EDH0162En1040 – 06/99 2.30
MM4005 Local Mode
2.3.1 HOME 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.
NOTE
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 function 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.
NOTE
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 Manual 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 MM4005 controller implements this function on the numeric keypad.
The Manual Jog mode can be enabled either from the top level
menu or using the Move menu. In both cases, the calling
function key is labeled and functionality is identical.
In the Manual Jog mode, the display looks similar to Fig. 2.8.
Fig. 2.8 — Using the JOG menu.
2.34 mm
.345 Dg.
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