Contact Instruction; Operation Start, Series Connection, Parallel Connection (Ld, Ldi, And, Ani, Or, Ori) - Mitsubishi MELSEC QS Series Programming Manual

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

Contact Instruction

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
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
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
5.1 Contact Instruction
5-2

5.1.1 Operation start, series connection, parallel connection (LD, LDI, AND, ANI, OR, ORI)

X1/D0.1
X1/D0.1
X2/D0.2
X2/D0.2
X3/D0.3
X3/D0.3
: Devices used as contacts (bits)
S
Internal Devices
Set
Data
Bit
the designated bit.
Bit device number / Bit designation of word device S
Constants Others
Word
––
*1
, and use that as