Manual

Formatting and Interpreting Data Blocks
Chapter 7
736
CAUTION: If programmed values for software travel limits are
zero, there are no software travel limits. To guard against
damage to equipment, use caution when operating an axis
without software travel limits.
Figure 7.25
Software T ravel Limit W ords
17161514131211100706050403020100
-Software Travel Limit
Word 22 (Axis 1)
Word 41 (Axis 2)
Word 60 (Axis 3)
Negative software travel limit. An axis
position value in inches or meters, BCD
format.
11047
17161514131211100706050403020100
+ Software Travel Limit
Word 21 (Axis 1)
Word 40 (Axis 2)
Word 59 (Axis 3)
inchmetric
Positive software travel limit. An axis
position value in inches or meters, BCD
format.
CAUTION: If programmed values are zero, there are
no software travel limits. To guard against damage to equipment,
exercise caution when operating an axis without software travel
limits.
decimal
point
decimal
point
inchmetric
decimal
point
decimal
point
Backlash Takeup
Backlash takeup helps minimize axis positioning inaccuracy caused by
mechanical play in the axis positioning system. Word 23 (42, 61) is the
backlash takeup word (Figure 7.26).