Basic Instructions; Operation Start, Series Connection, Parallel Connection: Ld, Ldi, And, Ani, Or, Ori - Mitsubishi Electric MELSEC Q Series Programming Manual

5 SEQUENCE INSTRUCTIONS FOR MOTION CPU

5.3 Basic Instructions

5.3.1 Operation start, series connection, parallel connection: LD, LDI, AND, ANI, OR, ORI

Setting
data
X Y M
―
[Function]
Bit device
SM F T C D
[ ]
Instruction
X0
LD
X0
LDI
X0
AND
X0
ANI
OR
X0
ORI
X0
(1) Operation start (LD, LDI)
• 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, and use that as an operation result.
(2) Series connection (AND, ANI)
• AND is the A contact series connection instruction, and ANI is the B contact
series connection instruction. They read the ON/OFF data of the designated bit
device, perform an AND operation on that data and the operation result to that
point, and take this value as the operation result. (AND and ANI can be series
connection up to 240.)
(3) Parallel connection (OR, ORI)
• OR is the A contact single parallel connection instruction, and ORI is the B
contact single parallel connection instruction. They read ON/OFF information
from the designated device, and perform an OR operation with the operation
results to that point, and use the resulting value as the operation result. (OR
and ORI can be parallel connection up to 23.)
Usable device
Word device
W T C SD Z
Device No.
5 - 16
Constant Pointer Level
K H P N
Digit
desig- Index
nation
: Usable