160
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 RnSFCPU
RnPCPU
RnPCPU
(Standard)
(Safety)
(Redundant)
(Process)
(s)
(s)
(s)
(s)
(s)
(s)
LD
LDI
AND
ANI
OR
ORI
Summary of Contents for MELSEC iQ-R Series
Page 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Page 34: ...32 MEMO ...
Page 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Page 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Page 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Page 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Page 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Page 2109: ......