powersoft Digam K4 - Technical Diagrams; 7.2 Block Diagrams

7.2Blockdiagram
Thefigure7.1.1showsthetheoutputstageblockdiagram,thefigure7.1.2showsthepowersupplyblockdiagram.
figure7.1.1
FUSES
MAINS
FILTER
MAINS
VOLTAGE
MONITOR
BRIDGE
RECTIFIER
PFC
CONVERTER
RESONANT
CONVERTER
RESONANT
CONVERTER
CONTROLLER
PFC
CONTROLLER
IGBTCONVOK
(TO)
P
VboostOK
(TO)
P
MAINS
CURRENT
MONITOR
P
P
FRONT
PANEL
SWITCH
P
(REMOTEON/OFF)
AUXILIARY
SUPPLY
VauxOK
(TO )
P
TEMPERATURE
CONTROL
OVERCURRENT
CONTROL
P
POWERRAIL
BUS+/-
AUXILIARY
SUPPLY+
AUXILIARY
SUPPLY+
AUXILIARY
SUPPLY-
AUXILIARY
SUPPLY
SHUTDOWN
SHUT
DOWN
FAN
figure7.1.2
25
+
_
INPUTCH1
+
_
GAIN
SELECTION
DSP
OPTION
ETHERNET
OPTION
OUTPUT
ATTENUATOR
OUTPUTMAX
VOLTAGESELECTOR
OUPUTSTAGE
(NOTINVERTING)
FUSES
P
P
POWERRAIL
BUS+/-
1+
2+
2-
1-
ETHERNET
CONNECTION
INPUT
SIGNAL
DETECTOR
P
OUPUTSTAGE
CURRENTLIMITER
HF
LIMITER
CLIP
LIMITER
TEMPERATURE
CONTROL
POWERSUPPLY
CURRENTLIMITER
P
P
P
FROM
POWERSUPPLY
PATH
SELECTOR
link
switch
P
P
+
_
INPUTCH2
+
_
GAIN
SELECTION
DSP
OPTION
ETHERNET
OPTION
OUTPUT
ATTENUATOR
OUTPUTMAX
VOLTAGESELECTOR
OUPUTSTAGE
(INVERTING)
FUSES
P
P
POWERRAIL
BUS+/-
1+
2+
2-
1-
ETHERNET
CONNECTION
INPUT
SIGNAL
DETECTOR
P
OUPUTSTAGE
CURRENTLIMITER
HF
LIMITER
CLIP
LIMITER
TEMPERATURE
CONTROL
POWERSUPPLY
CURRENTLIMITER
P
P
P
FROM
POWERSUPPLY
PATH
SELECTOR
OUTPUTCH2
OUTPUTCH1
P
P
DCDETECTOR
SHUTDOWN
TOPOWER
SUPPLY
DCDETECTOR
SHUTDOWN
TOPOWER
SUPPLY
FAN
FAN