Emerson Epsilon EP Drive 400518-01 Installationshandbuch PDF herunterladen (Seite 119)

107

Programming

var.var1 = 1111111111111111111111111111111b

var.var2 = 0000000000000000000001111101000b

BitOr

This operator may be used when it is desirable to OR each individual bit of a 32-bit parameter.

var.var2 = var.var0 bitor var.var1

For example: if var.var0 = 1000 and var.var1 = -10000

var.var0 = 0000000000000000000001111101000b

var.var1 = 1111111111111111101100011110000b

var.var2 = 1111111111111111101101111111000b

Label:

The Label: instruction is used in conjunction with the GoTo instruction to cause program flow to transfer to a specified

location within a program. The destination label is allowed to be above or below the GoTo instruction within the same

program. It is not possible to GoTo a label outside of the program containing the GoTo instruction, nor is it possible to use a

GoTo/Label: to exit out of a For Count/Next loop. In either of these conditions, a RedDot error will be generated.

The Label to which program flow transfers is a string of up to 50 characters in length and can be made up of any alphanumeric

character. The label name must not start with a number, and must end with a colon character “:”. When using the Label:

instruction, a “:” will be automatically inserted for the user.

Labels are not case sensitive.

Examples:

Start:

Index.1.Initiate

Wait For Index.AnyCommandComplete

If (DriveInput.2 = ON) Then

GoTo Start:‘ Go to Start label if Input2 on

EndIf

DriveOutput.1 = ON

End

See GoTo instruction for additional examples.

GoTo

The GoTo instruction is used in conjunction with the Label: instruction to cause program flow to transfer to a specified

location within a program. The destination label is allowed to be above or below the GoTo instruction within the same

program. It is not possible to GoTo a label outside of the program containing the GoTo instruction, nor is it possible to use

a GoTo/Label: to exit out of a For Count/Next loop. In either of these conditions, a RedDot error will be generated.

The Label to which program flow transfers is a character string up to 50 characters in length and can be made up of any

alphanumeric character. The label name must not start with a number, and must end with a colon character “:”.

Labels are not case sensitive.

Examples:

Do While (TRUE)

If (DriveInput.1 = ON) Then

GoTo RunIndex1: ‘Go to RunIndex1 label

Else

GoTo RunIndex2: ‘Go to RunIndex2 label

EndIf

RunIndex1: ‘If Input.1 is on, resume here

Index.1.Initiate

GoTo EndLoop: ‘GoTo EndLoop label

RunIndex2: ‘If Input.1 is off, resume here

Index.2.Initiate

EndLoop:

Wait For Index.AnyCommandComplete

Loop

See the Label: instruction for additional examples.

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