9 Fully-closed Loop Control
9.1.6 Precautions When Using an External Incremental Encoder by Magnescale
9-10
• Setting of Pn081.0
Do not change the factory setting if the zero point position of the existing equipment
must remain as is.
• When Pn081.0 = 1, the width of the phase-C pulse output is narrower than that of
the phase-A pulse in some cases.
• As shown in the following figure, there is a one-eighth scale pitch difference in posi-
tions between the two settings (Pn081.0 = 1 and Pn081.0 = 0) for the phase-C
pulse output.
1/8scale pitch
Pn081.0 =0
Zero point
Zero point
Moves to forward
1 scale pitch
Pn081.0 =1
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