ABB RED650 - Function Block; Signals; Settings

analog inputs, refer to Application manual/IED application/Analog inputs/
Setting guidelines.
10.3.3 Function block
M14968-3 v6
IEC06000281-2-en.vsd
SAPFRC
U3P*
BLOCK
BLKTRIP
BLKREST
TRIP
START
RESTORE
BLKDMAGN
IEC06000281 V2 EN-US
Figure 131: SAPFRC function block
10.3.4 Signals
PID-6754-INPUTSIGNALS v2
Table 146: SAPFRC Input signals
Name Type Default Description
U3P GROUP
SIGNAL
- Three phase group signal for voltage inputs
BLOCK BOOLEAN 0 Block of function
BLKTRIP BOOLEAN 0 Blocking operate output
BLKREST BOOLEAN 0 Blocking restore output
PID-6754-OUTPUTSIGNALS v2
Table 147: SAPFRC Output signals
Name
Type Description
TRIP BOOLEAN Trip signal
START BOOLEAN Start signal
RESTORE BOOLEAN Restore signal for load restoring purposes
BLKDMAGN BOOLEAN Blocking indication due to low amplitude
10.3.5 Settings
PID-6754-SETTINGS v2
Table 148: SAPFRC Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
StartFreqGrad -10.00 - 10.00 Hz/s 0.01 0.50 Frequency gradient start value, the sign
defines direction
IntBlockLevel 0.0 - 100.0 %UB 1.0 50.0 Internal blocking level in % of UBase
tDelay 0.000 - 60.000 s 0.001 0.200 Operate time delay
Table continues on next page
Section 10 1MRK 505 394-UEN A
Frequency protection
278 Line differential protection RED650 2.2 IEC
Technical manual