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Z phase ON
position
Mechanical end
Home position
Approx. 2 mm
The countermark on the motor
aligns with this position.
Set by the home offset parameter (SCON) or home preset parameter
(SSEL, X-SEL). (The above value indicates the factory setting.)
1 mm
14.6.2 Replacing the Motor of the Motor Reversing Type: RA4R Type
[Items Required for Replacement]
• Replacement motor unit • Allen wrenches
• Tension gauge (capable of tensioning to 7 kgf or greater)
• Strong string, looped (or long tie-band)
• Scale • Oil-based marker pen
• PC or teaching pendant
[Overview of Replacement]
1) Loosen the motor-unit affixing bolts to remove the belt, and replace the motor.
2) Restore the home position.
Affix the rod at a position 2 mm from the mechanical end on the home side, pass the belt, and adjust
the belt to the specified tension.
3) Perform homing using a PC or teaching pendant and check for deviation from the initial home position.
If there is a deviation, adjust the home offset
if you are using an SCON controller. If you are using an
SSEL or X-SEL controller, adjust the home preset
.
Replacement motor unit