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
)
!
Содержание FP1
Страница 1: ...PROGRAMMABLE CONTROLLER FP1 is a global brand name of Matsushita Electric Works Hardware ...
Страница 28: ...20 ...
Страница 98: ...90 ...
Страница 150: ...142 ...
Страница 208: ...200 ...
Страница 226: ...218 ...
Страница 280: ...272 ...