5-3. Description of Basic Instructions
124
MC
Master control relay
MCE
Master control relay end
Availability
Step
2
2
All series
Outline
Executes the instructions from
MC
to
MCE
when the predetermined trigger
(I/O) turns ON.
Program example
■
Explanation of example
■
Time chart
Description
• Executes programs from
MC
to
MCE
when the predetermined trigger turns ON.
• When the predetermined trigger is in the OFF state, the instructions between the
MC
and
MCE
instruction set operate as follows.
Instruction
OT
KP
SET
RST
TM
and
F137 (STMR)
CT
and
F118 (UDC)
SR
and
F119 (LRSR)
Other instructions
I/O Condition
All OFF
Holds the state at the time just before the trigger turns OFF.
Reset
Holds the elapsed value at the time just before the trigger
turns OFF.
Not executed
ON
OFF
X0
ON
OFF
X1
ON
OFF
ON
OFF
ON
OFF
Y0
X2
Y1
• Executes the programs from the
MC
instruction to
the
MCE
instruction when predetermined trigger
X0 turns ON.
• The example program executes in the same way as
the program below.
Ladder Diagram
FP Programmer
II
key operations
Boolean Non-ladder
Address Instruction
X0
X1
(
MC 0
)
!
Y0
X2
Y1
(
MCE 0
)
!
Predetermined trigger
MC instruction number
0
3
5
7
ST
X-WX
ST
X-WX
1
WRT
ST
X-WX
ST
X-WX
0
WRT
ST
X-WX
2
WRT
AN
Y-WY
OT
L-WL
0
WRT
ST
X-WX
NOT
DT/Ld
SHIFT
SC
0
WRT
SHIFT
SC
4
SHIFT
SC
0
WRT
AN
Y-WY
OT
L-WL
1
WRT
SHIFT
SC
5
0
1
3
4
5
6
7
ST
X
0
MC
0
ST
X
1
OT
Y
0
ST/
X
2
OT
Y
1
MCE
0
MC instruction number
C14 and C16 series:
0 to 15 (16 points)
C24, C40, C56, and C72 series: 0 to 31 (32 points)
X0
X1
Y0
X2
Y1
Summary of Contents for FP1
Page 1: ...PROGRAMMABLE CONTROLLER FP1 is a global brand name of Matsushita Electric Works Hardware ...
Page 28: ...20 ...
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