Hitachi RAS-32CNH1 Serviceanleitung Seite 125

8. HIC and Peripheral Circuits
@ Fig. 8-1 shows the micro computer and its peripheral circuits, Table 8-1, the basic operations of each circuit block,
and Fig. 8-2, the system configuration.
Detects DC current flowing power module and during overcurrent (instantaneous
value) flows, stops upper/lower arm drive circuits and also produces Ip signal by
which drive signal output is stopped.
Peak current cutoff circuit
Set value circuit
Voltage amplifier circuit
Reset circuit Produces reset voltage.
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