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Wiring

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ASDA -A3

3

 Connecting multiple servo drives (in parallel)

Using a common DC Bus can make efficient use of the regenerative energy. For instance,

while one of the axes is decelerating, the regenerative energy can be supplied to other

axes. If you need to connect servo drives of different power levels, only models of similar

power levels can be connected; moreover, each servo drive should connect to a

regenerative resistor (or regenerative unit).

Example: if there is a 400 W servo drive in the current system, you can add servo drives of

the same or different power level which ranges from 200 W to 750 W. This is because the

system can only contain servo drives of up to two different power levels.

TSR

MCCB

EMI filter

Power 1

Power 2

MC ALRM_RY_A

MC

SPD

MC

R

S

T

L1C

L2C

P1

P3

P2

C

Regenerative

resistor

Note:

MCCB: molded case circuit breaker

MC: magnetic contactor

SPD: surge protection device

Power 1: power on

Power 2: power off

ALRM_RY: alarm relay

ALRM_RY_A: normally open contact of the alarm relay

R

S

T

L1C

L2C

P1

P3

P2

C

Regenerative

resistor

3-10

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