ABB Relion 670 series - Function Block; Settings; Signals

6.2.3 Function block
M13737-3 v3
ANSI05000363-2-en.vsd
HZPDIF (87)
ISI*
BLOCK
BLKTR
TRIP
ALARM
MEASVOLT
ANSI05000363 V2 EN-US
Figure 47: HZPDIF (87) function block
6.2.4 Signals
IP14244-1 v2
PID-6990-INPUTSIGNALS v1
Table 59: HZPDIF (87) Input signals
Name Type Default Description
ISI GROUP
SIGNAL
- Single phase current input
BLOCK BOOLEAN 0 Block of function
BLKTR BOOLEAN 0 Block of trip
PID-6990-OUTPUTSIGNALS v1
Table 60: HZPDIF (87) Output signals
Name Type Description
TRIP BOOLEAN Trip signal
ALARM BOOLEAN Alarm signal
MEASVOLT REAL Measured RMS voltage on CT secondary side
6.2.5 Settings
IP14245-1 v2
PID-6990-SETTINGS v1
Table 61: HZPDIF (87) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Operation Disabled/Enabled
AlarmPickup 5 - 500 V 1 10 Alarm voltage level on CT secondary
tAlarm 0.000 - 60.000 s 0.001 5.000 Time delay to activate alarm
TripPickup 10 - 900 V 1 100 Pickup voltage level in volts on CT
secondary side
R series 50 - 20000 Ohm 1 250 Value of series resistor in Ohms
1MRK 502 066-UUS B Section 6
Differential protection
145
Technical manual