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1.3 Cautions on Creation of Fundamental Programs
27
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
1
Outline
2
Instruction List
3
Configuration of
Instruction
4
How to Read
Explanation of
Instructions
5
Basic Instruction
6
Step Ladder
Instructions
7
Applied Instructions
(Program Flow)
8
Applied Instructions
(Move and
Compare)
9
Applied Instructions
(Arithmetic and
Logical Operation)
10
Applied Instructions
(Rotation and
Shift Operation)
FX0S, FX0, FX0N, FXU and FX2C PLCs
Limitation in simultaneous instances of instructions
Some instructions can be programmed two or more times, but the number of simultaneous instances is
limited. Even in instructions not shown below, if two or more instructions are driven at the same time for a
same I/O number, it is regarded as double outputs. In some combinations of instructions, the operation may
be disrupted, or the instructions cannot be executed.
For details, refer to the caution described in each instruction page.
•FX
3S, FX3G, FX3GC, FX3U and FX3UC PLCs
PLSY, PWM, PLSR, DSZR, DVIT
*1
, ZRN, PLSV, DRVI, DRVA
DHSCS, DHSCR, DHSZ, DHSCT
*1
RS, RS2, IVCK, IVDR, IVRD, IVWR, IVBWR
*1
, IVMC
FLCRT
*1
, FLDEL
*1
, FLWR
*1
, FLRD
*1
, FLCMD
*1
, FLSTRD
*1
*1. FX3S, FX3G and FX3GC PLCs are not compatible.
•FX
1S, FX1N, FX1NC, FX2N and FX2NC PLCs
DHSCS, DHSCR, DHSZ(FX
1S, FX1N, FX1NC, FX2N and FX2NC PLCs)
RS (FX
2N and FX2NC PLCs)
PLSY, PLSR, RS, ZRN, PLSV, DRVI, DRVA(FX1S, FX1N and FX1NC PLCs)
•FX0S, FX0, FX0N, FXU and FX2C PLCs
DHSCS, DHSCR, DHSZ(FX0, FX0S, FX0N, FXU and FX2C PLCs)
RS (FX
0N, FXU and FX2C PLCs)
Instruction
name
Allowable number of
times of use
Remarks
MTR 1 FX0, FX0S or FX0N PLCs are not provided.
PLSY 1
-
PWM 1
IST 1 -
ABSD 1
FX0S, FX0 or FX0N PLCs are not provided.
INCD 1
ROTC 1
SORT 1
TKY 1
HKY 1
DSW 2
SEGL 2
ARWS 1
PR 2