Rockwell-automation DeviceLogix System User Manual Manual do Utilizador descarregar pdf (Página 34)

34 Publication RA-UM003B-EN-P - February 2010

Chapter 2 Navigate the Function Block Editor Interface

The valid parameter range is shown below.

Select/Limit Category

The Select/Limit category includes the following instruction types:

•Select

• High Low Limit

Select

The DeviceLogix Select function block identifies one input within the

selected two function block inputs as the output according to the

value of the selector. The Select function block is outlined in detail

below.

IF Selector = 1

Output = value of Input 2

IF Selector = 0

Output = value of Input 1

END

The valid data ranges are as follows.

Parameters Data Range

Initialize 0,1

WLag 0 < WLag = 3.402823466e+38F

Order 1,2

Flotation 0, 1, 2, 3

FaultOption -3.402823466e+38F ~ 3.402823466e+38F

Parameters Data Range

In1 -2147483648 ~ 2147483647 (DINT)

-3.402823466e+38F ~ 3.402823466e+38F (REAL)

In2 -2147483648 ~ 2147483647 (DINT)

-3.402823466e+38F ~ 3.402823466e+38F (REAL)

SelectorIn 0, 1

FaultOption 0, 1, 2, 3

FaultStateValue -2147483648 ~ 2147483647 (DINT)

-3.402823466e+38F ~ 3.402823466e+38F (REAL)

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Rockwell-automation DeviceLogix System User Manual Manual do Utilizador Página 34