ABB Relion 611 Series, Modbus Point List Manual, Page: 9 / 64

Indication bits mirrored in registers........................................ 41
SSR1 System status register (1) device health......................42
SSR2 System status register (2) protection relay's mode
and state.................................................................................42
SSR3 System status register (3) data available 1 (client-
dependent)............................................................................. 43
SSR4 System status register (4) data available 2 (client-
dependent, user-definable).................................................... 43
SSR5 System status register (5) device alive register........... 44
SSR6 System status register (6) control command status
(client-dependent).................................................................. 44
System register values........................................................... 45
Time and reason for latest IED reset......................................46
User-definable bits [Alt.2], visible on 0x,1x,3x and 4x............ 46
User-definable registers [Alt.1], visible on 3x and 4x............. 47
CTRL.CBCSWI1 Circuit breaker operation counter (1) .........47
LD0.FMMXU1 Frequency measurement (1).......................... 47
LD0.RESVMMXU1 Residual voltage demand value (1) ....... 47
LD0.RESVMMXU1 Residual voltage measurement (1) ........ 48
LD0.VMMXU1 Three-phase voltage measurement (1) ......... 48
LD0.VMMXU1 Voltage demand values (1) ........................... 49
LD0.VSMSQI1 Sequence voltage measurement (1) .............49
Unmapped registers.................................................................... 49
CTRL.LLN0 Local, Remote, Station, Off and Combinations.. 49
LD0.VMMXU2 Three-phase voltage measurement (2).......... 50
Controls............................................................................................ 50
Reset, acknowledge and trigger points....................................... 50
CTRL.CBCSWI1 Circuit breaker control (1)................................ 51
LD0.LDEV1 Protection relay's warm reset (1).............................51
Unmapped control points.............................................................51
Section 3 Glossary......................................................................... 53
Table of contents
REU611 3
Point List Manual