Mitsubishi Electric FR-A700 Technical Manual page 489

<Installation in inverter input side>
Shortest distance
Common mode
filter
FR-BLF
FR-BSF01
Wire over
shortest
distance.
FR-BIF
T. Run cables as separately as
Terminal block
Power
supply
Motor
Control
supply
• To reduce EMI of the encoder cable, earth (ground) the encoder shielded cable
to the enclosure (as near as the inverter) with a P clip or U clip made of metal. To
protect the cables from EMI, run them away from any source of noise (e.g. the
main circuit and power voltage).
Instructions for installation of noise filters
Inverter
R (L )
1
S (L )
2
T (L )
3
Cable routing in control box
possible and do not run cables in
parallel or together. Cross them
where inevitable.
Inverter
Noise filter
Connection
Instructions for encoder cable wiring
523
<Installation in inverter output side>
Shortest
U
V
W
Common mode filter
FR-BLF
FR-BSF01
U. Masking shield
S. Separate by more than
Microcomputer
30cm (at least 10cm).
board
Programmable
controller
Terminal block
Limit switch
Sensor
Earthing (grounding)
example using a P clip
SELECTION
Number of winds
within 3 times (4T).
Motor
Encoder
cable
Shield
P clip
3