Mitsubishi MELSEC QCPU User Manual

2 - 4 2 - 4
MELSEC-Q/QnA
2 INSTRUCTION TABLES
2.3 Sequence Instructions
2.3.1 Contact Instruction
Table 2.3 Contact Instructions
Category
Instruction
Symbols
Symbol Processing Details
Execution
Condition
Number of
Basic Steps
Subset
See for
Description
LD
• Starts logic operation
(Starts a contact logic operation)
LDI
• Starts logical NOT operation
(Starts b contact logic operation)
AND
• Logical product
(a contact series connection)
ANI
• Logical product NOT
(b contact series connection)
OR
• Logical sum
(a contact parallel connection)
ORI
• Logical sum NOT
(b contact parallel connection)
1
3
5-2
LDP • Starts leading edge pulse operation
LDF • Starts trailing edge pulse operation
ANDP • Leading edge pulse series connection
ANDF • Trailing edge pulse series connection
ORP • Leading edge pulse parallel connection
Contact
ORF
• Trailing edge pulse parallel connection
2
3
5-5
REMARKS
1) 1 : The number of steps may vary depending on the device being used.
Device Number of Steps
Internal device, file register (R0 to R32767) 1
Direct access input (DX) 2
Devices other than above 3
2) 2 : The number of steps may vary depending on the device and type of CPU module being
used.
Number of Ste
p
s
Device
QCPU QnACPU
Internal device, file register (R0 to R32767) 1 2
Direct access input (DX) 2 2
Devices other than above 3 3
3) 3: The subset is effective only with QCPU.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Mitsubishi MELSEC QCPU Specifications

General

Brand	Mitsubishi
Model	MELSEC QCPU
Category	Controller
Language	English