Rockwell Automation Allen-Bradley 160 SSC Series, Руководство пользователя

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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, Remote Keypad Module, CopyCat 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 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 via
P58 - [Internal
Frequency] .
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
56
7
8
Common
Run Reverse
Run Forward
TB3
TB3-8 Open
TB3 Control
➋
TB3-8 Closed
Keypad or
Communication Control
Frequency Select
➊
56
7
8
Common
Run Reverse
Run Forward
TB3
TB3-8 Open
External (TB3)
Frequency Command
TB3-8 Closed
Internal (P58)
Frequency Command