Position Controller Cycle Time - HEIDENHAIN iTNC 530 HSCI Technical Manual

6.8.3 Position controller
Position controller
cycle time
832
You can choose between two types of feedback control:
Feedback control with following error (servo lag)

Feedback control with velocity feedforward

Select the type of control in the Positioning with manual data input,

Program run, single block and Program run, full sequence operating
modes with MP1392.
Select the type of control in the Manual and Handwheel modes of operation

with MP1391.
Note
The machine must always be adjusted for both types of control.
MP1392 Velocity feedforward in the operating modes Program Run
Single Block, Program Run Full Sequence and Positioning
with Manual Data Input
Format: %xxxxxxxxxxxxxxxxxx
Input: Bits 0 to 17 represent axes 1 to 18:
0: Operation with following error (lag)
1: Operation with velocity feedforward control
Note
M90 (following error mode: Constant contouring speed at corners) is
effective only if operation with following error is selected for all axes
(MP1392 = %000000000000000000).
MP1391.0 Velocity feedforward control in the MANUAL and
HANDWHEEL operating modes
Format: %xxxxxxxxxxxxxxxxxx
Input: Bits 0 to 17 represent axes 1 to 18:
0: Inactive
1: Active
MP1391.1 Acceleration feedforward control in the MANUAL and
HANDWHEEL operating modes
Format: %xxxxxxxxxxxxxxxxxx
Input: Bits 0 to 17 represent axes 1 to 18:
0: Inactive
1: Active
HEIDENHAIN Technical Manual iTNC 530 HSCI