Specifications

ManualsBrandsMitsubishi ManualsAmplifierMelservo-J3 Series MR-J3-B

Peripheral Equipment

● Electric wires, circuit breakers, magnetic contactors

● Surge suppressor

Attach surge suppressors to the servo amplifier, signal cable’s AC relays, AC valves, and AC electromagnetic brake. Attach diodes to

DC relays and DC valves.

Sample configuration

Surge suppressor:

Diode :

972A-2003 504 11 (rated 200V, made by Matsuo Denki)

A diode with resisting pressure 4 or more times greater than the relay’s drive voltage, and 2 or more times greater

than the current.

● Data line filter

Attaching a data line filter to the pulse output cable or motor encoder cable of the pulse train output controller (QD75D, etc.) is

effective in preventing noise penetration.

Sample configuration

Data line filter: ESD-SR-25 (made by NEC TOKIN), ZCAT3035-1330 (made by TDK)

● Radio noise filter (FR-BIF)

This filter effectively controls noise transmitted from the power supply side of the servo amplifier, and is especially effective for radio

frequency bands under 10MHz. Only for input.

External dimensions

Connections

1. Cannot be connected to output side of the servo amplifier.

2. Wiring should be as short as possible.

Notes:

Unit: mm (inch)

● Line noise filter (FR-BSF01, FR-BLF)

This filter is effective for suppressing radio noise emitted from the servo amplifier’s power supply side or output side, and high-

frequency leakage current (zero-phase current). Especially effective in the 0.5MHz to 5MHz band.

110 (4.33)

22 (0.87)

95 (3.74)

65 (2.56)

3 (0.12)

2-ø5 (0.197)

ø33

(1.299)

130 (5.12)

85 (3.35)

160 (6.30)

180 (7.09)

ø7 (0.276)

80 (3.15)

31.5 (1.24)

2.3 (0.09)

(1.378)

7 (0.276)

<FR-BSF01>

MR-J3-200A or smaller

<FR-BLF>

MR-J3-350A

External dimensions

Unit: mm (inch)

Connections

Wind the 3-phase wires in the same direction and the same number of winds, and then

connect them to the power supply side and output side of the servo amplifier. Increasing

the number of winds on the power supply side is effective, but normally, the number of

penetrations on the power supply side is approx. four times. If the wire is thick and hard to

wind, use two or more filters, and make sure that the total of penetrations exceeds the

above number. Make sure that the number of penetrations on the output side is four times

or less. Do not wind the grounding (earth) wire together with the 3-phase wires. The effect

of the filter will drop.

Blue

29 (1.14)

(0.28)

44 (1.73)

58 (2.28)

ø5 (0.197)

hole

Leakage current: 4mA

300 (11.8)

42 (1.65)

4 (0.16)

GreenRed

White

FR-BIF

Servo amplifier

NFB

Power

supply

Power

supply

Servo amplifier

MR-J3-10A

MR-J3-20A

MR-J3-40A

MR-J3-60A

MR-J3-70A

MR-J3-100A

MR-J3-200A

MR-J3-350A

L11, L21

1.25

(AWG16)

P, C

(Note 2)

B1, B2

Circuit breaker

Electric wire size (mm

)

30A frame 5A

30A frame 10A

30A frame 15A

30A frame 20A

30A frame 30A

Magnetic

contactor

S-N10

S-N18

S-N20

U, V, W,

1.25

(AWG16)

2 (AWG14)

3.5 (AWG12)

5.5 (AWG10)

L1, L2, L3, P1, P2,

(Note 2)

2 (AWG14)

3.5 (AWG12)

5.5 (AWG10)

1.25

(AWG16)

(AWG14)

Notes: 1. Assuming use of a 600V polyvinyl chloride electric wire having a length of 30 m (98.43 ft) for the wires in the table. Use a wire with the above size or larger.

2. Connect a DC reactor or an optional regeneration unit using the 5m (16.4 ft) or shorter electric wire.

NFB

Line noise

filter

Servo amplifier