Appendix 2. Compliance to EC Directives
A2 - 3
(4) Earthing
1) To prevent electric shocks, always connect the servo/spindle drive unit protective earth (PE)
terminal (terminal with
mark) to the protective earth (PE) on the control panel.
2) When connecting the earthing wire to the protective earth (PE) terminal, do not tighten the
wire terminals together. Always connect one wire to one terminal.
PE terminal
PE terminal
(5) Wiring
1) Always use crimp terminals with insulation tubes so that the connected wire does not contact
the neighboring terminals.
Crimp terminal
Insulation tube
Wire
2) Do not connect the wires directly.
(6) Peripheral devices
1) Use EN/IEC Standards compliant parts for the no-fuse breaker and contactor.
(7) Miscellaneous
1) Refer to "MDS-C1 INSTRUCTION MANUAL" 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 (
).
4) Inspect the appearance before installing the unit. Carry out a performance inspection of the
final unit, and save the inspection records.
MC1
Mitsubishi CNC
SV1, 2
(CSH21)
External emergenc
stop input
T
S
R
Contactor
No-fuse
breaker
Ground
: Main circuit
: Control circuit
CN1A
CN23
CN4
CN9
CN20
L1
L2
L3
L11
TE3
TE1
CN9
CN1B
L+
L
MU
MV
MW
CN2L
CN2M
LU
LV
LW
TE1
Motor end
detector
Motor end
detector
MDS-A-B
-
MDS-C1-V2-
MDS-C1-CV-
Motor
Motor
CN4
Machine end
detector
Machine end
detector
TE3
TE2L+
L
L11
L21
TE2
C reacto
B-AL-
F
F
K
Ground
Ground
L21
CN3M
CN3L
MC
External brake
output contact
Breaker