LXM32

2 Technical Data

2.3Braking resistor

LXM32 drives have an internal braking resistor and a connection for an external braking resistor. If the internal braking resistor is insuffi- cient for the dynamics of the application, one or more external braking resistors must be connected.

Single-phase drives

LXM32...

 

U45M2

U90M2

D18M2

D30M2

Resistance value of internal braking

Ω

94

47

20

10

resistor

 

 

 

 

 

Continuous power internal braking resis-

W

10

20

40

60

tor PPR

 

 

 

 

 

Peak energy ECR

Ws

82

166

330

550

 

 

 

 

 

 

External braking resistor minimum

Ω

68

36

20

10

 

 

 

 

 

 

External braking resistor maximum 1)

Ω

110

55

27

16

 

 

 

 

 

 

Maximum continuous power external

W

200

400

600

800

braking resistor

 

 

 

 

 

Capacitance of internal capacitor

μF

390

780

1170

1560

 

 

 

 

 

 

Parameter DCbus_compat = 0 (default value)

 

 

 

 

Switch-on voltage braking resistor

V

430

430

430

430

 

 

 

 

 

 

Energy absorption of internal capacitors

Ws

30

60

89

119

Evar at nominal voltage 115 V +10%

 

 

 

 

 

Energy absorption of internal capacitors

Ws

17

34

52

69

Evar at nominal voltage 200 V +10%

 

 

 

 

 

Energy absorption of internal capacitors

Ws

11

22

33

44

Evar at nominal voltage 230 V +10%

 

 

 

 

 

Parameter DCbus_compat = 1 (reduced switch-on voltage)

 

 

 

Switch-on voltage braking resistor

V

395

395

395

395

 

 

 

 

 

 

Energy absorption of internal capacitors

Ws

24

48

73

97

Evar at nominal voltage 115 V +10%

 

 

 

 

 

Energy absorption of internal capacitors

Ws

12

23

35

46

Evar at nominal voltage 200 V +10%

 

 

 

 

 

Energy absorption of internal capacitors

Ws

5

11

16

22

Evar at nominal voltage 230 V +10%

 

 

 

 

 

1)The maximum specified braking resistor can derate the peak power of the device. Depending on the application, it is possible to use a higher ohm resistor.

MNA01M001EN, V1.01, 08.2014

Common DC bus

17

Page 17
Image 17
Schneider Electric MNA01M001EN manual Braking resistor, LXM32 ∙ U45M2 U90M2 D18M2 D30M2

MNA01M001EN specifications

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