Monitored data...........................................................................310Operation principle.................................................................... 310Zero and negative sequence detection................................ 310Delta current and delta voltage detection.............................311Dead line detection...............................................................314Main logic............................................................................. 314Technical data........................................................................... 318Breaker close/trip circuit monitoring TCSSCBR............................. 318Identification.............................................................................. 318Functionality.............................................................................. 318Function block........................................................................... 318Signals.......................................................................................319Settings......................................................................................319Operation principle.................................................................... 319Technical data........................................................................... 320Section 12 Control..........................................................................321Synchrocheck, energizing check, and synchronizing SESRSYN...321Identification.............................................................................. 321Functionality.............................................................................. 321Function block........................................................................... 322Signals.......................................................................................322Settings......................................................................................324Monitored data...........................................................................326Operation principle.................................................................... 327Basic functionality.................................................................327Synchrocheck.......................................................................327Synchronizing.......................................................................329Energizing check.................................................................. 330Fuse failure supervision....................................................... 331Voltage selection.................................................................. 331Voltage selection for a single circuit breaker with doublebusbars.................................................................................332Voltage selection for a 1 1/2 circuit breaker arrangement....333Technical data........................................................................... 337Apparatus control........................................................................... 338Functionality.............................................................................. 338Switch controller SCSWI........................................................... 338Identification ........................................................................ 338Functionality......................................................................... 338Function block...................................................................... 339Signals..................................................................................339Settings................................................................................ 340Circuit breaker SXCBR..............................................................340Table of contents11Technical manual