Siemens SINUMERIK 840D sl Function Manual page 369

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● Initial position ($AA_ENC_COMP_MIN[e,AXi])

● End position ($AA_ENC_COMP_MAX[e,AXi])

where 0 ≤ k < MD38000

The following supplementary conditions apply to interpolation point k:

1. when k = MD38000 - 1

2. when k < MD38000 - 1

3. when k > MD38000 - 1

Extended Functions

Function Manual, 03/2009, 6FC5397-1BP10-4BA0

The initial position is the axis position at which the compensation table for the relevant

axis begins (≙ interpolation point 0).

The compensation value for the initial position is $AA_ENC_COMP[e,0,AXi)].

For all positions smaller than the initial position the compensation value of interpolation

point zero is used (does not apply for table with modulo).

The end position is the axis position at which the compensation table for the relevant axis

ends (≙ interpolation point k).

The compensation value for the end position is $AA_ENC_COMP[e,k,AXi)].

The compensation value of interpolation point k is used for all positions larger than the

end position (exception: table with modulo functions).

The number of required interpolation points is calculated as follows:

→ the compensation table is fully utilized!

→ the compensation table is not fully utilized; compensation values entered in the table

greater than k have no effect.

→ the compensation table is limited internally by reducing the end position; compensation

values greater than k are not used.

Compensations (K3)

Interpolatory compensation

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Sinumerik 840de sl