How to Safeguard Plant Automation with a Change Management System
Summary
Often, their control programs aren’t protected from loss, human error, unauthorized changes, security breaches, equipment failure and power surges, to name a few. For these reasons, it’s important to ensure you have the proper safeguards in place to protect and manage any change in these assets, as well as to have current backup copies of the device configuration easily accessible. Because automated devices have become more complex in recent years, owing to the incorporation of large amounts of plant data, there is an ongoing need to adjust variables and logic more frequently. The ability to quickly recover from these events depends on backing up the control program — something the CMS provides with current, complete and easily accessible backup copies. A newer variant of the PLC — called the programmable automation controller (PAC) — can perform the same tasks as traditional PLCs, all while managing multiple applications simultaneously.
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