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4.1 Before attaching WJ-PN
First of all, please confirm that the inverter’s main power supply is OFF. Next, please confirm that
the 4-digit 7-segment display turns off the light.
Perform the main circuit wiring of the power line (power supply, motor, grounding, BRD), and do the
control circuit wiring of the signal line. After wiring on main and control circuit is completed, please
confirm that the inverter works normally before attaching WJ-PN.
Please refer to Chapter 2 Inverter Mounting and Installation' of the WJ200 / WL200 instruction
manual for the wiring.
4.2 Attachment procedure
The connection procedure of WJ-PN as follows.
（An example: in the case of WJ200-004LF）
(Main circuit electric wiring and the control circuit electric wiring are omitted.)
The initial state.
Please remove the optional board cover.
Removed optional board cover
(Please carefully store an optional board cover.
When the WJ-PN breaks down, it will be necessary
for the temporary driving.)
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