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Increment/Decrement Instructions Section 3-9
Operation of @++B(594)
The up-differentiated variation is used in the following example, so the content
of D100 will be incremented by 1 only when CIO 0.00 has gone from OFF to
ON.
3-9-6 DOUBLE INCREMENT BCD: ++BL(595)
Purpose Increments the 8-digit BCD content of the specified words by 1.
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
@++B
D100 D100
0.00
D100
CIO 0.00
Increment
Increment
Wd: Wd:
: Execution of @++B(594)
Incremented only for
up-differentiation.
++BL(595)
Wd
Wd: First word
Variations Executed Each Cycle for ON Condition ++BL(595)
Executed Once for Upward Differentiation @++BL(595)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification Not supported
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
Area Wd
CIO Area CIO 0 to CIO 6142
Work Area W0 to W510
Holding Bit Area H0 to H510
Auxiliary Bit Area A448 to A958
Timer Area T0000 to T4094
Counter Area C0000 to C4094
DM Area D0 to D32766
Indirect DM addresses
in BCD
@ D0 to @ D32767
Indirect DM addresses
in BCD
*D0 to *D32767
Constants ---
Data Registers ---
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