Function Blocks - ABB REX 521 Technical Reference Manual, Standard Configurations

1MRS 751802-MUM
4.2.1.
Protection Relay
Technical Reference Manual, Standard Configurations
BS1
BS2
GROUP
RESET
BS1
BS2
GROUP
DOUBLE
RESET
BS1
BS2
GROUP
DOUBLE
RESET
BS1
BS2
GROUP
RESET
Protection

function blocks

BS1
BS2
GROUP
RESET
BS1
BS2
GROUP
RESET
GROUP
BS1
BS2
GROUP
RESET
BLOCK (BS)
GROUP
RESET
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Function blocks
Each function block in the overview diagram represents the input and outputs used
in a particular standard configuration. It also includes the type of protection function
and the basic information of the time characteristics and other characteristics, e.g.
CBFP, available in the function. For further information, please refer to the CD-
ROM Technical Descriptions of Functions (1MRS 750889-MCD). See also
"Introduction" on page 12 for differences between the REX 521 and the RED 500
platform in the function block descriptions of the CD-ROM.
I<->O CB1
3I>
OOPEN
OPEN
OCLOSE
CBFP
OPENENA
AOPEN
CLOSE
START
ACLOSE
CLOSEENA
TRIP
BINOPEN
CBFP
BINCLOSE
3I>>
I<->O IND1
BINOPEN
CBFP
BINCLOSE
BSOUT
I<->O IND2 blocks for object indication
START
TRIP BINOPEN
CBFP BINCLOSE
3I>>>
I<->O POS
BINLOCAL
BINREMOTE
CBFP
BSOUT
Io
START
TRIP Io
CBFP
3I
Io>
IL1
IL2
CBFP
IL3
START
TRIP DREC
IL1
CBFP
IL2
IL3
Io>>
Io
Uo
CBFP
BI1
BI2
START
BI3
TRIP
BI4
CBFP
BI5
BI6
Io>>>
BI7
BI8
CBFP
BI9
BI10
START
BI11
TRIP
BI12
CBFP
BI13
3I2f> BI14
BI15
3I /I >
2f 1f
BI16
3dI/dt>
EXT_TRG
START
CB wear
Iub>
OPEN
ALARM
3∆I>
BINOPEN
BINCLOSE
CBFP
TCS1
START
TRIP
TCSSTATE
CBFP ALARM
BS
3Ith> MCS 3I
3
ALARM
J>
Cab
CBFP
PQ 3Inf
START
HAR_HIGH
TRIGG
TRIP
RESET CUM_HIGH
CBFP
CU_ALARM
REX 521
Control
function block
I<->O IND function
Remote/local
function block
Measurement
Condition
monitoring
57