Mitsubishi Electric M800VW Series Programming Manual page 634

M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function
14.10 Arbitrary Reverse Run
 Operation example
[To return the tool to the interruption point and start a cycle again]
Keep the "Reverse run from block start" (RVSP) signal OFF when starting a reverse run.
To execute a reverse run after returning from the macro program, carry out a block stop when returning, turn ON the "Reverse
run" (VRV) signal and then start the cycle. When the reverse run is not executed, the block stop is not required.
Reverse run
N07
N103
N101
Where a tool has
broken or the like
Single block (SBK)
Reverse run control
mode (RVMD)
Macro interrupt (UIT)
Reverse run (VRV)
Reverse run from
block start (RVSP)
In macro interrupt
M function finish
(FINn)
Automatic operation
"start" command (ST)
In automatic operation
"start" (STL)
Program execution
Where a tool is
changed or the like
N06 N07 N101 N102
N01 G90 G54 X0 Y0 ;
N02 M96 P1001 ;
N03 G91 G01 X - 50. F500 ;
N04 Y- 20.
N05 X20.
N06 G02 Y - 50. R25. ;
N07 G03 Y - 50. R25. ;
N08 G01 X30. ;
M97 ;
M02 ;
O1001 ;
#101= #5001 #102=#5002 ;
N101 G90 X70. ;
N102 M0 ;
N103 G90 G53 X#101 Y#102;
N104 M0 ;
G04 ;
M99 ;
Stop
N103 N104
Reverse run in "( )"
Forward run in "[ ]"
613
(N07) (N06)
IB-1501668-B