ABB RELION REX640 Technical Manual page 1401

1MRS759142 F
7.4.7.1 RCFD Input signals
Table 1334: RCFD Input signals
Name
I3P
IRES
BLOCK
7.4.7.2 RCFD Output signals
Table 1335: RCFD Output signals
Name
ALARM
7.4.8 RCFD Settings
Table 1336: RCFD Non group settings (Basic)
Parameter Values (Range)
Operation
1=on
5=off
Phase start value 0.10...40.00
Maximum fault cy- 1...20
cle
Minimum load cur- 0.00...1.00
rent
Adaptive Str Val
0=False
Ena
1=True
Residual start value 0.10...40.00
Residual current 0.00...1.00
limit
Table 1337: RCFD Non group settings (Advanced)
Parameter Values (Range)
Ena selfclear Det EF 0=False
1=True
REX640
Technical Manual
Type
SIGNAL
SIGNAL
BOOLEAN
Type
BOOLEAN
Unit Step
xIn 0.01
1
xIn 0.10
xIn 0.01
xIn 0.10
Unit Step
Condition monitoring functions
Default Description
- Three-phase currents
- Residual current
0=False Block signal for acti-
vating the blocking
mode
Description
Self clearing fault alarm
Default
1=on
0.10
5
0.10
0=False
0.50
0.10
Default
0=False
Description
Operation Off / On
Fault current
threshold
Fault detect thresh-
old parameter in
fundamental cycles
Absolute minimum
loading on the
feeder
Adaptive threshold
enable
Fault residual cur-
rent threshold
Absolute maximum
residual current un-
der normal condi-
tion
Description
Self clearing fault
on EF
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