Function Block - ABB RES670 Technical Manual

1MRK 511 408-UUS A
10.2.3
10.2.4
Phasor measurement unit RES670 2.2 ANSI
Technical manual
SAPTOF (81) is provided with an undervoltage blocking.
The operation is based on positive sequence voltage measurement and requires two
phase-phase or three phase-neutral voltages to be connected. For information about
how to connect analog inputs, refer to Application manual/IED application/Analog
inputs/Setting guidelines.

Function block

SAPTOF (81)
V3P* TRIP
BLOCK PICKUP
BLKTRIP BLKDMAGN
FREQ
ANSI06000280-2-en.vsd
ANSI06000280 V2 EN-US
Figure 107: SAPTOF (81) function block
Signals
Table 167: SAPTOF (81H) Input signals
Name Type
V3P GROUP
SIGNAL
BLOCK BOOLEAN
BLKTRIP BOOLEAN
Table 168: SAPTOF (81H) Output signals
Name Type
TRIP BOOLEAN
PICKUP BOOLEAN
BLKDMAGN BOOLEAN
FREQ REAL
Default Description
- Three phase group signal for voltage inputs
0 Block of function
0 Blocking operate output
Description
Common trip signal
Common pickup signal
Blocking indication due to low magnitude
Measured frequency
Section 10
Frequency protection
PID-6751-INPUTSIGNALS v2
PID-6751-OUTPUTSIGNALS v2
M14956-3 v5
309