Rockwell-automation 150 USE MN/SMC DIALOG + CONTROLLER Manual do Utilizador descarregar pdf (Página 24)

1-14

Product Overview

Figure 1.14 Preset Slow Speed Option

Control Options (cont.)

SMB



Smart Motor Braking Option

This option can be used in applications that require reduced stopping

times. The SMC Dialog Plus controller incorporates a

microprocessor-based system that applies braking current to a

standard squirrel cage induction motor without any additional

equipment. This option offers a user-adjustable braking current

setting from 0% to 400% of the motor’s full load current rating.

Further, it provides automatic shut-off at zero speed detection.

Figure 1.15 SMB Smart Motor Braking Option

Forward

15% – High

7% – Low

10% – Low

20% – High

Reverse

Run Start Time (seconds)

ATTENTION: Slow speed running is not intended for

continuous operation due to reduced motor cooling.

Start

Motor

Speed

100%

Run

Automatic Zero Speed

Shut-off

Brake

Smart Motor Braking

Coast-to-rest

Time (seconds)

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 188 189

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Rockwell-automation 150 USE MN/SMC DIALOG + CONTROLLER Manual do Utilizador Página 24