Allen-Bradley 2-D Manual de usuario Pagina 22

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2-10 Installation and Wiring
Control Wiring Considerations
Wiring Diagram Key
General Control Wiring Advisories
The figure below lists the control wiring requirements for all two wire control input
modes (P46 - [Input Mode] settings 1 and 4 – 9). The requirements specific to each
input mode are shown separately for that mode.
Run input must be maintained. After a stop command, either a Run Forward or Run Reverse input
must be toggled to start the drive.
Internal 12V supply. Contact closure or open collector input required. Refer to Appendix A for solid
state control input specifications.
If both Run Forward and Run Reverse inputs are closed at the same time, an undetermined state
could occur.
Control signal cable length is highly dependent on electrical environment and installation practices.
To improve noise immunity, TB3 Common must be connected to ground terminal/protective earth.
For control wiring installations greater than 15 meters (50 feet) in length, an optional 24V DC
interface module is recommended. See Appendix A for ordering information.
N.O.
Momentary
Contact
N.O.
Maintained
Contact
N.C.
Maintained
Contact
N.C.
Momentary
Contact
Shielded
Wire
567
8
➊➋➌
➊➋➌
TB3
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