6.2.3.5.6 Example
Example of the single measurement of the system offset at an encoder system with
absolute position information.
The motor must be able to rotate freely, the control mode "2: encoder, with model“ must be se-
lected in control mode in cs00.
If the encoder shall be mechanically adjusted to a preset system position, the adjustment can
now be executed while st12 state machine display is still set at value 11 "start operation active“
and dr55 ident state is set to 14 "ready“.
A DC current from U to V is impressed in this step.
The electrical position of the encoder must be parameterized in ec23 to this alignment position
for normal operation.
The electrical position of the encoder is displayed in ec22 rho encoder value.
If, by rotating the encoder, the value of ec22 is set to zero (e.g.), then ec23 system offset (SM)
must also be set to zero.
The value of ec23 can only be preset if dr55 ident state is = 0 "off“ (after switching off the mod-
ulation).
The correct value of ec23 should be checked by a restart of the system position calibration.
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