ABB ACS880 - Default Parameter Settings for the Torque Control Macro; Torque Control Macro

Torque control macro
This macro is used in applications in which torque control of the motor is required.
These are typically tension applications, where a particular tension needs to be
maintained in the mechanical system.
Torque reference is given through analog input AI2, typically as a current signal in
the range of 0…20 mA (corresponding to 0…100% of rated motor torque).
The start/stop signal is connected to digital input DI1. The direction is determined
by DI2. Through digital input DI3, it is possible to select speed control (EXT1)
instead of torque control (EXT2). As with the PID control macro, speed control can
be used for commissioning the system and checking the motor direction.
It is also possible to change the control to local (control panel or PC tool) by
pressing the Loc/Rem key. By default, the local reference is speed; if a torque
reference is required, the value of parameter 19.16 Local control mode should be
changed to Torque.
A constant speed (by default, 300 rpm) can be activated through DI4. DI5 switches
between acceleration/deceleration time sets 1 and 2. The acceleration and
deceleration times, as well as ramp shapes, are defined by parameters 23.12…23.19.
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Default parameter settings for the Torque control macro
Below is a listing of default parameter values that differ from those listed for the
Factory macro in Parameter listing (page 174).
Torque control macro defaultParameter
DI319.11 Ext1/Ext2 selection
Torque19.14 Ext2 control mode
Level20.2 Ext1 start trigger type
In1 Start; In2 Dir20.6 Ext2 commands
Level20.7 Ext2 start trigger type
DI120.8 Ext2 in1 source
DI220.9 Ext2 in2 source
DI620.12 Run enable 1 source
DI422.22 Constant speed sel1
DI523.11 Ramp set selection
AI2 scaled26.11 Torque ref1 source
Not selected31.11 Fault reset selection
160 Application macros