NSK EDD Megatorque Motor - Page 10

Conditions to Conform with EU Directives
The wiring example shown below is one of our recommendations for the conformity with the EU Directives.
Figure 1: Wiring diagram (Example)
Surge
absorber
Resolver
AC power
source
Protective
ground (PE)
Main
power
CN5
Control
power
CN4
CN3
L
N
L
N
CN1
Handy
Terminal
Ferrite
core 1
(3 turns)
Ferrite
core 3
(1 turn)
Ferrite
core 3
(1 turn)
Ferrite
core 3
(2 turns)
Megatorque Motor
Ferrite
core 2
(2 turns)
Motor
Driver Unit Model EDD
Inside of control panel
Circuit breaker
Noise filter
 Environmental conditions
The Driver Unit must be used in the environmental condition of Pollution Degree1 or 2 as specified by
IEC60664-1. The Driver Unit shall be installed into a control panel with the structure that does not allow
penetration of water, oil or dust (IP54).
 Power source
The Driver Unit Model EDD shall be used in the environmental condition of “Over-voltage category III”
as specified by IEC60664-1.
 Circuit breaker
Install a circuit breaker that conforms to IEC standard and UL safety standard between the power source
and the Driver Unit.
 Noise filter
Install a noise filter between the power source and the Driver Unit.
 Ferrite core
Ferrite cores for signal cable shall be set to the power cable, the Motor cable and the resolver cable.
 Protective Grounding
Be sure to ground the protective grounding terminal of the Driver Unit Model EDD to the protective
ground (PE) of the control panel for a measure against electrical shock.
Table 2: List of recommended parts
Item
Specification
Model Number
Remarks
Circuit breaker
Rated current:
15 [A]
BW32AAG
(Fuji Electric)
Conforms to IEC regulations and
approved by UL
Noise filter
Single phase:
250 [VAC], 10 [A]
FN2070-10/06
(SCHAFFNER)
Surge absorber
–
R-A-V781BWZ-4
(Okaya electric)
Ferrite core 1
–
E04RA400270150
(Seiwa Electric MFG)
Ferrite core 2
–
E04SR301334
(Seiwa Electric MFG)
For the Terminal
Ferrite core 3
–
E04SR211132
(Seiwa Electric MFG