Allen-Bradley 2-D Manual do Utilizador descarregar pdf (Página 26)

2-14 Installation and Wiring

Important:

Settings 4 through 9 provide additional ﬂexibility of TB3 control

input terminal 8.

P46 Setting 4 - Two-Wire Accel/Decel Control

This input mode is similar to Setting 1 except TB3 terminal 8 provides the function

of switching from Accel 1 and Decel 1 to Accel 2 and Decel 2 for any commanded

frequency reference.

Two-Wire Accel/Decel control Figure 2.8

➊

TB3 terminal 8 can be used to clear faults. See Figure 2.14 for details.

P46 Setting 5 - Two-Wire Enable Control

This input mode is similar to Setting 1 except TB3 terminal 8 provides the function

of “enable” command. The “enable” input is required for the drive to operate and

if opened during operation the programmed

P34 - [Stop Mode]

will be overridden

and the motor will coast to rest.

Two-Wire Enable control Figure 2.9

➊

TB3 terminal 8 can be used to clear faults. See Figure 2.14 for details.

➋

When this input is in an open state, the motor will coast to rest.

567

Run Reverse

Run Forward

Common

Accel/Decel Select

➊

TB3

TB3-8 Open

Accel 2, Decel 2

TB3-8 Closed

Accel 1, Decel 1

Enable

➊

567

Common

Run Reverse

Run Forward

TB3

TB3-8 Open

Controller Disabled

➋

TB3-8 Closed

Controller Enabled

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