Mitsubishi MELSEC QCPU - Contact Instructions

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MELSEC-Q/QnA
5 SEQUENCE INSTRUCTIONS
High Perf ormanc e
B
as
i
c
QnA Q4AR
PL C CPU
P
rocess
CPU
QCPU
5.1 Contact Instructions
5.1.1 Operation start, series connection, parallel connection
(LD, LDI, AND, ANI, OR, ORI)
Usable Devices
Internal Devices
(System, User)
MELSECNET/10(H)
Direct J \
Other
Set
Data
Bit Word
File
Register
Bit Word
Special
Function
Module
U \G
Index
Register
Zn
Constant
K, H
DX, BL
S
[Instruction Symbol] [Execution Condition]
X1/D0.1
X1/D0.1
Bit device number/Bit designation of word device ( )
X2/D0.2
X2/D0.2
X3/D0.3
X3/D0.3
LD
LDI
AND
ANI
OR
ORI
S
[Set Data]
Set Data Meaning Data Type
S
Devices used as connections Bit
[Functions]
LD, LDI
(1) LD is the A contact operation start instruction, and LDI is the B contact operation start
instruction. They read ON/OFF information from the designated device (if a word device bit
has been designated, this becomes the 1/0 status of the designated bit), and use that as an
operation result.
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