Connection Of Power Supply; Power Supply Input Connection - Mitsubishi Electric MDS-EX-CV Series Specifications And Instruction Manual

MDS-EX-CV/CVH Series Specifications and Instruction Manual
6 Wiring and Connection

6.3 Connection of Power Supply

6.3 Connection of Power Supply
CAUTION
(1) Make sure that the power supply voltage is within the specified range of each unit. Failure to observe this could
lead to damage or faults.
(2) For safety purposes, always install a circuit protector, and make sure that the circuit is cut off when an abnor-
mality occurs or during inspections.
(3) The wire size will differ according to each drive unit capacity.
(4) For safety purposes, always install a magnetic contactor (contactor) on the main circuit power supply input.
Large rush currents will flow when the power is turned ON.
(5) A leakage current of approx. 15mA is passed in the power supply unit's magnetic contact drive circuit. Confirm
that the excitation coil in the magnetic contact will not operate at 15mA or less.

6.3.1 Power Supply Input Connection

 When using one power supply unit
Install the unit so that the total wiring length of the DC power supply terminals TE2 (L+, L-) is 1500 mm or less. Large capacity
spindle drive units, in particular, should be installed adjacent to the power supply unit which they control.
AC
Circuit
reactor
protector
R
S
T
Ground
Circuit
protector
: Main circuit
: Control circuit
: Ground
CAUTION
(1) The power supply unit is equipped with a power supply regenerative type converter. Always install an AC reac-
tor in the power supply line.
(2) When connecting to the TE3 terminal, connect to the power supply side (primary side) of the AC reactor.
(3) Connect the power supply unit's CN4 connector with the spindle drive unit of the largest capacity. If there is no
spindle drive unit, connect to the servo drive unit which is the unbalance axis.
(4) Install the spindle drive unit adjacent to the power supply unit and keep the total TE2 wiring length of the other
drive units to 1500mm or less.
MDS-EX-CV/CVH
CN4
Contactor
L1
TE1
L2
L3
L+
TE2
MC
MC1
L-
CN23
MC2
L11 TE3
L21
Ground
MDS-E/EH-SP/SP2
CN1A
CN4
TE2
L+
L-
TE3
L11
L21
Ground
27
MDS-E/EH-V1/V2/V3
To NC
CN1A
CN1B
L+
TE2
L-
L11
TE3
L21
Ground
IB-1501700-A