MELSERVO-J4

Options/Peripheral Equipment

Dynamic Brake Use the following optional external dynamic brake with the 9 kW or larger servo amplifiers.

GF-RJ GF

B

B-RJ

A

A-RJ

Without the external dynamic brake, a servo motor does not stop immediately at emergency stop and falls in free-run status, causing an accident such as machine collision, etc. Take measures to ensure safety on the entire system when not using the dynamic brake.

Servo amplifier/ drive unit model

Servo amplifier/ drive unit model

Dynamic brake model

Fig.

Dynamic brake model

Fig.

DBU-7K-4-2R0 DBU-11K-4 (Note 2)

DBU-7K-R6 DBU-11K (Note 1)

MR-J4-DU900B4

MR-J4-DU900B MR-J4-11KGF/B/A MR-J4-DU11KB MR-J4-15KGF/B/A MR-J4-DU15KB MR-J4-22KGF/B/A MR-J4-DU22KB

MR-J4-11KGF4/B4/A4 MR-J4-DU11KB4 MR-J4-15KGF4/B4/A4 MR-J4-DU15KB4 MR-J4-22KGF4/B4/A4 MR-J4-DU22KB4 MR-J4-DU30KB4/A4 MR-J4-DU37KB4/A4 MR-J4-DU45KB4/A4 MR-J4-DU55KB4/A4

DBU-11K-4

DBU-11K

B

A

DBU-15K

DBU-22K-4

DBU-22K-R1

MR-J4-DU30KB/A MR-J4-DU37KB/A DBU-37K-R1

C

DBU-55K-4-R5

Notes: 1. Use this dynamic brake when HG-JR801 or HG-JR903 servo motor is used. 2. Use this dynamic brake when HG-JR8014 or HG-JR9034 servo motor is used. Dimensions

[Unit: mm]

5

B E E

Wire size [mm 2 ] (Note 1) U, V, W Other than U, V, and W

Model

A B C D E F G Mass [kg]

Terminal arrangement

3.5 (AWG 12) 5.5 (AWG 10)

A

A

DBU-7K-R6 200 190 140 20 5 170 163.5 2

a b 13 14 U V W

2 (AWG 14)

Screw size: M3.5 Mounting screw size: M4

Screw size: M4

DBU-11K

DBU-15K DBU-22K-R1 250 238 150 25 6 235 228 6

5 100 D

G

2.3

D

F

C

2-ø7 mounting hole

228 26 26

260 10 10

TE1

a b 13 14

TE2 Screw size: M3.5

280

Wire size [mm 2 ] (Note 1) U, V, W Other than U, V, and W

U

V W

Mass [kg]

TE1 TE2

Screw size: M4 Mounting screw size: M6

Model

43

B

3.5 (AWG 12)

DBU-7K-4-2R0

51 25

7

73.75

15 2.3

6.7

2 (AWG 14)

200 150

195

25

DBU-11K-4 DBU-22K-4

5.5 (AWG 10)

210

170 TE1 TE2

15

15

178.5

179.5

2-ø10 mounting hole

10 10 370

U V W Screw size: M5 TE 1

30 330 30

TE 2

a b 13 14

Screw size: M3.5 Mounting screw size : M8

390

Wire size [mm 2 ] (Note 1) U, V, W Other than U, V, and W

Mass [kg]

Model

TE2 TE1

C

10

2.3 15

DBU-37K-R1

8

14 (AWG 6)

2 (AWG 14)

220

15

230 230 260

15

DBU-55K-4-R5 11

235

15

15

Notes: 1. The wire size is applicable when 600 V grade heat-resistant polyvinyl chloride insulated wire (HIV wires) is used.

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