8 System Setup
DX100 8.2 Setting the Second Home Position (Check Point)
8-13
Position Check
After the "OUT OF RANGE (ABSO DATA)" alarm occurs, move to the
second home position using the axis keys and perform the position
confirmation. Playback, test runs, and FWD operation will not function
unless "CONFIRM POSITION" is performed.
Pulse Difference Check
The pulse number at the second home position is compared with that at
the current position. If the difference is within the allowable range,
playback is enabled. If not, the alarm occurs again.
• The allowable range pulse is the number of pulses per rotation of the
motor (PPR data).
• The initial value of the second home position is the home position
(where all axes are at pulse 0). The second home position can be
changed. For details, refer to chapter 8.2.2 “Procedure for the Sec-
ond Home Position Setting (Check Point)” at page 8-14.
"OUT OF RANGE (ABSO DATA)" alarm occurs
Reset alarm
Turn ON servo power
Alarm occurs again
Correct defective axis
• Replace PG system
• Home position calibration
Playback possible
Compare second home
position (check point)*
pulses with current
position pulses
Procedure After Alarm Occurs
NG
OK
Position confirmation
operation
∗ Position checking point
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