Parameters and firmware blocks
79
Group
These parameters select the start and stop functions as well as the autophasing
mode, define the DC magnetising time of the motor, and configure the DC hold
function.
11
11 START/STOP MODE
Firmware block:
START/STOP MODE
(11)
11.01
START MODE
(see above)
Selects the motor start function.
Notes:
• Selections
are ignored if parameter
set to
• Starting to a rotating machine is not possible when DC magnetising is selected (
).
• With permanent magnet motors, automatic start must be used.
• This parameter cannot be changed while the drive is running.
(0)
FAST
DC magnetising should be selected if a high break-away torque is
required. The drive pre-magnetises the motor before the start. The
pre-magnetising time is determined automatically, being typically 200
ms to 2 s depending on the motor size.
(1)
CONST TIME
Constant DC magnetising should be selected instead of DC
magnetising if constant pre-magnetising time is required (e.g. if the
motor start must be simultaneous with a mechanical brake release).
This selection also guarantees the highest possible break-away
torque when the pre-magnetising time is set long enough. The pre-
magnetising time is defined by parameter
WARNING!
The drive will start after the set magnetising time
has passed even if motor magnetisation is not completed. In
applications where a full break-away torque is essential,
ensure that the constant magnetising time is long enough to allow
generation of full magnetisation and torque.
(2)
AUTOMATIC
Automatic start guarantees optimal motor start in most cases. It
includes the flying start function (starting to a rotating machine) and
the automatic restart function (stopped motor can be restarted
immediately without waiting the motor flux to die away). The drive
motor control program identifies the flux as well as the mechanical
state of the motor and starts the motor instantly under all conditions.
Note:
If parameter
is set to
no flying start or automatic restart is possible by default.
START/STOP MODE
22
TLF10 2 msec
(4)
11.01 START MODE
[ Const time ]
11.02 DC MAGN TIME
[ 500 ms ]
11.03 STOP MODE
[ Ramp ]
11.04 DC HOLD SPEED
[ 5.0 rpm ]
11.05 DC HOLD CUR REF
[ 30 % ]
11.06 DC HOLD
[ Disabled ]
11.07 AUTOPHASING MODE
[ Turning ]
Summary of Contents for ACSM1 Series
Page 1: ...ACSM1 Firmware Manual ACSM1 Speed and Torque Control Program...
Page 2: ......
Page 4: ......
Page 12: ...Table of contents 12...
Page 49: ...Drive control and features 49...
Page 282: ...Standard function blocks 282...
Page 306: ...Application program template 306...
Page 312: ...Control chain block diagrams 312...
Page 331: ...331...
Page 332: ...332...
Page 333: ......
