Delta Electronics AC Drive VFD-F Series Especificaciones descargar pdf (Pagina 19)

VFD-F Series

3-8

Terminals [+2/B1, B2] for connecting brake resistor and terminals [+2/B1, -] for

connecting external brake unit

Brake unit(optional)

Refer to Appendix B for the use of

special brake resistor/unit

+2/B1

VFD B

Brake resistor(optional

)



Connect a brake resistor or brake unit in applications with frequent deceleration ramps,

short deceleration time, too low brake torque or requiring increased brake torque.



If the AC motor drive has a built-in brake chopper, connect the external brake resistor to

the terminals [

＋

2/B1, B2].



Some models of VFD-F series don’t have a built-in brake chopper, please connect an

external optional brake unit and brake resistor.

 When not used, please leave the terminals [+2(+2/B1), -] open.

WARNING!

Short-circuiting [B2] or [-] to [+2/B1] can damage the AC motor drive.

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Delta Electronics AC Drive VFD-F Series Especificaciones Pagina 19