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Mitsubishi Electric FR-A500 Instruction Manual Page 155

Transistorized inverter.
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(Note) When the commercial power supply-inverter switch-over sequence function is activated with the
FR-A5AR mounted, a magnet contactor repeats switch on/off. Always use in the following
connection diagram.
1) Recommended connection example 1
Use inverter output terminals (Contact
signal, open collector signal) instead of
MC1 signals.
The phenomenon occurs when relay
output of the FR-A5AR is used as MC1
signal.
2) Recommended connection example 2
When using relay output of the FR-
A5AR, set the alarm output signal
(ABC) instead of the MC1 signal and
output it from contacts B and C.
NFB
MC1
R<L1>
Supply
S<L2>
T<L3>
R1<L11>
S1<L21>
NFB
MC1
R<L1>
Supply
S<L2>
T<L3>
R1<L11>
S1<L21>
146
PARAMETERS
MC2
MC3
Inverter
U
open collector
V
or
W
contacts
A and C
MC1
MC1
FR-A5AR
A
MC2
MC2
C
A
MC3
MC3
C
MC2
Inverter
MC3
U
V
W
FR-A5AR
B
MC1
ABC
C
A
MC2
MC2
C
A
MC3
MC3
C
Motor
IM
Motor
IM

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    electrical controling conction manual
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  • THAI Sep 28, 2015 08:47:
    MANUAL INVERTER MITSUBISHI a100 .thank you very much
  • sandeep Feb 15, 2014 09:20:
    good manual and it is very good to understand the contant of inverter and i lernt many things in this manual