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13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
13.1.1 Function block diagram
The function block diagram of this servo is shown below.
L
L
11
L21
L
1
L2
L3
P1 P2 C
L
11
L
21
L
L
L
Power
supply
Control
power
supply
Base
amplifier
MC
CN1
I/F
CHARGE
lamp
Converter
NFB
Cooling fan
CPU
Trouble, warning, forced stop
CN40
Converter unit
protection coordination
CN40
Power factor
improving DC
CNP1
MC drive
Regenerative
option
Regenerative
TR
Diode
stack
Thyristor
Current
detection
Voltage
detection