Indication bits mirrored in registers........................................ 40SSR1 System status register (1) device health......................40SSR2 System status register (2) protection relay's modeand state.................................................................................41SSR3 System status register (3) data available 1 (client-dependent)............................................................................. 41SSR4 System status register (4) data available 2 (client-dependent, user-definable).................................................... 42SSR5 System status register (5) device alive register........... 42SSR6 System status register (6) control command status(client-dependent).................................................................. 43System register values........................................................... 43Time and reason for latest IED reset......................................44User-definable bits [Alt.2], visible on 0x,1x,3x and 4x............ 45User-definable registers [Alt.1], visible on 3x and 4x............. 45CTRL.CBCSWI1 Circuit breaker operation counter (1) .........45LD0.CMMXU1 Phase current demand values (1).................. 46LD0.CMMXU1 Three-phase current measurement (1) ......... 47LD0.CSMSQI1 Sequence current measurement (1) .............47LD0.MDSOPT1 Runtime counter for machines anddevices (1)..............................................................................47LD0.MPTTR1 Thermal overload protection for motors (1) .... 48LD0.RESCMMXU1 Residual current demand value (1) ........48LD0.RESCMMXU1 Residual current measurement (1) ........ 48Unmapped registers.................................................................... 49CTRL.LLN0 Local, Remote, Station, Off and Combinations.. 49Controls............................................................................................ 49Reset, acknowledge and trigger points....................................... 49CTRL.CBCSWI1 Circuit breaker control (1)................................ 50LD0.LDEV1 Protection relay's warm reset (1).............................50Unmapped control points.............................................................50Section 3 Glossary......................................................................... 51Table of contentsREM611 3Point List Manual