Mitsubishi Electric M800VW Series Programming Manual page 638

M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function
14.10 Arbitrary Reverse Run
System variable
The following shows the system variables used in the reverse run control.
 Position information
End point coordinate of
Position information
the immediately peceding
Axis No.
1 #5001
2 #5002
3 #5003
: :
n #5000 + n
Reading during move-
Yes
ment
 Reverse run information
Variable
Usage
number
Number of available blocks
#31100
for reverse run
Counter of available blocks
#31101
for reverse run
Start point coordinate of block
with a macro interrupt
block
#5121
#5122
#5123
:
#5120 + n
Yes
Description
+1 added number of the blocks that retained the reverse
run information while the "Reverse run control mode" sig-
nal was ON
Number of available blocks for reverse run (value of
#31100) when the "Reverse run" signal turned ON to
start.
Turns "0" when the forward run has been executed for all
the blocks.
Shows "0" in the normal operation.
617
End point coordinate of block
with a macro interrupt
#5141
#5142
#5143
:
#5140 + n
Yes
Range
0 to 201
0 to 201
IB-1501668-B