700 HEIDENHAIN Technical Manual iTNC 530 HSCI
The block diagram shows how ACC works:
1: Active Chatter Control (ACC)
2: Position controller
3: Speed controller
4: Current controller – power module
5: Motor
6: Machine
7: Linear encoder
MP2700.x Activation of expanded functions (SW options)
Format: %00000000000000000
Input: Bit 0: CTC compensation
0: Not active
1: Active
Bit 1: PAC compensation
0: Not active
1: Active
Bit 2: LAC compensation
0: Not active
1: Active
Bit 3: MAC compensation
0: Not active
1: Active
Bit 4: ACC compensation
0: Not active
1: Active
MP2710.x ACC: Principle of function of automatic mode
Input: 0 to 2
0: Robust standard mode with an average application of a
damping signal (recommended setting)
1: Chatter damping is increasedfor the selected axis; this can
sometimes be advisable for one axis or two axes (e.g. vertical
axes) and results in slightly reduced control accuracy
(following error increases slightly)
2: Chatter damping is significantly increased for the selected
axis; this is usually advisable for no more than one axis and
results in slightly reduced control accuracy (following error
increases)
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