Inc And Dec; Nj-Series Instructions Reference Manual (W502 - Omron NJ501-1500 Reference Manual

Inc and Dec

Inc: Increments an integer value.
Dec: Decrements an integer value.
Instruction
Inc Increment
Dec Decrement
Variables
Name Meaning
InOut Target data
Out Return
value
Bit strings
InOut
Out OK
Function
Inc
The Inc instruction increments target data InOut. If the result exceeds the maximum value of InOut,
InOut returns to the minimum value.
Dec
The Dec instruction decrements target data InOut. If the result exceeds the minimum value of InOut,
InOut returns to the maximum value.

NJ-series Instructions Reference Manual (W502)

Name FB/FUN
FUN
FUN
I/O Description
In-out Target data
Output Always TRUE
OK OK OK OK OK OK OK OK
Graphic expression
(@)Inc
EN ENO
InOut
(@)Dec
EN ENO
InOut
Valid range
Depends on data type.
TRUE only
Integers
2 Instruction Descriptions
ST expression
Inc(InOut);
Out
Dec(InOut);
Out
Unit Default
--- ---
--- ---
Times, durations,
dates, and text strings
2
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