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Appendix 4 - 7
MDS-D/DH Series Specifications Manual
Appendix 4-6 EMC countermeasure parts
Appendix 4-5-4 Servo/spindle motor feedback cable
Use a shield pair cable for feed back cable of the servo motor to earth on NC side (inside the control panel.)
Mounting a ferrite core directly behind the unit connector is also effective in suppressing noise.
Feed back cable for servomotor
Appendix 4-6 EMC countermeasure parts
Appendix 4-6-1 Shield clamp fitting
The effect can be enhanced by connecting the cable directly to the earthing plate. Install an earthing plate near
each panel's outlet (within 10cm), and press the cable against the earthing plate with the clamp fitting. If the
cables are thin, several can be bundled and clamped together. Securely earth the earthing plate with the frame
ground. Install directly on the cabinet or connect with an earthing wire.
A B C Enclosed fittings
Ground Plate #D 100 86 30 Clamp fitting A x 2
Ground Plate #E 70 56 - Clamp fitting B x 1
L1 (maximum dimension when it is open) L2 (reference dimension)
Clamp fitting A 25 (77)
Clamp fitting B 12 (54)
Cannon connector
Batch shield pair cable
To drive unit
Control panel
4
0
35
6
22
17.5
A
C
3
5
2
4
-
0
.
2
0
1
1
7
3
6
B
r
0
.
3
L1
3
0
L2
+
0
.
3
0
2
4
2- Ǿ
[Unit: mm]
(Note 1) Screw hole for wiring to earthing plate in cabinet.
(Note 2) The earthing plate thickness is 1.6mm.
hole
(Fitting A, B)
Installation hole
Clamp fittingEarthing plate
Outline drawing
5
M4 screw
0QVG
Shield sheath
Cable
Cable
Earthing plate
Peel the cable sheath at the clamp section.
View of clamp section
Clamp fitting