The PAC is the company’s all-in-one machine controls solution that combines PLC, HMI, and motion control functionality into a single device. The terminal provides a window into the PAC, allowing for a traditional HMI look and feel while leveraging modern remote technology and single-device programming. With the PAC handling the control and HMI logic, the PT is responsible for displaying the embedded HMI as well as sending touch screen input from the user back to the PAC. As a thin client, the PT significantly reduces the overall system costs when compared to a traditional HMI — especially when connecting multiple PTs to a single PAC. Likewise, the PAC is programmed using a single integrated development environment (IDE) called Parker Automation Manager (PAM), in the IEC 61131-3 programming language and PLCopen motion control function blocks. This choice provides machine builders the ability to use traditional ladder diagram but also to take advantage of the latest control languages available such as Structured Text, Continuous Function Chart, and Sequential Function Chart. IEC 61131-3 brings object oriented-like programming capabilities to the automation industry with the ability to create custom function blocks, libraries, and various data types.
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