9
3.2.1 Layout and wiring of main circuit terminals
FR-S520-0.1K, 0.2K, 0.4K, 0.75K-NA (R) FR-S520-1.5K, 2.2K, 3.7K-NA (R)
P1
U V W
IM
RST
NP
Jumpe
Power
supply
Motor
P1
Jumper
R S T
U V W
IM
NP
Power
supply
Motor
Screw size: M3.5
Recommended cable size:
2mm
2
(14 AWG)
Crimping terminal: 2-3.5
Screw tightening torque: 1.2 N
⋅
m
Overall wiring length:
100m (328.08feet) maximum *
CAUTION
If the wiring length of the 0.1K or 0.2K is
30m (98.43feet) or more, reduce the
carrier frequency to 1kHz.
Screw size: M4
Recommended cable size:
2mm
2
(14 AWG) (1.5K, 2.2K)
3.5mm
2
(12 AWG) (3.7K)
Crimping terminal:
2-4 (1.5K, 2.2K), 5.5-4 (3.7K)
Screw tightening torque: 1.5N
⋅
m
Overall wiring length:
100m (328.08feet)
maximum *
* When automatic torque boost is selected in Pr. 98 "automatic torque boost selection
(motor capacity)": 30m (98.43feet) maximum.
CAUTION
•
The power supply cables must be connected to R, S, T. If they are connected
to U, V, W, the inverter will be damaged. (Phase sequence need not be
matched.)
•
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.
<When single-phase power input is provided for three-phase power input inverter
(NA version only)>
•
Reduce the output current.
FR-S520-
"
K-NA inverter 0.1 0.2 0.4 0.75 1.5 2.2 3.7
Rated output current (A) 0.4 0.8 1.5 2.5 4.0 5.0 7.0
Power supply capacity (kVA) 0.4 0.8 1.5 2.5 4.5 5.5 9.0
AC input power (kW) 1.1 6.4 4.5 6.4 11.2 12.9 17.4
•
Set m9 (Pr. 637) "current detection filter".
Setting "801" in the manufacturer setting parameter C8 enables you to set the
m9 parameter.
CAUTION
Parameters other than m9 can also be made to be displayed, but never alter
these since they are manufacturer setting parameters.
m9 Setting Description
0 Single-phase power input
- - -
(Factory setting)
Three-phase power input
CAUTION
Always return the C8 parameter to 0 (factory setting) after you have finished the
setting of m9.
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