Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

165
Sequence Input Instructions Section 3-3
Flags There are no flags affected by this instruction.
Precautions Immediate refreshing (!) can be specified for LD NOT. An immediate refresh
instruction updates the status of the input bit just before the instruction is exe-
cuted for Basic Input Units (but not Basic Input Units on Slave Racks or for
C200H Group 2 Multi-point Input Units).
Example
3-3-3 AND: AND
Purpose Takes a logical AND of the status of the specified operand bit and the current
execution condition.
Ladder Symbol
Variations
Note Immediate refreshing is not supported by CS1D CPU Units for Duplex-CPU
Systems.
Applicable Program Areas
Instruction Operand
LD 000000
LD 000001
LD 000002
AND 000003
OR LD ---
AND LD ---
LD NOT 000004
AND 000005
OR LD ---
OUT 000100
OR LD
AND LD
OR LD
Variations Creates ON Each Cycle AND Result is ON AND
Creates ON Once for Upward Differentiation @AND
Creates ON Once for Downward Differentiation %AND
Immediate Refreshing Specification (See note.) !AND
Combined
Variations
Refreshes Input Bit and Creates ON Once for
Upward Differentiation (See note.)
!@AND
Refreshes Input Bit and Creates ON Once for
Downward Differentiation (See note.)
!%AND
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK