Yaskawa Ladder Works Programming Manual - Manual (Page 35)

2.11 DEC Instruction (DEC)
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2.11 DEC Instruction (DEC)
[Outline]
The DEC instruction subtracts 1 from the designated integer or double-length integer register. For
integer registers, no underflow error occurs even if the result of subtraction is less than – 32768.
Likewise, no underflow error occurs for double-length integer registers.
[Format]
Symbol : DEC
Full Name : Decrement
Category : MATH
Icon :
[Parameter]
Parameter Name Setting
Dest · Any integer type and double-length integer type register (except for # and
C registers)
· Any integer type and double-length integer type register with subscript
(except for # and C registers)
· Subscript register
[Program Example]
Integer type
⇔
equivalent