Mitsubishi Electric MELSEC iQ-R Series - Chapter 5 Sequence Instructions; Contact Instructions; Operation Start, Series Connection, Parallel Connection

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5 SEQUENCE INSTRUCTIONS
5.1 Contact Instructions
5 SEQUENCE INSTRUCTIONS
5.1 Contact Instructions
Operation start, series connection, parallel connection
LD, LDI, AND, ANI, OR, ORI
• LD: Normally open contact operation start, LDI: Normally closed contact operation start
These instructions output the on/off information of the specified device as the operation result.
• AND: Normally open contact series connection, ANI: Normally closed contact series connection
These instructions perform an AND operation between the on/off information of the specified device and the previous
operation result, and output the operation result.
• OR: Single normally open contact parallel connection, ORI: Single normally closed contact parallel connection
These instructions perform an OR operation between the on/off information of the specified device and the previous operation
result, and output the operation result.
■Execution condition
Ladder ST
Not supported
FBD/LD
Not supported
Instruction Execution condition
LD
LDI
AND
ANI
OR
ORI
Every scan
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant) (Process)
(s)
(s)
(s)
(s)
(s)
(s)
LD
LDI
AND
ANI
OR
ORI