Power L N
Communication
Interface
Connect to
IPM P
IPM Interface
Connect to
Z814B PCB
CN8
V phase
Sensor
U phase
Sensor
Connect to
Z814B PCB
CN3
Radiator
Sensor
AC contactor
LED
Silkscreen Interface
P To DC bus, for measuring the Vdc.
CN15 Power supply from switch power
U14 Quick connector of module
CN1 Power supply from switch power
CN8,CN9,CN3
485 communication, for communicating
with main control board (Different
interface shall be selected if matched to
different main control boards)
CN11 Power 220V
CN2 AC contactor control interface
IU To U-phase current sensor
IV To V-phase current sensor
WZ863
CN17
Radiator Temp. Sensor
Fig.7 Three-phase Inverter (ZB WZ863) Interface Diagram
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