Mitsubishi Electric M800VW Series Programming Manual page 636

M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function
14.10 Arbitrary Reverse Run
 Precautions
 Make sure to start a reverse run on the point (or the block start point) where the interruption occurs.
If a reverse run starts with a block stop in a macro interrupt program, the movement seems to start at the point (or the block
start point) where the interruption occurs.
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
Reverse run
(N08)
N08
N101
O1001 ;
#101=#5001 #102=#5002;
N101 G90 X70. ;
N102 M0 ;
N103 G90 G53 X#101 Y#102;
N104 M0 ;
G04 ;
M99 ;
N08 Stop N101 Stop
N01 G90 G54 X0 Y0 ;
N02 M96 P1001 ;
N03 G91 G01 X - 50. F500 ;
N04 Y - 20.
N05 X20.
N06 Y - 15.
N07 X25.
N08 Y - 20.
N09 X - 25.
N10 Y - 15.
N12 Y - 15.
N13 X - 25.
N14 Y - 20.
N15 X25.
N16 Y - 15.
N17 X30.
M97 ;
M02 ;
Reverse run turns ON here
N102 Stop (N08) Stop
N08 is executed
in the reverse run
615
Reverse run in "( )"
Forward run in "[ ]"
IB-1501668-B