Name Type Default Description
BLKI01 BOOLEAN 0 Block inhibit of start output for slow swing
condition
BLKI02 BOOLEAN 0 Block inhibit of start output for subsequent
residual current detection
BLK1PH BOOLEAN 0 Block one-out-of-three-phase operating mode
REL1PH BOOLEAN 0 Release one-out-of-three-phase operating mode
BLK2PH BOOLEAN 0 Block two-out-of-three-phase operating mode
REL2PH BOOLEAN 0 Release two-out-of-three-phase operating mode
I0CHECK BOOLEAN 0 Residual current (3I0) detection used to inhibit
start output
TRSP BOOLEAN 0 Single-pole tripping command issued by tripping
function
EXTERNAL BOOLEAN 0 Input for external detection of power swing
PID-3663-OUTPUTSIGNALS v6
Table 50: ZMRPSB Output signals
Name Type Description
START BOOLEAN Power swing detected
ZOUT BOOLEAN Measured impedance within outer impedance
boundary
ZIN BOOLEAN Measured impedance within inner impedance
boundary
7.2.5 Settings
PID-3663-SETTINGS v6
Table 51: ZMRPSB Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Mode On / Off
X1InFw 0.01 - 3000.00 Ohm/p 0.01 30.00 Inner reactive boundary, forward
R1LIn 0.01 - 1000.00 Ohm/p 0.01 30.00 Line resistance for inner characteristic
angle
R1FInFw 0.01 - 1000.00 Ohm/l 0.01 30.00 Fault resistance coverage to inner
resistive line, forward
X1InRv 0.01 - 3000.00 Ohm/p 0.01 30.00 Inner reactive boundary, reverse
R1FInRv 0.01 - 1000.00 Ohm/l 0.01 30.00 Fault resistance line to inner resistive
boundary, reverse
OperationLdCh Off
On
- - On Operation of load discrimination
characteristic
RLdOutFw 0.01 - 3000.00 Ohm/p 0.01 30.00 Outer resistive load boundary, forward
ArgLd 5 - 70 Deg 1 25 Load angle determining load impedance
area
RLdOutRv 0.01 - 3000.00 Ohm/p 0.01 30.00 Outer resistive load boundary, reverse
Table continues on next page
1MRK 505 394-UEN A Section 7
Impedance protection
Line differential protection RED650 2.2 IEC 147
Technical manual