Festo Контроллеры двигателя SFC-LAC User Manual
Page 35
1. System overview
1−13
Festo GDCP−SFC−LACI−CO−EN en 0812NH
Calculation rules
Point
Calculation rule
Axis zero point
AZ
= REF
+ a
Project zero point
PZ
= AZ
+ d
= REF
+ a + d
Lower software end position
LSE
= AZ
+ b
= REF
+ a + b
Upper software end position
USE
= AZ
+ c
= REF
+ a + c
Target/actual position
TP,
AP
= PZ
+ g
= AZ
+ d + g
= REF
+ a + d + g
Prefix
All points and offsets have a sign prefix:
Value
Direction
+
Positive values face from the basis point in the direction
of the extended end position.
Ċ
Negative values face from the basis point in the direcĆ
tion of the retracted end position.
Units of measurement
Different units of measurement can be set in the FCT,
e.g. metric (mm, mm/s, mm/s
2
) or imperial (inch, inch/s,
inch/s
2
).
The CI interface, on the other hand, works with increments.
For converting increments: see appendix A.3.