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REX640 PCL2 Firmware Update Release 1.1.6 Release Note

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This document details the scope and improvements of firmware update release 1.1.6 for REX640 PCL2 protection relays and LHMIs. It includes instructions for verifying product compatibility, such as checking the Product Connectivity Level (PCL2) and current firmware version, and lists implemented usability improvements like extended frequency protection settings and self-supervision enhancements.

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