Chapter 1. Introduction
GFK-2222AD April 2018 5
1.2 PACSystems Control System Overview
The PACSystems controller environment combines performance, productivity, openness and flexibility.
The PACSystems control system integrates advanced technology with existing systems. The result is
seamless migration that protects your investment in I/O and application development.
1.2.1 Programming and Configuration
Proficy* Machine Edition programming software provides a universal engineering development
environment for all programming, configuration and diagnostics of PACSystems. A PACSystems CPU is
programmed and configured using the programming software to perform process and discrete
automation for various applications. The CPU communicates with I/O and smart option modules through
a rack-mounted backplane. It communicates with the programmer and/or HMI devices via the Ethernet
ports or via the serial ports COM1 and COM2 using Serial I/O, or Modbus RTU slave protocols.
1.2.2 Process Systems
PACSystems CPUs with firmware version 5.0 and later support Proficy Process Systems (PPS). PPS is a
complete, tightly integrated, seamless process control system using PACSystems, Proficy HMI/SCADA,
and Proficy Production Management Software to provide control, optimization, and performance
management to manage and monitor batch or continuous manufacturing. It delivers the tools required
to design, implement, document, and maintain an automated process. For information about purchasing
PPS software, refer to the Support website.
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