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Motion Control Theory
Figure 4-22: Home mode 0 (Case: ORG)
When axis parameter PRA_HOME_EZA is set to 1 it means to
align with EZ, move forward to homing direction, until the first EZ
is detected and place control axis at the edge of EZ, then the
home movement is completed.
The motions are described below:
• Relevant axis parameters setup
Axis parameters
Axis
parameter
values
Description to axis parameter value
PRA_HOME_MODE
0
Home mode 0
PRA_HOME_DIR
0
Homing by moving forward in positive direction
PRA_HOME_EZA
1
Further align with signal EZ, 0: No, 1: Yes
PRA_HOME_S
0
S-curve factor
PRA_HOME_ACC
ACC
Acceleration and deceleration in unit of (distance unit
of measure/sec.
2
)
PRA_HOME_VS
VS
Initial speed in unit of (distance unit of measure/sec.)
Condition B
Condition A
Condition C Initial position
Home position
Home
Position
Initial position
VM:
Home searching speed
VO:
Home approaching speed
Summary of Contents for PCI-8254
Page 2: ...ii Revision History Revision Date Description 2 00 2014 08 13 First release ...
Page 8: ...viii Table of Contents Important Safety Instructions 209 Getting Service 211 ...
Page 12: ...xii List of Figures ...
Page 14: ...xiv List of Tables ...
Page 24: ...10 Introduction ...
Page 54: ...40 Getting Start with The Installation ...
Page 78: ...64 Signal Connection ...
Page 111: ...Motion Control Theory 97 PCI 8254 PCI 8258 MCP2 Bode plot page ...
Page 222: ...208 Motion Control Theory ...