SD450 - DEVICENET POWER ELECTRONICS
10
SAFETY INSTRUCTIONS
CONNECTION PRECAUTIONS
To ensure correct operation of the inverter it is recommended to
use a SCREENED CABLE for the control wiring.
For EMERGENCY STOP, make sure supply circuitry is open.
Do not disconnect motor cables if input power supply remains
connected. The internal circuits of the SD450 Series will be
damaged if the incoming power is connected and applied to
output terminals (U, V, W).
It is not recommended to use a 3-wire cable for long distances.
Due to increased leakage capacitance between conductors, over-
current protective feature may operate malfunction.
Do not use power factor correction capacitors, surge
suppressors, or RFI filters on the output side of the inverter.
Doing so may damage these components.
Always check whether the DC Link LED is OFF before wiring
terminals. The charge capacitors may hold high-voltage even
after the input power is disconnected. Use caution to prevent the
possibility of personal injury.
TRIAL RUN
Verify all parameters before operating the inverter. Alteration of
parameters may be required depending on application and load.
Always apply voltage and current signals to each terminal that
are within levels indicated within this manual. Otherwise, damage
to the optional board may result.
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