Pos Control - ABB ACSM1 Manual

71
Firmware block:

POS CONTROL

(71)
This block
• selects the sources for the actual
and reference position inputs of the
position controller
• defines the position control loop
gain and the speed feed forward
gain
• defines a delay for the position
reference
• configures position error
supervision
• shows the speed reference,
position error and position speed
reference multiplied by the speed
feed forward gain
• defines the gear ratio between load
and motor
• defines the following error window.
Block outputs located in other
parameter groups
71.01 POS ACT IN
Selects the source for the actual position input of the position controller. The default value is P.1.12, ie,
parameter 1.12 POS
Value pointer: Group and index.
71.02 POS CTRL REF IN
Selects the source for the position reference input of the position controller. The default value is
P.4.17, ie, parameter
block (see page 250).
Note: This parameter has been locked, ie, no user setting is possible.
Value pointer: Group and index.
71.03 POS CTRL GAIN
Defines the gain for the position control loop. A value of 1 produces a 1 rev/s speed reference when
the position difference between the reference and actual position is 1 revolution.
0...10000 1/s
4.01 SPEED REF POS
4.19 POS ERROR
4.20 SPEED FEED FWD
FW block: POS CONTROL
ACT, which is an output of the
FW block: POS CONTROL
4.17 POS REF LIMITED, which is the output of the
FW block: POS CONTROL
Gain for position control loop.
POS CONTROL
(page 103)
(page 104)
(page 104)
(see above)
POS FEEDBACK firmware block (see page 219).
(see above)
POS REF LIM
(see above)
Parameters and firmware blocks
253
firmware