Contact Instructions - Mitsubishi MELSEC Q Series Programming Manual

LD,LDI,AND,ANI,OR,ORI
5.1

Contact Instructions

5.1.1
Operation start, series connection, parallel connection
(LD,LDI,AND,ANI,OR,ORI)
LD,LDI,AND,ANI,OR,ORI
LD
LDI
AND
ANI
OR
ORI
Setting
Data
S
Function
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*
operation result.
*1: When a bit designation is made for a word device, the device turns ON or OFF depending on the 1/0 status of
5-2
X1/D0.1
X1/D0.1
X3/D0.3
X3/D0.3
: Devices used as contacts (bits)
S
Internal Devices
R, ZR
Bit Word
the designated bit.
Basic
Bit device number / Word device bit designation (
X2/D0.2
X2/D0.2
J \
U \G
Bit Word
High
Process
Redundant Universal
performance
S
)
Zn Constants
––
1
, and use that as an
LCPU
Other
DX, BL