Inovance MD280NT2.2GB - Page 4

MD280 User Manual Introduction
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Connection to Peripheral Devices
Ground
AC input
reactor
Electromagnetic
contactor
Moulded case circuit
breaker (MCCB) or earth
leakage circuit breaker
(ELCB)
Three-phase AC
power supply
Reliably ground the motor and the
AC drive to prevent electric shock.
Suppress the high order harmonic
to improve the power factor.
Braking resistor
Noise filter
on input side
To guarantee safety, use an
electromagnetic contactor. Do not use it to
start or stop the AC drive because such
operation reduces the service life of the
AC drive.
Select a proper circuit breaker to
resist large in-rush current that flows
into the AC drive at power-on.
Use within the allowable power
supply specification of the AC drive .
Reduce the electromagnetic
interference on the input side.
Output reactor
R
S
T
P
W
V
U
BR
Braking unit


MD280
Motor
Ground
 Do not install the capacitor or surge suppressor on the output side of the AC drive.
Otherwise, it may cause faults to the AC drive or damage to the capacitor and surge
suppressor.
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with the communication device connected to the AC drive. Therefore, install an anti-
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 For more details on peripheral devices, refer to section 3.2.1.
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