gefran GPC - Page 63

81901A “MSW_GPC-40/600A”_03-2021_ENG_page 61
Functional diagram of HB calibration in ZC - BF - HSC mode
• BIT_CALIB_HB = ON
• Function dIG.1 / dIG.2 / dIG.3 / dIG.4
• Key Function
×
Control output value
Ou.P
CT ammeter input
value with output
activated
I.on
Filtered VT voltme-
ter input value
I.VF
CT reading in
HB calibration
Hb.tA
HB alarm
threshold
A.Hb
Ou.P power in
calibration
Hb.Pw
VT readout in
HB calibration
Hb.tV
% HB alarm
threshold current
read in HB cali-
bration
Hb.P
Functional diagram of HB calibration in PA mode
• BIT_CALIB_HB = ON
• Function dIG.1 / dIG.2 / dIG.3 / dIG.4
• Key Function
(Load current referred
to 100% conduction)
× ×
Control output value
Ou.P
CT ammeter input
value with output
activated
I.on
Filtered VT voltme-
ter input value
I.VF
CT reading in
HB calibration
Hb.tA
HB alarm
threshold
A.Hb
Ou.P power in
calibration
Hb.Pw
VT reading in
HB calibration
Hb.tV
% HB alarm
threshold current
read in HB cali-
bration
Hb.P