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MDS-D2/DH2 Series Instruction Manual
4.2 Setting the Initial Parameters for the Servo Drive Unit
For MPI scale, set the following parameters depends on the number of poles.
#2217(PR) SV017 SPEC1 Servo specification 1
bit 8 : mp MPI scale pole number setting
0: 360 poles 1: 720 poles
(3) Setting of the installation polarity of the machine side encoder
Since the installation polarity may not be judged from the encoder appearance, confirm the installation polarity of
the machine side encoder with moving the axis by hand after the installation.
If "Motor end FB" or "Machine end FB" on the NC drive monitor screen changes to the opposite polarity when the
axis is moved, set "SV017/bit4" to "Reverse polarity".
#2217(PR) SV017 SPEC1 Servo specification 1
bit 4 : sdir Sub side encoder feedback
0: Forward polarity 1: Reverse polarity