Klein + Hummel
Operating Manual KPA Series
English
24
Block diagram
+
_
INPUT CH1
+
_
GAIN
SELECTION
DSP
OPTION
K8
OUTPUT
ATTENUATOR
OUTPUT MAX
VOLTAGE SELECTOR
OUPUT STAGE
(NOT INVERTING)
FUSES
P
P
POWER RAIL
BUS + /-
1+
2+
2-
1-
K8
INPUT
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
K8
OUTPUT
ATTENUATOR
OUTPUT MAX
VOLTAGE SELECTOR
OUPUT STAGE
(INVERTING)
FUSES
P
P
POWER RAIL
BUS + /-
1+
2+
2-
1-
K8
INPUT
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
figure 35
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
AUXILIARY
AUXILIARY
SUPPLY -
AUXILIARY
SUPPLY
SHUT DOWN
SHUT
DOWN
FAN
figure 36
