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FANUC Series 16i/18i/21i Supplement to Manual Page 3

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FANUC Series 16i/18i/21i –MB, 18i–MB5
Automatic reference position return (G28) improvement
in simple synchronous control axis Specifications
A-90238E
2005.09.30
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2 Specifications
Currently, the alarm No.213 occurs if the automatic reference potion return (G28) is
commanded for the simple synchronous control axes whose reference positions are
not established.
When the parameter SLR (No.8305#4) is set to “1”, the automatic reference position
return (G28) is available for the simple synchronous control without executing the
manual reference position return.
In case that the reference position of either master axis or slave axis is already
established in the simple synchronous control, the alarm No.90 occurs when the
automatic reference position return (G28) is commanded for establishing the
reference positions.
In this case, the automatic reference position return (G28) becomes available after
canceling the alarm No.90 by reset operation.
Note
1. The state in which the reference position has not been established
refers to that state in which reference position return has not been
performed after power–on when an absolute position detector is not
being used, or that state in which the association of the machine
position with the position detected with the absolute position detector
has not been completed (see the description of bit 4 (APZx) of
parameter No.1815) when an absolute position detector is being
used.
2. When G28 command is specified, specify the only master axis of
simple synchronous control.
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Contents Summary of FANUC Series 16i/18i/21i Supplement to Manual

  • Page 1FANUC Series 16i/18i/21i – MB FANUC Series 18i – MB5 Automatic reference position return (G28) improvement in simple synchronous control axis Specifications CONTENTS 1 GENERAL.............................................................................................................................
  • Page 21 General By this function, the automatic reference position return (G28) can be commanded for the simple synchronous control axes without executing the manual reference position return after power-on. FANUC Series 16i/18i/21i –MB, 18i–MB5 TITLE Automatic reference position return (G28) improvement
  • Page 32 Specifications Currently, the alarm No.213 occurs if the automatic reference potion return (G28) is commanded for the simple synchronous control axes whose reference positions are not established. When the parameter SLR (No.8305#4) is set to “1”, the automatic reference position return (G28) is av
  • Page 43 Parameter #7 #6 #5 #4 #3 #2 #1 #0 8305 SLR [Data type] Bit SLR In the simple synchronous control, when the automatic reference position return (G28) for establising the reference positions is commanded before executing the manual reference position return, 0 : Alarm No.213 occurs. 1 : Reference po
  • Page 54 Alarm and message Number Message Description 90 REFERENCE RETURN Automatic reference position return INCOMPLETE (G28) for establishing the reference positions cannot be executed because the reference position of either master axis or slave axis is already established in the simple synchronous cont
  • Page 65 Reference item Series CONNECTION MANUAL 1.6 SIMPLE SYNCHRONOUS 16i/18i/21i- (FUNCTION) CONTROL MODEL B （B – 63523EN-1/02 ） Series CONNECTION MANUAL 4.4 REFERENCE POSITION 16i/18i/21i- (FUNCTION) RETURN MODEL B （B – 63523EN-1/02 ） FANUC Series 16i/18i/21i –MB, 18i–MB5 TITLE Automatic reference posi