Table of contentsSection 1 Introduction.....................................................................27This manual......................................................................................27Intended audience............................................................................27Product documentation.....................................................................28Product documentation set..........................................................28Document revision history...........................................................29Related documents......................................................................29Symbols and conventions.................................................................30Safety indication symbols............................................................30Manual conventions.....................................................................31Section 2 Available functions.........................................................33Main protection functions..................................................................33Back-up protection functions............................................................33Control and monitoring functions......................................................34Designed to communicate................................................................36Basic IED functions..........................................................................37Section 3 Analog inputs..................................................................39Introduction.......................................................................................39Operation principle...........................................................................39Setting parameters...........................................................................40Section 4 Local Human-Machine-Interface LHMI...........................43Local HMI screen behaviour.............................................................43Identification................................................................................43Settings........................................................................................43Local HMI signals.............................................................................43Identification................................................................................43Function block.............................................................................44Signals.........................................................................................44Basic part for LED indication module...............................................44Identification................................................................................44Function block.............................................................................45Signals.........................................................................................45Settings........................................................................................46LCD part for HMI function keys control module................................46Identification................................................................................46Function block.............................................................................46Signals.........................................................................................47Table of contents1Technical Manual