Hitachi L100 SERIES Service Manual page 38

(2). IMAGE BLOCK DIAGRAM OF L100-HFE,HFU INVERTER
CORE INVERTER
(ISPM)
R(L1)
S(L2)
T(L3)
EMC DIRECTIVE COMPLIANT WITH DEDICATED NOISE FILTER(OPTION)
DC REACTOR
(OPTION)
PD(+1)
RS
CONVERTER
POWER SUPPLY
DETECT V,I
DRIVE CIRCUIT
ISORATION
MCU
EEPROM
P(+)
N(-)
+
+
I/O BLOCK
(I/O board)
MCU
SERIAL
COMMUNICATION
COMMUNICATION
PORT
9-2
SUB CONDENCER BOARD
+
+
INVERTER
OPERATION PANEL WITH
POTENTIOMETER
HITACHI
TERMINALS
USER INTERFACE
REMORT OPERATOR
U(T1)
V(T2)
W(T3)