REJ 523
Technical Reference Manual
ABB Substation Automation
Products and Systems
MRS750940-MUM
40
Settings
Table 4.1.9.3-1 Settings
Variable
Actual
settings
(R)
Group 1
(R, W, P)
Group 2
(R, W, P)
Setting
range
Start current of stage I>
S1
S41
S81
0.30...5.00 x I
n
Operate time or time
multiplier k of stage I>
S2
S42
S82
0.05 ...300 s /
0.05...1.00
1)
Start current of stage I>>
S3
2)
S43
S83
0.30...35.0 x I
n
Operate time of stage I>>
S4
S44
S84
0.04...300 s
Checksum, SGF 1
S5
S45
S85
0...255
Checksum, SGF 2
S6
S46
S86
0...255
Checksum, SGF 3
S7
S47
S87
0...255
Checksum, SGB 1
S8
S48
S88
0...255
Checksum, SGR 1
S9
S49
S89
0...255
Checksum, SGR 2
S10
S50
S90
0...255
Checksum, SGR 3
S11
S51
S91
0...255
Checksum, SGR 4
S12
S52
S92
0...255
Operate time of circuit-
breaker failure protection
-
S121
S121
0.10...1.00 s
Time setting for disabling
new trip indication on
LCD
-
S122
S122
0…999 min
1)
Values above 1 equal 1.
2)
If the protection stage has been set out of function, the number indicating the
currently used value is displaced by “999” in serial communication and by dashes on
the LCD.
Recorded data
Parameters V1 and V2 indicate the number of starts of the protection stages,
parameter V3 indicates the stage that has caused operation and parameter V4 the
operation.
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