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6 Programming the control
6.10 Linear motors (1FN1 and 1FN3 motors)
!
6-136
b) Absolute encoder (EnDat)
An absolute measuring system (EnDat interface) is installed.
Fig. 6-30
Data entry for absolute measuring system, e.g. LC181
The following data must be entered:
– Select Absolute (EnDat interface) from the "Linear measuring system"
box.
– "Invert actual velocity value" (subsection 6.10.6)
–
Enter "Graduations" of measuring system
Confirm acceptance of data with OK ––> "Save bootfile" and select "NCK
reset".
5. Fixed temperature?
If the temperature monitor is evaluated not via the drive, but by an external
device (see subsection 6.10.5), the monitoring function must be switched off
by entering a fixed temperature > 0.
– MD 1608
e.g. 80_
– MD 1608
e.g. 0_
6. Reduce maximum motor current for safety reasons
– MD 1105 (maximum motor current) = e.g. enter 20%
Danger
Linear drives are capable of significantly higher acceleration rates and veloci-
ties than conventional drives.
The traversing range must be kept clear of obstacles at all times to protect
operating personnel and the machine itself.
SINUMERIK 840D/810D Start-Up Guide (IADC) – 03/2006 Edition
Monitoring off
Monitoring on
Siemens AG 2006 All Rights Reserved
03/2006
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