion safety, robotics control and PID control for elements such as force and pressure regulation. Only return the topic.
Introduction of the Simotion PAC Machine Controller by Siemens Drive Technologies Group