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LD, LDI, AND, ANI, OR, ORI
CHAPTER 5
SEQUENCE INSTRUCTIONS
5.1
Contact Instructions
: Devices used as contacts (bits)
F
unct
io
n
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.
LD, LDI
Operation start
AND, ANI
Series connection
OR, ORI
Parallel connection
5.1.1
LD, LDI, AND, ANI, OR, ORI
Setting
Data
Internal Devices
R, ZR
J \
U \G
Zn
Constants
Other
DX, BL
Bit
Word
Bit
Word
––
Basic
Process
High
performance
Redundant Universal
LCPU
X1/D0.1
X1/D0.1
Bi
t
d
e
vi
ce
number
/ Wo
r
d d
e
vi
ce
b
i
t
d
es
ig
nat
io
n
(
)
X2/D0.2
X2/D0.2
X3/D0.3
X3/D0.3
S
LD
LDI
AND
ANI
OR
ORI
S
S