Delta C2000 Series User Manual page 59

Chapter 5 Main Circuit Terminals
Be sure to tighten the screws of the main circuit terminals to prevent sparks
due to the loosening of vibrations.
Ensure the insulation between the main circuit wiring, and main circuit
wiring with chassis in accordance with the relevant safety regulations.
If it is necessary to add filter in motor drive output side, the inductive filter is
required to be applied. It is not suggested to use phase-advancing
capacitors or L-C R-C filter.
Do not short [ +1 - ] [ +2 - ] [ +1/DC+ -/DC- ] or connect braking resistors
directly, or the motor drive will be damaged.
Main power terminals
Do not connect 3-phase model to one-phase power. R/L1, S/L2 and T/L3
has no phase-sequence requirement, it can be used upon random
selection.
It is recommend adding a magnetic contactor (MC) to the power input wiring
to cut off power quickly and reduce malfunction when activating the
protection function of the AC motor drive. Both ends of the MC should have
an R-C surge absorber.
Please use voltage and current within the specification.
When using a general GFCI (Ground Fault Circuit Interrupter), select a
current sensor with sensitivity of 200 mA or above and not less than
0.1-second operation time to avoid nuisance tripping.
Please use the shield wire or tube for the power wiring and ground the two
ends of the shield wire or tube.
Do NOT run/stop AC motor drives by turning the power ON/OFF. Run/stop
AC motor drives by RUN/STOP command via control terminals or keypad. If
you still need to run/stop AC motor drives by turning power ON/OFF, it is
recommended to do so only ONCE per hour.
Output terminals for main circuit
Use well-insulated motor, suitable for inverter operation.
Note down the rated data and the torque force of the wiring when the output
terminal is below 75 . This information provides the right wiring method to
wire terminals (It corresponds to the terminals of the motor wire and
non-motor wire).
When the AC drive output terminals U/T1, V/T2, and W/T3 are connected to
the motor terminals U/T1, V/T2, and W/T3, respectively, the motor will rotate
counterclockwise (as viewed on the shaft end of the motor) when a forward
operation command is received. To permanently reverse the direction of
motor rotation, switch over any of the two motor leads
5-2
Fo wa rd
Running