Basic Instructions
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Caution is required when using a differential instruction with instructions which change the order of instruction
execution such as MC and MCE or JP and LBL (below instructions).
− MC to MCE instructions
− JP to LBL instructions
− F19 (SJP) to LBL instructions
− LOOP to LBL instructions
− CNDE instruction
− Step ladder instructions
− Subroutine instructions
When combining a differential instruction with an AND stack or pop stack instruction, take care that the syntax
is correct.
Operation is as follows with a circuit like the one shown below.
You cannot output from here.
X0
DF
Y0
X1
X0
X1
Y0
Time chart
Please use a program as follows when Y0 is turned on at the rise of either X0 or X1.
X0
DF
Y0
X1
X0
X1
Y0
DF
Time chart
Example of a differential instruction application
Using a differential instruction makes it easier to adjust a program.
Application example for self−hold circuit
Using a differential instruction makes it possible to handle long input signals.
With no differential instruction
X0
DF
Y10
R0
Y10
X1
DF
R0
X0
X1
R0
Y10
Y10
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