Connection Of Main Circuit Power Supply - Mitsubishi Electric MELDAS MDS-R Series Specifications And Instruction Manual

7-5 Connection of main circuit power supply

CAUTION
Drive the contactor via the relay from the CN9 connector's contactor control output (MC). Some types of
contactors can be directly driven with 24VDC.
3-phase
200 to 230V
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1. Make sure that the power supply voltage is within the specified range of
the servo drive 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 error occurs or during inspections. Refer to
Chapter 5 and select a no fuse breaker.
3. The wire size will differ according to each drive unit capacity. Refer to
Chapter 5 and select the size.
4. For safety purposes, always install a contactor (magnetic contactor) on the
main circuit power supply input. Large rush currents will flow when the
power is turned ON. Refer to Chapter 5 and select the correct contactor.
Circuit
Contactor
protector
SH21 cable
Emergency stop alarm
search engine
7. Wiring and Connection
L1
L2
L3
24VDC
power supply
7 - 10
Contactor control relay
(There are also types that
are built into the contactor.)
MDS-R-V1/V2
CN30 CN9
10 VDD
5 COM
15 MC
CN22
Terminator (A-TM) or
battery unit (MDS-A-BT-)
CN1A CN1B