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NAiS FP1

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5-3. Description of Basic Instructions
110
Notes:
Application examples
R1
R0
X0
X0 R3
( DF/ )!
R0
X0 R0
( DF )!
R3
R2
R3
R0 Y0
R1
X0 R1
( DF/ )!
R3
R0
R2
X0 R2
( DF )!
R3
R1
R2
R2
Y0
R0
X1
X0
Y0
X1 R0
( DF )!
X0 Y0
( DF )!
R0
Y0
Y0
A program with a DF instruction
R0
X1
X0
Y0
X1 R0
X0 Y0
R0
A program without a DF instruction
Alternating circuit using a single signal to hold and
release a circuit.
Self-hold circuits when the output is controlled by
a long input signal.
Trigger to the DF instructions between the MC
and MCE instruction set are ignored while the
MC execution condition is OFF.
If, in the example above, output is required at
point A , place the DF instruction outside the MC
and MCE instruction set.
If the same trigger is set for the MC and for the
DF instruction, there will be no output. Place the
DF instruction outside the MC and MCE
instruction set when output is required.
INCORRECT
( MCE 0 )!
X0 Y0
( DF )!
X0
( MC 0 )!
( MCE 0 )!
X0 R0
X0
( MC 0 )!
R0 Y0
( DF )!
Y0 never
turns ON.
( MCE 0 )!
Y0
X1
X0
X1 Y0
( DF )!
X0
( MC 0 )!
Changes in X1 are ignored
during this interval.
A
( MCE 0 )!
X1 R0
X0
( MC 0 )!
R0 Y0
( DF )!

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