Mitsubishi Electric FR-A720-0.4K Instruction Manual page 209

(5) DC feeding mode1 (Pr. 30 = "10, 11")
⋅ Setting "10, 11" in Pr. 30 enables DC power supply operation.
⋅ Leave the AC power supply connection terminal R/L1, S/L2, and T/L3 open and connect the DC power supply to
terminal P/+ and N/-. Also, remove jumpers across terminal R/L1-R/1/L11 and S/L2-S1/L21, and connect terminals
R1/L11 and S1/L21 to terminal P/+ and N/-.
⋅ The diagram below is a connection example.
DC power
Frequency command
Frequency setting
potentiometer
MC
P/+
(+)
(-)
Forward rotation start
Reverse rotation start
Contact input common
3
2
1/2W1kΩ
1
Motor brake and stop operation
Inverter
Inrush
R/L1 U
current
limit circuit
S/L2 V
T/L3 W
R1/L11
S1/L21
N/-
STF
STR
SD
10
2
5
IM
Earth
(Ground)
4
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