ABB ACS380 Series User Manual

Parameters 153
20.27 Jog 2 start If enabled by parameter 20.25 Jog enable, selects the
source for the activation of jogging function 2. (Jogging
function 2 can also be activated through fieldbus
regardless of parameter 20.25.)
1 = Jogging 2 active.
For the selections, see parameter 20.26 Jog 1 start.
Notes:
• Jogging is supported in vector control mode only.
• If both jogging 1 and 2 are activated, the one that was
activated first has priority.
• This parameter cannot be changed while the drive is
running.
For the selections, see parameter 20.26 Jog 1 start.
Not selected
21
21 Start/stop mode
Start and stop modes; emergency stop mode and signal
source selection; DC magnetization settings.
21.01 Vector start mode Selects the motor start function for the vector motor
control mode, ie. when 99.04 Motor control mode is set to
Vector.
Notes:
• The start function for the scalar motor control mode is
selected by parameter 21.19 Scalar start mode.
• Starting into a rotating motor is not possible when DC
magnetizing is selected (Fast or Const time).
• With permanent magnet motors, Automatic start mode
must be used.
• This parameter cannot be changed while the drive is
running.
See also section DC magnetization on page 72.
Const time
Fast The drive pre-magnetizes the motor before start. The pre-
magnetizing time is determined automatically, typically
200 ms to 2 s depending on motor size. Select this mode
if a high break-away torque is required.
0
Const time The drive pre-magnetizes the motor before start. The pre-
magnetizing time is defined by parameter 21.02
Magnetization time. This mode should be selected if
constant pre-magnetizing time is required (e.g. if the
motor start must be synchronized with the release of a
mechanical brake). This setting also guarantees the
highest possible break-away torque when the pre-
magnetizing time is set long enough.
WARNING! The drive will start after the set
magnetizing time has passed even if motor
magnetization is not completed. In applications
where a full break-away torque is essential, ensure that
the constant magnetizing time is long enough to allow
generation of full magnetization and torque.
1
No. Name/Value Description Default
FbEq 16

ABB ACS380 Series Specifications

General

Brand	ABB
Model	ACS380 Series
Category	DC Drives
Language	English