CHAPTER 4 PARAMETER
Automatic Operation Setting Parameter 4-65
4
If PA2_08 = “2” and neither of the above conditions is satisfied, the starting direction for homing
follows the setting of PA2_10 (homing direction after reference signal detection). If PA2_08 is set
at “2,” PA2_09 (reverse traveling unit amount for homing) is internally handled as zero forcibly.
Operation proceeds in the following order.
(1) Condition judgment start is made upon the rising edge (OFF-to-ON transition) of homing
[ORG] in the reverse rotation direction at the zero return speed (PA2_06).
(2) Upon deactivation of home position LS (PA2_12, PA2_13), movement is temporarily stopped,
then continues in the homing direction after reference signal detection (PA2_10) at the creep
speed for homing (PA2_07).
(3) The travel continues by the home position shift unit amount (PA2_14) after the first encoder
Z-phase (PA2_11) is detected since the home position LS (PA_12) is detected, followed by
stoppage. The stopping point changes to the home position and homing completion is turned
on, finishing the homing process.
Homing speed
[PA2_06]
Creep speed for homing [PA2_07]
Time
Homing [ORG] OFF ON OFF
Home position LS
[LS]
OFF
ON
ON
Encoder Z-phase ON OFF
Home position shift unit amount
[PA2_14]
Servo-on [S-ON]
OFF ON
Ready for servo-on
OFF ON
Homing LS detection OFF
ON
OFF
Homing completion
OFF ON
Zero
speed OFF ON ON
In-position [INP] OFF ON ON
OFF
Controller,
sensor
↓
Servo amplifier
Servo amplifier
↓
Controller
Position control OFF ON
(1)
(2)
(3)
＋
－
ON
ON
OFF
OFF
Home position LS
Encoder Z-phase
Home position
Starting direction for homing
Home position shift amount
(1)(2) (3)
Homing direction after reference signal detection
Speed
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