Power Circuit Wiring - Hitachi WJ200 Instruction Manual

POWER CIRCUIT WIRING

Risk of electric shock!
• Before inspecting the inverter, be sure to turn off
the power supply and wait for more than 10 or 15
minutes depending on the invertor model
(Before inspection, confirm that the Charge lamp on
the inverter is off and the DC bus voltage between
terminals P and N is 45 V or less.)
Terminal Symbol
R, S, T
(L1, L2, L3)
U, V, W
(T1, T2, T3)
PD, P
( +1, + )
P, N
(+, - )
P, RB
( +, RB )
Basic Description
Main power input (3-ph 50/60hz)
Inverter motor output
DC link choke connection terminal
DC bus positive and negative terminals.
Dynamic braking chopper circuit
Risk of electric shock!
• Before inspecting the inverter, be sure to turn off
the power supply and wait for more than 10 or 15
. minutes depending on the invertor model
*1
(Before inspection, confirm that the Charge lamp on
the inverter is off and the DC bus voltage between
terminals P and N is 45 V or less.)
Connect to the AC power supply. Leave these terminals
unconnected when using a front end regenerative converter.
Connect three-phase motor or load reactor.
Remove the PD-P jumper from terminals, and connect the
optional DC link choke for power factor improvement.
Connection of a back end regenerative converter or external
braking unit.
Connect braking resistor.
Extended Description
.
*1
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