Omron SYSMAC CS Series, Reference Manual, Page: 477 / 1405

437
Symbol Math Instructions
Section 3-11
Precautions If Au, Au +1 or Ad, Ad +1 are not BCD, an error is generated and the Error
Flag will turn ON.
If as a result of the addition, the content of R, R +1 is 00000000 hex, the
Equals Flag will turn ON.
If an addition results in a carry, the Carry Flag will turn ON.
Examples When CIO 000000 is ON in the following example, D00101 and D00100 and
D00111 and D00110 will be added as 8-digit BCD values, and the result will
be output to D00121 and D00120.
3-11-7 BCD ADD WITH CARRY: +BC(406)
Purpose Adds 4-digit (single-word) BCD data and/or constants with the Carry Flag
(CY).
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
+BC(406)
R
Au
Ad
Au : Augend word
Ad : Addend word
R : Result word
Variations Executed Each Cycle for ON Condition +BC(406)
Executed Once for Upward Differentiation @+BC(406)
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 Au Ad R
CIO Area CIO 0000 to CIO 6143
Work Area W000 to W511
Holding Bit Area H000 to H511
Auxiliary Bit Area A000 to A959 A448 to A959
Timer Area T0000 to T4095
Counter Area C0000 to C4095
DM Area D00000 to D32767
EM Area without bank E00000 to E32767
EM Area with bank En_00000 to En_32767
(n = 0 to C)