Filter
Top Products
Chapter 5 Instruction Specifications
5-2
The following lists the instructions.
1. Basic instructions (sequence instructions)
R7F4
R7F3
R7F2
R7F1
R7F0
Process
time
(
µ
s)
Classification
Item number
Ladder symbol
Instruction
symbol
Instruction
name
Process descriptions I/O types used
DERERR SD V C
MICRO-EH
Steps
Remarks
1 LD Logical
operation start
Indicates the
commencement of a-
contact operation.
zzzzz
0.9 1
2 LDI Logical
negation
operation start
Indicates the
commencement of b-
contact operation.
Sequence instructions
3 AND Logical AND Indicates a-contact series
connection.
X, Y
R0 to R7BF
M0 to M3FFF
TD, SS, CU, CT
Timer: 0 to 255
Counter: 0 to 255
DIF0 to DIF511
DFN0 to
DFN511
0.8
4 ANI Logical
NAND
Indicates b-contact series
connection.
5 OR Logical OR Indicates a-contact
parallel connection.
zzzzz
0.9 2
6 ORI Logical NOR Indicates b-contact
parallel connection.
7 NOT Logical NOT Reverses all operation
results up to that point.
None
zzzzz
0.8 2
8DIFAND
DIF
Leading edge
detection
Indicates detection of the
input rise.
DIF0 to DIF511
(Decimal)
zzzzz
1.0 3
4
Number
overlap not
allowed
DIF OR
DIF
9DFNAND
DFN
Trailing edge
detection
Indicates detection of the
input fall.
DFN0 to
DFN511
(Decimal)
zzzzz
1.2 3
4
Number
overlap not
allowed
DFN OR
DFN
10 OUT I/O output Indicates an output coil. X, Y
R0 to R7BF
M0 to M3FFF
TD, SS, CU,
CTU, CTD, CL
Timer: 0 to 255
Counter: 0 to 255
zzzzz
1.0 1
11
SET
SET I/O set Indicates set output. X, Y
R0 to R7BF
M0 to M3FFF
zzzzz
0.9 1
12
RES
RES I/O reset Indicates reset output.
13
MCS
MCS Set master
control
Indicates master control
set operation.
MCS0 to MCS49
zzzzz
0.7 3 Number
overlap
allowed
14
MCR
MCR Reset master
control
Indicates master control
reset operation.
MCR0 to
MCR49
zzzzz
0.7 2 Number
overlap
allowed