Technical revision history..................................................... 573Frequency measurement FMMXU............................................ 574Identification......................................................................... 574Function block...................................................................... 574Functionality......................................................................... 574Signals..................................................................................574Settings................................................................................ 574Monitored data..................................................................... 575Technical data...................................................................... 575Technical revision history..................................................... 575Sequence current measurement CSMSQI................................ 575Identification......................................................................... 575Function block...................................................................... 576Signals..................................................................................576Settings................................................................................ 576Monitored data..................................................................... 577Technical data...................................................................... 578Technical revision history..................................................... 578Sequence voltage measurement VSMSQI................................578Identification......................................................................... 578Function block...................................................................... 579Signals..................................................................................579Settings................................................................................ 579Monitored data..................................................................... 580Technical data...................................................................... 581Three-phase power and energy measurement PEMMXU.........581Identification......................................................................... 581Function block...................................................................... 581Signals..................................................................................582Settings................................................................................ 582Monitored data..................................................................... 583Technical data...................................................................... 584Technical revision history..................................................... 585Single-phase power and energy measurement SPEMMXU......585Identification......................................................................... 585Function block...................................................................... 585Signals..................................................................................585Settings................................................................................ 585Monitored data..................................................................... 586Technical data...................................................................... 591Disturbance recorder RDRE...........................................................591Identification.............................................................................. 591Functionality.............................................................................. 591Table of contents18 REC615 and RER615Technical Manual