Allen-Bradley 2-D Manual de usuario descargar pdf (Pagina 27)

Installation and Wiring 2-15

P46 Setting 6 - Two-Wire TB3 Control/Keypad or Communication Control

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

of switching the start, reverse and speed reference from the Program Keypad

Module or Communication Module to the control terminal block (TB3).

Two-Wire TB3 control/Keypad or Communication control Figure 2.10

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 Frequency source is always from the terminal block

regardless of the setting of P59 - [Frequency Select].

P46 Setting 7 - Two-Wire P59 - [Frequency Select] Control

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

of switching the frequency reference from the control terminal block (TB3) to the

frequency commanded by

P58 - [Internal Frequency]

. For Analog Signal Follower

models this provides the ability to switch from analog control to one preset speed.

For Preset Speed models this provides a ninth preset speed.

Two-Wire Frequency Select control Figure 2.11

➊

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

TB3/Keypad or

Communication

➊

567

Common

Run Reverse

Run Forward

TB3

TB3-8 Open

TB3 Control

➋

TB3-8 Closed

Keypad or

Communication Control

Frequency Select

➊

567

Common

Run Reverse

Run Forward

TB3

TB3-8 Open

External (TB3)

Frequency Command

TB3-8 Closed

Internal (P58)

Frequency Command

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 91 92

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Allen-Bradley 2-D Manual de usuario Pagina 27

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