Name Type Values (Range) Unit Description
Phase reactance Zn1 FLOAT32 -3000.00...3000.00 ohm Phase to earth reac-
tance in phase domain,
zone 1
Fault/load Dir Zn2 Enum
0=unknown
1=forward
2=backward
3=both
Direction of fault or
load zone 2
Dir resistance Zn2 FLOAT32 -3000.00...3000.00 ohm Direction resistance,
zone 2
Dir reactance Zn2 FLOAT32 -3000.00...3000.00 ohm Direction reactance,
zone 2
Flt loop 1st Ris Zn2 FLOAT32 -3000.00...3000.00 ohm First PE-loop resist-
ance, zone 2
Flt loop 1st Rea Zn2 FLOAT32 -3000.00...3000.00 ohm First PE-loop reactance,
zone 2
Flt loop 2nd Ris Zn2 FLOAT32 -3000.00...3000.00 ohm Second PE-loop resist-
ance, zone 2
Flt loop 2nd Rea Zn2 FLOAT32 -3000.00...3000.00 ohm Second PE-loop reac-
tance, zone 2
Flt PP-loop Ris Zn2 FLOAT32 -3000.00...3000.00 ohm PP-loop resistance,
zone 2
Flt PP-loop Rea Zn2 FLOAT32 -3000.00...3000.00 ohm PP-loop reactance, zone
2
Phase reactance Zn2 FLOAT32 -3000.00...3000.00 ohm Phase to earth reac-
tance in phase domain,
zone 2
Fault/load Dir Zn3 Enum
0=unknown
1=forward
2=backward
3=both
Direction of fault or
load zone 3
Dir resistance Zn3 FLOAT32 -3000.00...3000.00 ohm Direction resistance,
zone 3
Dir reactance Zn3 FLOAT32 -3000.00...3000.00 ohm Direction reactance,
zone 3
Flt loop 1st Ris Zn3 FLOAT32 -3000.00...3000.00 ohm First PE-loop resist-
ance, zone 3
Flt loop 1st Rea Zn3 FLOAT32 -3000.00...3000.00 ohm First PE-loop reactance,
zone 3
Flt loop 2nd Ris Zn3 FLOAT32 -3000.00...3000.00 ohm Second PE-loop resist-
ance, zone 3
Flt loop 2nd Rea Zn3 FLOAT32 -3000.00...3000.00 ohm Second PE-loop reac-
tance, zone 3
Flt PP-loop Ris Zn3 FLOAT32 -3000.00...3000.00 ohm PP-loop resistance,
zone 3
Flt PP-loop Rea Zn3 FLOAT32 -3000.00...3000.00 ohm PP-loop reactance, zone
3
Phase reactance Zn3 FLOAT32 -3000.00...3000.00 ohm Phase to earth reac-
tance in phase domain,
zone 3
Fault/load Dir Zn4 Enum
0=unknown
1=forward
2=backward
3=both
Direction of fault or
load zone 4
Dir resistance Zn4 FLOAT32 -3000.00...3000.00 ohm Direction resistance,
zone 4
Dir reactance Zn4 FLOAT32 -3000.00...3000.00 ohm Direction reactance,
zone 4
Flt loop 1st Ris Zn4 FLOAT32 -3000.00...3000.00 ohm First PE-loop resist-
ance, zone 4
Table continues on the next page
1MRS759142 F Protection functions
REX640
Technical Manual
1003
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