DMC-40x0 Command Reference RE • 203
RE
FUNCTION: Return from Error Routine
DESCRIPTION:
The RE command is used to end a position error handling subroutine or limit switch handling
subroutine. The error handling subroutine begins with the #POSERR label. The limit switch
handling subroutine begins with the #LIMSWI. An RE at the end of these routines causes a
return to the main program. Care should be taken to be sure the error or limit switch
conditions no longer occur to avoid re-entering the subroutines. If the program sequencer was
waiting for a trippoint to occur, prior to the error interrupt, the trippoint condition is preserved
on the return to the program if RE1 is used. A motion trippoint such as MF or MR requires
the axis to be actively profiling in order to be restored with RE1. RE0 clears the trippoint. To
avoid returning to the main program on an interrupt, use the ZS command to zero the
subroutine stack.
ARGUMENTS: RE n where
n = 0 Clears the interrupted trippoint
n = 1 Restores state of trippoint
no argument clears the interrupted trippoint
USAGE: DEFAULTS:
While Moving No Default Value -
In a Program Yes Default Format -
Command Line No
Controller Usage
ALL CONTROLLERS
RELATED COMMANDS:
#POSERR Error Subroutine
#LIMSWI Limit Subroutine
EXAMPLES:
#A;JP #A;EN ;'Label for main program
#POSERR ;'Begin Error Handling Subroutine
MG "ERROR" ;'Print message
SB1 ;'Set output bit 1
RE ;'Return to main program and clear trippoint
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