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6 Vector Control
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
6-8 Orientation Function
6
6-8-1 Orientation Function Parameter Settings
• Do not set the Orientation Speed Setting to a high frequency value because the inverter
decelerates and completes positioning within 2 rotations. Decelerating to stop in
approximately 1 to 2 rotations causes a rapid movement, having a large impact on the
equipment. In addition, it is more likely to cause an inverter trip error.
• The Orientation Stop Position is defined as 4,096 (0 to 4,095) divisions of one forward rotation
from the reference point. The number of divisions is fixed to 4,096, regardless of the number of
encoder pulses.
The reference point is a point where the pulse signal is input between the terminals EZP and
EZN of the PG Board. The location of the target stop position is as shown below (in the case of
positive-phase connection).
Motor shaft viewed from motor shaft load side
Position of Z pulse
Reference point
0
1024
3072
2048
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