Add (+); Ny-Series Instructions Reference Manual (W560 - Omron NY532-5400 Reference Manual

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2 Instruction Descriptions

ADD (+)

The ADD (+) instruction adds integers or real numbers. It also joins text strings.

*1 However, you can use more instructions if you use them as operators in an expression, such as result:= val1 + val2 +

val3;. You can use up to 64 instructions in one expression.

*2 If you omit the input parameter that connects to InN, the default value is not applied, and a building error will occur. For

example, if N is 3 and the input parameters that connect to In1 and In2 are omitted, the default values are applied, but if

the input parameter that connects to In3 is omitted, a building error will occur.

In a ladder diagram, the Add (+) instruction adds between two and five integers or real numbers and

outputs the result to output value Out. In ST, the Add instruction adds two integers or real numbers and

outputs the result to output value Out.

Add values In1 to InN can have different data types. However, use the combination that data types to

include are existed. If they are different, calculations are performed with the data type that includes the

range of all of the data types. For example, if In1 is INT data and In2 is DINT data, calculations are per-

formed with DINT data. Here, the addition result is DINT data.

Numbers to add

Ladder diagram: N = 2 to 5

Output value

OK OK OK OK OK OK OK OK OK OK

Graphic expression

Depends on data type.

ST expression

Out:=In1 + In2;

Times, durations, dates,

and text strings

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