Appendix; Sample Ladder Program - Mitsubishi Electric MELFA CR800-D Series Instruction Manual

9. Appendix

9.1. Sample Ladder Program

The example of the sample rudder program for Q series sequencers of MELSEC is shown below.
This sample rudder program is programmed to operate program No. 1 automatically, if the mode of the
controller is changed to "Automatic".
X60 X6F
0
Master-station unit ready
Master-station unit abnormality
M1
4
<>
Under the
Data link state of other stations
master
(No.1 to 16)
station unit
executing
normally
<>
Data link state of other stations
(No.17 to 32)
<>
Data link state of other stations
(No.33 to 48)
<>
Data link state of other stations
(No.49 to 64)
M1
19
Under the
master
station unit
executing
normally
X1000
21
↑
Operation right
M10 X1000
23
Operation
Automatic
right
mode
X61
Master-station data linking
K0 SW80
K0 SW81
K0 SW82
K0 SW83
X1003
X1006
Program
Executing
selection is
possible.
X1003
Program
selection is
possible.
43
(M1
Under the
master
station unit
executing
normally
(M1
Abnormal in
the other
station link
(Y1000
Request of
operation
right
SET M10
Automatic mode
MOV K1 D0
Program number
MOV D0 W1000
Program number DIODATA(for
program numbers
(Y1003
Program reset
(Y1005
Program select
)
)
)
)
)