Mitsubishi Electric MELSEC A Series User Manual page 28

(b) When wiring with cable that exceeds 2m (6.6ft.), but is 10m (32.8ft.)
or less
Ground the shield section of the external wiring cable with the cable
clamp.
(Ground the shield at the closest location to the AD75 external wiring
connector.)
Install a ferrite core.
Wire the external wiring cable to the drive unit and external device
with the shortest distance.
(c) Ferrite core and cable clamp types and required quantities
1) Cable clamp
Type : AD75CK (Mitsubishi Electric)
2) Ferrite core
Type : ZCAT3035-1330 (TDK ferrite core)
3) Required quantity
Cable lenght
Within 2m (6.6ft.)
2m (6.6ft.) to 10m
(32.8ft.)
(5) I/O and other communication cables
Always earth the shield section of the I/O signal cables and other
communication cables (RS-232-C, RS-422, etc.) in the same manner
as described in (1) if the cables go outside of the control cabinet.
External wiring connector
Ferrite core
Cable clamp
External wiring cable (2m to 10m (6.56 ft. to 32.81 ft.))
Prepared part
1 axis
AD75CK
AD75CK
ZCAT3035-133
0
15
Drive unit
Required Qty
2 axis
1 1
1 1
1 2
2 axis
1
1
3