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3.3 Precautions on Wiring
26
3.3.7 Installation and Wiring Conditions on CE Marking
Installation Conditions of EMC Directives
To adapt a combination of a SJME servomotor and a SJDE SERVOPACK to EMC Directives
(EN55011, group 1, class A and EN61000-6-2), the following conditions must be satisfied.
Because SERVOPACKs are built-in type, reconfirmation is required after being installed in the final
product.
The actual EMC level may differ depending on the actual system’s configuration, wiring, and
other conditions.
Attaching the Ferrite Core
Coil the servomotor main circuit cable (as a connection) around the ferrite core with two turns, then
attach them by the SERVOPACK. Refer to the diagram in the previous page.
Note: Recommended Ferrite-core
Model: ESD-SR-25 (Tokin. Corp.)
Symbol
Cable Name
Specifications
A
I/O Signals cable
Shielded wire
B
MECHATROLINK-
II
Communication cable
Shielded wire
C
Servomotor Main circuit cable
Shielded wire
D
Encoder cable
Shielded wire
E
AC Line cable
Shielded wire
IMPORTANT
Power supply
Single-phase
200 VAC
U, V, W
L1, L2
CN2
CN1
CN6
Ground Plate
SERVOPACK
PE
1
Noise
filter
Regenerative
unit
Brake power
supply
F
err
ite
core
F
e
rr
ite
core
Clamp
Host controller
Surge
protector
Clamp
Encoder
Servomotor
Brake
3
F
err
ite
core
F
e
rr
ite
core
F
e
rr
ite
core
F
e
rr
ite
core
2
Cable joint
Cable joint
4
5
+,–
Cable (two turns)
Ferrite core
TOEP_C710806_03A_1_0.book Seite 26 Montag, 2. Juli 2007 3:55 15