ABB Ability Zenon Chronological Event List Technical Manual

This document is a technical manual for the Chronological Event List (CEL) feature within the ABB Ability™ Operations Data Management Zenon system, version 8.20. It provides detailed instructions for engineering, configuring, and customizing CEL screens, filters, control elements, and event definitions, including column settings, time/lot/shift filters, ring buffer management, and export functions.