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7.LADDER DIAGRAM
7. LADDER DIAGRAM
The following is a sample ladder program using a F159 (unit No.0) and CJ1
series. This program sets initial values to parameters required to carry out
weighing process, and writes and reads Final using R/W and request signal.
A200.11
000000
（000000）
P_First_Cycle
ON flag is set to allow
single cycle execution
88
MOV
Weighing setting data
（021）
write
#0
D20000
Upper limit
(lower 4 digits)
MOV
（021）
#0
D20001
Upper limit
(upper 1 digit)
MOV
（021）
#0
D20002
Lower limit
(lower 4 digits)
MOV
（021）
#0
D20003
Lower limit
(upper 1 digit)
MOV
（021）
#0
D20004
Near zero
(lower 4 digits)
MOV
（021）
#0
D20005
Near zero
(upper 1 digit)
MOV
（021）
#0
D20006
Set point 1
(lower 4 digits)
MOV
（021）
#0
D20007
Set point 1
(upper 1 digit)
MOV
（021）
#0
D20008
Set point 2
(lower 4 digits)）
MOV
（021）
#0
D20009
Set point 2
(upper 1 digit)
MOV
（021）
#0
D20010
FF CPS.
MOV
（021）
#0
D20011
Over
MOV
（021）
#0
D20012
Under
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