MITSUBISHI ELECTRIC FR-S520 - Manual (Page 17)

8
FR-S520S-0.2K to 1.5K-EC (R)
Power supply
NFB
L 1
N
Motor
IM
Earth
(Ground)
U
V
W
MC
REMARKS
•
To ensure safety, connect the power input to the inverter via a magnetic
contactor and earth leakage circuit breaker or no-fuse breaker, and use the
magnetic contactor to switch power on-off.
•
The output is three-phase 200V.
NOTE
•
To prevent a malfunction due to noise, keep the signal cables more than 10cm
(3.94inches) away from the power cables.
1
.3.2 Layout and wiring of main circuit terminals
FR-S540-0.4K, 0.75K, 1.5K, 2.2K, 3.7K-EC (R)
P1
Jumper
L1 L2 L3 U V W
IM
- +
Power
supply
Motor
FR-S520S-0.2K, 0.4K, 0.75K-EC (R) FR-S520S-1.5K-EC (R)
P1
U V W
IM
+ -
L1 N
Power
supply
Motor
Jumper
P1
U V W
IM
+ -
L1 N
Jumper
Power
supply
Motor
CAUTION
•
Connect the motor to U, V, W.
Turning on the forward rotation switch (signal) at this time rotates the motor
counterclockwise when viewed from the load shaft.
•
For power input wiring, connect L
1
to R/L
1
of the terminal block and N to S/L
2
of
the terminal block.
•
Do not connect the power supply to U, V and W.