Adtech iMASTER - A1 Series, Руководство пользователя

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A1-User’s Manual
１１２

21.05 DC current control (DC Brake)

0: Disable ----- Initial value

1: Enable
It can select to use the DC Injection braking function
By adding the forced to the rotor, slowing the motor to stop

Related Parameters: '21.05' ~ '21.09'
ON
Run command
Free run
21.06 (DC hold frequency)
21.09 (DC current reference)
21.08 (DC hold delay time)
21.07 (DC hold time)
DC current
AC
current
Frequency

21.06 DC hold frequency

Range: 0.00 ~ 10.00 Hz in 0.01 Hz

Initial value: 0.50 Hz
Program the VFD frequency out when DC injection braking function kicks in.
If set
'21.06' (DC hold frequency)
to 0.5Hz, when VFD frequency out reaches to 0.5 Hz, DC
braking function is activated.

21.07 DC hold time

Range: 0.0 ~ 3000 Sec in 0.1 Sec

Initial value: 0.0 Sec
Program the DC Injection Braking duration

21.08 DC hold delay time

Range: 0.0 ~ 50.0 Sec in 0.1 Sec

Initial value: 0.0 Sec
Program the delay time when the DC braking function actually starts form when VFD out is
the frequency value in
'21.06' (DC hold frequency)

21.09 DC current reference

Range: 0.0 ~ 100.0 % in 0.1 %

Initial value: 10.0 %
Program the level of DC injection braking forced of rated electric power of A1