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Appendix 3 - 4
Appendix 3 Compliance to EC Directives
MITSUBISHI CNC
(6) Peripheral devices
[1] Use EN/IEC Standards compliant parts for the circuit protector and contactor.
[2] Select type B circuit protector manufactured by RCD.
Apply Annex C of EN60204-1 for sizing of the circuit protector.
(7) Miscellaneous
[1] Refer to the next section "EMC Installation Guidelines" for methods on complying with the EMC
Directives.
[2] Ground the facility according to each country's requirements.
[3] The control circuit connector (○) is safely separated from the main circuit ( ) and ground (●).
[4] Inspect the appearance before installing the unit. Carry out a performance inspection of the final unit,
and save the inspection records.
OPT1,2
CN1A
CN9
CN1B
U
V
W
CN2
PLG
CN3
CN1A
CN9
CN1B
U
V
W
CN2
CN3
L1
L2
L3
L11
L21
P
C
P
C
L1
L2
L3
L11
L21
T
S
R
CNP2
CNP1
CNP2
CNP3
CNP2
CNP1
CNP2
CNP3
T
S
R
D
Main circuit
Control circuit
Mitsubishi CNC
Servo drive unit
Ground
Motor side
detector
Spindle drive unit
Ground
Machine side
detector
Optical communication cable
Optical communication
cable
Regenerative
resistor unit
Spindle
motor
Servo
motor
Circuit
protector
Contactor
Spindle side
detector
Contactor
Circuit
protector
Circuit
protector
Circuit
protector
Regenerative
resistor unit
When using a built-in
regenerative resistor,
use a shorted wire.
Ground