Compensation (K3)
11.3 Interpolatory compensation
Turning, Milling, Nibbling
220 Function Manual, 11/2012, 6FC5397-1CP10-5BA0
Table parameters
The position-related corrections for the relevant compensation relationship are stored as
system variables in the compensation table.
The following parameters must be set for the table:
● Compensation value for interpolation point N of compensation table [t]
$AN_CEC [t, N]; t = 0, 1, N = 0 to 349
The compensation value of the compensation axis must be entered in the table for each
individual interpolation point (position of the base axis).
● Basic axis $AN_CEC_INPUT_AXIS[t]
Name of machine axis whose setpoint is to be used as the input for the compensation
table [t].
● Compensation axis $AN_CEC_OUTPUT_AXIS[t]
Name of machine axis to which the output of the compensation table [t] is to be applied.
● Distance between interpolation points $AN_CEC_STEP[t]
The distance between interpolation points defines the distance between the input values
for the compensation table [t].
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● Starting position $AN_CEC_MIN[t]
The initial position is the base axis position at which the compensation table [t] begins (≙
interpolation point 0).
The compensation value for the initial position is $AN_CEC [t,0 ].
The compensation value of interpolation point 0 is used for all positions smaller than the
initial position (exception: table with modulo functions).
● End position $AN_CEC_MAX[t]
The end position is the base axis position at which the compensation table [t] ends (≙
interpolation point k).
The compensation value for the end position is $AN_CEC [t,k].
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, where 0 ≤ k < 350:
N
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