ABB RELION REX640 Technical Manual page 1236

Protection related functions
Table 1178: DSTPLAL Non group settings (Basic)
Parameter Values (Range)
Operation
1=on
5=off
Load current value 0.01...1.00
Minimum current 0.01...1.00
Load release off Tm 0...60000
Minimum current 0...60000
time
Operation mode
1=Zone extension
2=Loss of load
3=Both
Load release on 0...60000
time
5.9.9 DSTPLAL Monitored data
Table 1179: DSTPLAL Monitored data
Name Type
DSTPLAL Enum
5.9.10 Technical data
Table 1180: DSTPLAL Technical data
Characteristic
Operation accuracy
Operate time accuracy
Suppression of harmonics
5.10 Scheme communication logic DSOCPSCH (ANSI 85
21SCHLGC)
1236
Unit Step
xIn 0.01
xIn 0.01
ms 10
ms 10
ms 10
Values (Range)
1=on
2=blocked
3=test
4=test/blocked
5=off
Default
1=on
0.10
0.05
300
200
3=Both
0
Unit
Value
At the frequency f = f
n
±1.5 % of the set value or ±0.002 × I
±1.0 % of the set value or ±20 ms
DFT: -50 dB at f = n × f , where n = 2, 3, 4, 5,...
n
1MRS759142 F
Description
Operation Off / On
Load current before
disturbance
Level taken as cur-
rent loss due to re-
mote CB trip
Time delay on drop
off for load current
release
Time delay on pick-
up for Minimum
current value
Operation mode
Time delay on pick-
up for load current
release
Description
Status
n
REX640
Technical Manual