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Equation – Rockwell Automation GMLC Reference Manual User Manual

Page 439

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Publication GMLC-5.2 - November 1999

402

Calculation Blocks

Equation

The Equation block assigns a value to:

a user variable

an indirect variable

certain system variables

a discrete output

an output group

a DH-485 variable

a cam profile point

an SLC variable

an SLC indirect variable.

The assigned value can be a constant, or an expression that GML
Commander evaluates to determine the assigned value.

The Equation block resides on the Main Palette.

The Equation block presents five different appearances depending upon
your response in the Type box. The options include:

Configured

Slave_CAM_position

Master_CAM_position

Master_CAM_time

Indirect_Variable

The steps for configuring each type of equation are set forth below.

Configured

Select Configured in the Type box to assign a value to an Axis System
variable, an AxisLink I/O output or output group, a DH-485 variable, a
General System variable, an SLC variable or a User variable. Make
entries in the following fields: