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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
L11
L21
L1
L2
L3
P1P2C
L11
L21
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