·784·
Installation manual
CNC 8060
CNC 8065
10.
CNC VARIABLES.
(REF: 1402)
Variables related to the position of the axes.
FOLLOWING ERROR OF THE AXIS.
(V.)[ch].A.FLWE.xn
Variable that can only be read from the program, PLC and interface.
Variable valid for rotary and linear axes.
The variable returns the execution value; reading it interrupts block preparation.
Channel [ch]. Following error, lag (difference between the theoretical position value and the
actual, real, position value of the axis).
If there is no feedback combination, the CNC reads the actual (real) position from either the
internal or the external feedback (parameter FBACKSRC). If feedback combination is active
(parameter FBMIXTIME), the CNC calculates the following error (lag) using the combined
feedback.
Syntax.
·ch· Channel number.
·xn· Name, logic number or index of the axis.
(V.)[ch].A.FLWACT.xn
Variable that can only be read from the program, PLC and interface.
Variable valid for rotary and linear axes.
The variable returns the execution value; reading it interrupts block preparation.
Channel [ch]. Following error (lag) with respect to the external feedback (direct feedback).
When the combined feedback is active (parameter FBMIXTIME), the variable returns the
following error (axis lag) with respect to the external feedback (direct feedback). If there is
no feedback combination, the variable returns the following error (lag) with respect to the
active feedback (parameter FBACKSRC), same as the variable "(V.)[ch].A.FLWE.xn".
Syntax.
·ch· Channel number.
·xn· Name, logic number or index of the axis.
(V.)[ch].A.FLWEST.xn
Variable that can only be read from the program, PLC and interface.
Variable valid for rotary and linear axes.
The variable returns the execution value; reading it interrupts block preparation.
Channel [ch]. Linear estimate of the following error (lag).
Syntax.
·ch· Channel number.
V.A.FLWE.Z Z axis.
V.A.FLWE.3 Axis with logic number ·3·.
V.[2].A.FLWE.3 Axis with index ·3· in the channel ·2·.
Active feedback. V.A . FLW E. x n V.A.FLWACT.xn
Internal Following error (lag) with respect to the internal feedback (motor
feedback).
External Following error (lag) with respect to the external feedback (direct
feedback).
Feedback combination. Following error (lag) with respect to
the combined feedback.
Following error (lag) with respect to
the external feedback.
V.A.FLWACT.Z Z axis.
V.A.FLWACT.3 Axis with logic number ·3·.
V.[2].A.FLWACT.3 Axis with index ·3· in the channel ·2·.
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