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Connection Diagram When Using Electronic Bypass Sequence Function (fr-a700/f700 Series) - Mitsubishi Electric FR-A7AR Instruction Manual

Relay output function.
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RELAY OUTPUT
4.6
Connection Diagram When Using Electronic Bypass Sequence
Function (FR-A700/F700 series)
When using the electronic bypass sequence function with the FR-A7AR mounted to the FR-A700/F700
series inverter, it is recommended to use either connection shown below.
(1) Recommended connection example 1
(2) Recommended connection example 2
When using relay output of the FR-A7AR,
set the alarm output signal (ALM) instead
of the MC1 signal and output it from
contacts B and C.
25
MCCB
MC1
R/L
1
Power
S/L
2
supply
T/L
3
R1/L
S1/L
MCCB
MC1
R/L
1
Power
S/L
2
supply
T/L
3
R1/L
11
S1/L
21
MC2
Inverter
MC3
U
V
W
11
21
FR-A7AR
MC1
A
MC1
C
MC3
MC2
A
MC2
C
MC2
MC3
A
MC3
C
MC2
Inverter
MC3
U
V
W
FR-A7AR
MC1
B
ALM
C
MC3
MC2
A
MC2
C
MC2
MC3
A
MC3
C
Motor
IM
Motor
IM

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