Signals; Settings - ABB RELION 620 Series Technical Manual

1MAC504801-IB E
4.6.1.6
4.6.1.7
Table 335: 87M Group settings
Parameter Values (Range)
Low trip value 5...30
High trip value 100...1000
Slope section 2 10...50
End section 1 0...100
End section 2 100...300
DC restrain enable 0=False
1=True
620 series ANSI
Technical Manual

Signals

Table 333: 87M Input signals
Name Type
I_A1 SIGNAL
I_B1 SIGNAL
I_C1 SIGNAL
I_A2 SIGNAL
I_B2 SIGNAL
I_C2 SIGNAL
BLOCK BOOLEAN
BLK_OPR_LS BOOLEAN
BLK_OPR_HS BOOLEAN
Table 334: 87M Output signals
Name Type
TRIP BOOLEAN
OPR_LS BOOLEAN
OPR_HS BOOLEAN
INT_BLKD BOOLEAN

Settings

Unit Step
%Ir 1
%Ir 10
% 1
%Ir 1
%Ir 1
Default Description
0 Current ID for getting current values for phase A,
winding 1
0 Current ID for getting current values for phase B,
winding 1
0 Current ID for getting current values for phase C,
winding 1
0 Current ID for getting current values for phase A,
winding 2
0 Current ID for getting current values for phase B,
winding 2
0 Current ID for getting current values for phase C,
winding 2
0=False Block signal for activating the blocking mode
0=False Blocks trip outputs from biased stage
0=False Blocks trip outputs from instantaneous stage
Description
Trip
Trip from low set
Trip from high set
Internal block status
Default Description
5 Basic setting for the stabilized stage pickup
500 Instantaneous stage trip value
30 Slope of the second line of the operating
characteristics
50 Turn-point between the first and the second
line of the operating characteristics
150 Turn-point between the second and the third
line of the operating characteristics
0=False Setting for enabling DC restrain feature
Section 4
Protection functions
419