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4 Setup
MITSUBISHI CNC
bit 0 : mdir Machine side encoder feedback (for Linear/direct-drive motor)
Set the encoder installation polarity in the linear servo and direct-drive motor control.
0: Forward polarity 1: Reverse polarity
【#2218(PR)】 SV018 PIT Ball screw pitch/Magnetic pole pitch
For servo motor:
Set the ball screw pitch. For the rotary axis, set to "360".
For direct-drive motor
Set to "360".
For linear motor
Set the ball screw pitch. (For LM-F series, set to "48")
---Setting range---
For general motor: 1 to 32767 (mm/rev)
- For linear motor 1 to 32767 (mm)
【#2219(PR)】 SV019 RNG1 Sub side encoder resolution
For semi-closed loop control
Set the same value as SV020.
For full-closed loop control
Set the number of pulses per ball screw pitch.
For direct-drive motor
Set the same value as SV020.
For 1000 pulse unit resolution encoder, set the number of pulses in SV019 in increments of 1000
pulse (kp).
In this case, make sure to set "0" to SV117.
For high-accuracy binary resolution encoder, set the number of pulses to four bite data of SV117
(high-order) and SV019 (low-order) in pulse (p) unit.
SV117 = number of pulses / 65536 (when =0, set "-1" to SV117)
SV019 = the remainder of number of "pulses / 65536"
When the NC is C70 and "SV019 > 32767", set "the reminder of above - 65536 (negative number)"
to "SV019".
---Setting range---
When SV117 = 0, the setting range is from 0 to 32767 (kp)
When SV117 ≠ 0
M700V, M70V, M70, E70: 0 to 65535 (p)
C70: -32768 to 32767 (p)