ABB REX 521 Technical Reference Manual, General page 52

Protection relay
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REX 521
Table 11.5.-1Class 1 data signals
Function block
IEC name
0-->I
AR: CB opened manually or remotely
0-->I
AR: CB opening failure
0-->I
AR: closing inhibited
0-->I
AR: lockout
I<->0
CB1: breaker 1
I<->0
IND: disconnector 1
I<->0
IND2: earthswitch
I<->0
CB1: command sequence
I<->0
CB1: open output
I<->0
CB1: close output
I<->0
CB1: opening time
I<->0
CB1: closing time
I<->0
CB1: command status
I<->0
POS: logic setting (local/remote)
Auxiliary input 1 (Digital input 6)
Auxiliary input 2 (Digital input 7)
Auxiliary input 3 (Digital input 8)
Auxiliary input 4 (Digital input 9)
Auxiliary input 5 (Digital input 1)
Auxiliary input 6 (Digital input 2)
Auxiliary input 7 (Digital input 3)
Auxiliary input 8 (Digital input 4)
Auxiliary input 9 (Digital input 5)
Output relay 1 position (HSPO1)
Output relay 2 position (PO1)
Output relay 3 position (PO2)
Output relay 4 position (PO3)
Output relay 5 position (SO1)
Output relay 6 position (SO2)
Test mode ON/OFF
DREC
Recorder full memory
DREC
Recorder triggered
CB WEAR
CB1 wear alarm
MCS 3I
Current input circuit supervision
MCS 3U
Voltage input circuit supervision
TCS1
Trip-circuit supervision
Uo>
Residual overvoltage general START
Uo>
Residual overvoltage TRIP>
Uo>>
Residual overvoltage START>>
Uo>>
Residual overvoltage TRIP>>
Uo>>>
Residual overvoltage START>>>
Uo>>>
Residual overvoltage TRIP>>>
3U>
Overvoltage general START
3U>
Overvoltage TRIP>
3U>>
Overvoltage START>>
3U>>
Overvoltage TRIP>>
3U<
Undervoltage general START
3U<
Undervoltage TRIP<
3U<<
Undervoltage START<<
3U<<
Undervoltage TRIP<<
SYNC1
Synchro-check/voltage check, St 1, SC Due
52
Protection Relay
Technical Reference Manual, General
Inf
St
Ftyp
GI
Typ
Num
P
169
160
0
1
P
169
161
0
1
P
169
162
0
1
P
169
164
1
1
B
240
160
1
1
B
240
161
1
1
B
240
164
1
1
P
242
201
0
1
P
242
202
0
1
P
242
203
0
1
P
242
204
0
1
P
242
205
0
1
P
242
206
0
1
P
250
220
1
1
A
*)
27
1
1
A
*)
28
1
1
A
*)
29
1
1
A
*)
30
1
1
P
249
231
1
1
P
249
232
1
1
P
249
233
1
1
P
249
234
1
1
P
249
235
1
1
P
251
27
1
1
P
251
28
1
1
P
251
29
1
1
P
251
30
1
1
P
251
31
1
1
P
251
32
1
1
P
10
21
1
1
P
195
50
0
1
P
195
51
0
1
P
194
10
0
1
A
*)
32
1
1
A
*)
33
1
1
A
*)
36
1
1
P
170
84
1
1
P
170
90
0
1
P
170
94
1
1
P
170
91
0
1
P
170
96
1
1
P
170
98
0
1
P
165
84
1
1
P
165
90
0
1
P
165
94
1
1
P
165
91
0
1
P
166
84
1
1
P
166
90
0
1
P
166
94
1
1
P
166
91
0
1
P
218
1
1
1
1MRS 751108-MUM
Function block
COT
(ABB name)
1
AR5Func
1
AR5Func
1
AR5Func
1, 9
AR5Func
1, 9, 12 COCB1
1, 9
COIND1
1, 9
COIND2
1
COCB1
1
COCB1
1
COCB1
1
COCB1
1
COCB1
1
COCB1
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1, 9
system
1
MEDREC16
1
MEDREC16
1
CMBWEAR1
1, 9
CMCU
1, 9
CMVO
1, 9
CMTCS1
1, 9
ROV1Low
1
ROV1Low
1, 9
ROV1High
1
ROV1High
1, 9
ROV1Inst
1
ROV1Inst
1, 9
OV3Low
1
OV3Low
1, 9
OV3High
1
OV3High
1, 9
UV3Low
1
UV3Low
1, 9
UV3High
1
UV3High
1,9
SCVCSt1

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