gefran GFX4-IR Configuration And Programming Manual page 35

FUNCTIONAL DIAGRAM
HB Alarm
Alarm setpoint
Hb.tr zone 1
I.1on
Alarm setpoint
Hb.tr zone 2 (*)
I.2on
Alarm setpoint
Hb.tr zone 3 (*)
I.3on
NOTE:
the value of setpoint Hb.tr for the HB alarm is calculated in two different ways, depending on the selected function
mode:
if ZC, BF, HSC mode: ...................................................
if PA mode ....................................................................
Value of Ou.P
control outputs
Value of CT input
with output on (phase 1)
I.1ON
Percent HB alarm
setpoint of current
read in HB calibration
Hb.P
Value of Ou.P
control outputs
Value of CT input
with output on (phase 1)
I.1ON
Percent HB alarm
setpoint of current
read in HB calibration
Hb.P
80415F_MSW_GFX4-IR_05-2019_ENG
HB Calibration in modes ZC - BF - HSC
- Calibration ON bit 112
- Function dIG / dIG.2
HB Calibration in mode PA
Ou.P power
in Hb.Pw
calibration
- Calibration ON bit 112
- Function dIG / dIG.2
State of alarm HB phase 1
Function of
HB alarm
State of alarm HB phase 2 (*)
and time for
activation
of HB alarm
(Hb.F, Hb.t)
State of alarm HB phase 3 (*)
Only for 3-phase applications
(*) -
Hb.tr = A.Hb
V
Hb.tr = A.Hb * (Ou.P)
Ou.P power in
Hb.Pw
calibration
CT read in
HB calibration
Hb.TA
(Load current referred to
100% of conduction)
CT read in
X
HB calibration
Hb.TA
See outputs
HB alarm
X
setpoint
A.Hb
HB alarm
X
setpoint
A.Hb
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