Instruction manual

26
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.
IM
MCCB
S1/L21
R1/L11
T/L3
S/L2
R/L1
MC1
MC2
V
U
MC3
Power
supply
Motor
Inverter
W
MC1
MC1
MC2
MC3
FR-A7AR
A
C
A
C
MC2
A
C
MC3
MC3
MC2
IM
MCCB
MC1
MC2
W
V
U
MC3
Power
supply
Motor
Inverter
S1/L21
R1/L11
T/L3
S/L2
R/L1
ALM
MC1
FR-A7AR
MC2
C
MC2
MC3
A
C
MC3
B
A
C
MC3
MC2