4.2.5 ALARM231 AND232 (Zero Point Return Area Error)
Cause of Trouble
Zero point return
start position was at
zero point side rather
than at deceleration
LS side.
Final distance of zero
point return is too
short, or, approach
speed is too fast.
Check Method
Try zero point return again while
observing the deceleration LS:
~#1306 D4(X)
#1306 D5(Z)
As shown below an alarm results when
zero point return is made between DECLS
and zero point.
Note that this error
check can be performed only after power
supply is turned OFF and the manual
return to zero point has been completed.
!%!:-L-L
SWITCH)
SI@J& R#D
S–OT
212. ;
Perform the zero point return by jog
feed.
Try to change parameter for final
distance.
Compare the parameter for approach speed
with parameter list.
Solution
Return it to the decelera-
tion LS or try the zero
point return again from a
more distant point.
Make final distance
(parameter) longer:
. m#6304(X)
116305(Z)
● Approach speed:
#6310(X)
+16311(Z)
● If MB20, servopack and/
or servo motor are re-
placed, ensure position
loop gain (Kp).
–l(J._
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