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MM4006
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2.3.1 H O M E Search
The HOME Search routine is a sequence of high and low speed motion seg-
ments through which the controller determines the exact location of a
home (origin) switch and an encoder index pulse. A detailed description of
the algorithm can be found in the Motion Control Tutorial section.
It is strongly recommended that the user perform a home search routine
after each controller power-on or reset. The controller must know the
exact initial position of the motion device not only to accurately repeat a
motion sequence (program) but also to prevent it from hitting the travel
limits (limit switches). A limit switch detection is interpreted as a major
fault and the motor power is turned off immediately.
To perform a home search routine, press the HOME f u n c t i o n key from the
top level power-on menu. The display will prompt you to select which axis
should execute the home search. Use the keypad to indicate an axis num-
ber. If you enter or accept the default number 0, the controller will execute
the home search routine sequentially on all installed axes, in the order
specified in the General Setup.
OR — Search for home.
The position value assumed at the home position is defined in the axis
setup using the HOME Preset value or through the SH command.
2.3.2 M a n u a l Jog
Manual Jog is a commonly used Local Mode front panel function. The
selected axis will move at a pre-defined velocity. This type of motion is
known as a JOG.
The MM4006 controller implements this function on the numeric keypad.
The M a n u a l Jog m o d e c a n b e enabled e i t h e r f r o m t h e t o p l e v e l
MOT OR ON
function key is labeled
In the Manual Jog mode, the display looks similar to Fig. 2.8.
.
3
3
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a
NOTE
NOTE
menu or using the Move menu. In both cases, the calling
A t
and functionality is identical.
1:
-3 3 5 6
2:
1 2 . 3 4 5
3 :
2 3 4 5 6 m m
4:
c o n n e c t e d
Use k e y p a d f o r M A N U A L J o g
ZERO S T A T U S D 1 S P L .
Fig. 2.8 — Using the JOG menu.
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EDI10181En1020 — 03/03
Mode
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