ABB relion REF615 Applications Manual page 278

Section 3
REF615 standard configurations
272
FRPFRQ1_OPERATE
FRPFRQ2_OPERATE
FRPFRQ3_OPERATE
GUID-A37BDC66-1D13-4782-8EDA-B6A0E6BF51AF V1 EN
Figure 406: Frequency protection function
General start and operate signals from all the functions are connected to minimum
pulse timer TPGAPC1 for setting the minimum pulse length for the outputs. The
output from TPGAPC1 is connected to binary outputs.
FRPFRQ1
BLOCK OPERATE
OPR_OFRQ
OPR_UFRQ
OPR_FRG
START
ST_OFRQ
ST_UFRQ
ST_FRG
FRPFRQ2
BLOCK OPERATE
OPR_OFRQ
OPR_UFRQ
OPR_FRG
START
ST_OFRQ
ST_UFRQ
ST_FRG
FRPFRQ3
BLOCK OPERATE
OPR_OFRQ
OPR_UFRQ
OPR_FRG
START
ST_OFRQ
ST_UFRQ
ST_FRG
OR6
B1 O
B2
B3
B4
B5
B6
1MRS756378 S
FRPFRQ1_OPERATE
FRPFRQ1_START
FRPFRQ2_OPERATE
FRPFRQ2_START
FRPFRQ3_OPERATE
FRPFRQ3_START
FREQUENCY_OPERATE
REF615
Application Manual