5-2
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
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*
1
, and use that as an
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
the designated bit.
: Devices used as contacts (bits)
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn Constants
Other
DX, BL
Bit Word Bit Word
––
Basic
Process
High
performance
Redundant
Universal
X1/D0.1
X1/D0.1
Bit device number / Word device bit designation ( )
X2/D0.2
X2/D0.2
X3/D0.3
X3/D0.3
S
LD
LDI
AND
ANI
OR
ORI
S
S