Rockwell-automation 57C620 AutoMax Programming Executive Version 3.8 Manual de usuario descargar pdf (Pagina 197)

18Ć9On Line Menu: Monitoring and Editing Tasks

over the last value entered, if it is displayed. The syntax and

range of the value you enter will depend on the variable type.

See figure 18.3 for the value ranges of variable types. If you are

setting a tunable variable, the value you enter must be within the

range of the low and high limit.

18.1.6.2 Tuning a Variable

WARNING

DEPENDING ON THE APPLICATION, THE USE OF THE TUNE FUNCTION MAY

RESULT IN INSTABILITY OF THE APPLICATION PROCESS. IT IS THE

RESPONSIBILITY OF THE USER TO DETERMINE THE POTENTIAL HAZARDS

INVOLVED. FAILURE TO OBSERVE THESE PRECAUTIONS COULD RESULT IN

BODILY INJURY.

You can adjust the value of a variable designated as tunable in an

application task by selecting T" for T

une from the

Monitor Variable

Modify menu. The variable you want to tune does not need to be in

the screen display for you to tune it. The value is set incrementally

between the limits set in the application task. Follow the directions

below to tune a variable.

1. Enter T" for T

une from the

Monitor Variable Modify menu.

2. If the variable you want to tune is not displayed on the screen,

enter the name of the task containing the tunable variable,

followed by Enter" or <CR>. Continue at step 3.

If the name of the variable you want to tune is displayed on the

screen, you can enter the number of the line (1Ć16) on which the

variable name appears, followed by Enter" or <CR>. The

screen will display the task name in the Task" field and the

variable name in the Var" field. The current value of the variable

(Value"

field), high limit (Hi" field), low limit (Lo" field), and step

value (Step" field) will also be displayed. Skip to Step 4.

3. Enter the name of the variable, complete with the terminating

character that designates variable type, followed by Enter" or

<CR>.

The current value of the variable (Value" field), along with the

high limit (Hi" field), low limit (Lo" field), and step value (Step"

field) will be displayed.

4. Use

the up arrow to increment the value in the V

alue field and the

down arrow to decrement the value in the Value field by the Step

value.

1 2 ... 192 193 194 195 196 197 198 199 200 201 202 ... 297 298

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Rockwell-automation 57C620 AutoMax Programming Executive Version 3.8 Manual de usuario Pagina 197

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