Sigma II User’s Manual Chapter 7: Using the Digital Operator
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7.2.8 Origin Search Model
The Origin Search Mode is designed to position the origin pulse position of the
encoder and to clamp at the position. This mode is used when the motor shaft needs
to be aligned to the machine. Execute the origin search without connecting the
couplings.
The speed for executing the origin search is 60rpm.
The following conditions must be met to perform the origin search operation.
• If the Servo-ON input signal (/S-ON) is ON, turn it OFF.
• Release the Servo-ON signal mask if the parameter Pn50A.1 is set to 7, and the
servo has been set to be always ON.
Follow the procedure on the next page to execute the origin search.
• Forward run prohibited (/P-OT) and reverse run prohibited (/N-OT) signals are not effective during jog oper-
ations using parameter Fn003.
Mechanical ori
in
For aligning the motor
shaft with the machine
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