Selection Example - Mitsubishi Electric MELSERVO EMC Installation Manuallines

Electric ac servo system
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6. SUPPLEMENT

6.4.2 Selection example

The following figure shows a connection example of when three servo amplifiers (MR-J4-100A) are connected
with one EMC filter.
Molded-
case
Power
circuit
supply
breaker
A selection result can be obtained by applying the formulas of 6.1 to 6.3.
EMC filter rated input voltage: 500 V ≥ Servo amplifier rated input voltage: 3-phase 200 V AC to 240 V AC
EMC filter rated input current: 30 [A] ≥ Total rated input current of servo amplifiers: 15 [A]
Total length of servo motor power cables supported by the EMC filter: 100 [m] ≥
According to Table 6.1, HF3030C-SZL can be selected.
Molded-
case
EMC filter
circuit
breaker
Molded-
case
circuit
breaker
Molded-
case
circuit
breaker
Fig. 6.8 Connecting three servo amplifiers to one EMC filter
Servo amplifier
Magnetic
Main circuit
contactor
power supply
Control circuit
power supply
Model: MR-J4-100A
Rated input:
Voltage: 3-phase 200 V AC to 240 V AC
Current: 5 A
Servo amplifier
Magnetic
Main circuit
contactor
power supply
Control circuit
power supply
Model: MR-J4-100A
Rated input:
Voltage: 3-phase 200 V AC to 240 V AC
Current: 5 A
Servo amplifier
Magnetic
Main circuit
contactor
power supply
Control circuit
power supply
Model: MR-J4-100A
Rated input:
Voltage: 3-phase 200 V AC to 240 V AC
Current: 5 A
Total length of servo motor power cables: 60 [m]
6 - 5
Servo
motor
Servo motor power
cable length 15 m
Servo
motor
Servo motor power
cable length 15 m
Servo
motor
Servo motor power
cable length 30 m

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