Fuji Electric ALPHA5 Smart, User Manual

Page: 81 / 636

CHAPTER 2 WIRING
Description of I/O Signals
2-33
2
Position preset: Sequence input signal (Reference value 16)
The command position and feedback position are preset (overwritten).

Function
The command position and the feedback position are made the reference value of PA2_19
(preset position) at the rising edge. However, the deviation is subtracted from the feedback
position.
The rising edge is the change point at which the sequence input signal having been switched off
to on.
As zero speed signal [NZERO] can be performed during ON, it is recommended to conduct
position preset while the servomotor is stopped. After position preset, homing is finished.
The following alarm detection can be reset.

Absolute data lost (dL1, dL2, dL3), multi-turn data over flow
The Position preset completion is turned off when position preset is turned off.
 Parameter setting
To assign position preset to a sequence input terminal, specify the corresponding value ("16") to
the input terminal function setting parameter.
OFF ON
Position preset
ON OFF
Position preset
completion