Siemens SINUMERIK 840D Simodrive 611 digital

6 Pro
g
rammin
g
the control
6
03/2006
6.10 Linear motors (1FN1 and 1FN3 motors)
6-139
© Siemens AG 2006 All Rights Reserved
SINUMERIK 840D/810D Start-Up Guide (IADC) – 03/2006 Edition
This measuring system is not supported by the SIMODRIVE 611D. Several zero
markers must be selected incrementally.
Note
With non-Siemens motors, the rotor position identification method cannot be
guaranteed to determine the commutation angle offset. Depending on the
design of the motor, the following methods may be used for both types of
measuring system:
S Method based on saturation
S Method based on motion
S With an absolute measuring system: determine the commutation angle
offset using instruments (see subsection 6.10.8).
When the start-up is complete, the commutation angle offset MUST be checked
using instruments.
8. Check and adjust the rotor position identification if a Hall sensor is not used
Note
If a Hall sensor is used it is only possible to verify the results with the aid of
instrumentation (see subsection 6.10.8).
To verify the rotor position identification, a test function can be used to deter-
mine the difference between the detected rotor position angle and the actual
angle used by the closed-loop control system. Proceed as follows:
– Run the test function several times and evaluate the difference
Start Set MD 1736 (test rotor position identification) = 1
Difference MD 1737 (difference in rotor position identification)
= _ _ _ _ , _ _ _ _ , _ _ _ _ , _ _ _ _ , _ _ _ _
– Is the spread of measured values less than 10 degrees electrical?
No: Increase MD 1019 (e.g. by 10 %) and repeat
measurements.
If the repetition is OK, then determine the commutation angle offset
once
more as follows:
– With an incremental measuring system:
a) Incremental – one zero marker
as for point 7. (Determine commutation angle offset)
b) Incremental – no or several zero markers
Press “Save boot file” and “NCK-Reset”
Distance-coded
measuring system