Watlow Series 920 Microprocessor-Based Ramping Control Manuel d'utilisateur télécharger pdf (Page 19)

WAITFOR

Process Variable

(WPV).

When equal, the HOLD LED stops flashing.

Your program then continues to the last step, a STOP step, and HOLD

again.

To change a programmed step, return to the PROGRAM menu, and enter the FILE

and STEP number to change.

Use the UP/DOWN keys to select another step type

and press ENTER. Under a step type, to clear all parameters of the current values,

return to that step type and press ENTER. All parameters will return to

their

defaults.

Running Your Series 920

To run the Series 920, you must be

one of the three main level operating parameter

menus, SYSTEM, PROGRAM, or SETUP. Press the RUN/HOLD key. The Series 920

asks you what file

you’d like

to run, and asks what step to begin with. After entering

the file and step number, the program begins and the RUN LED is lit. While in the

RUN mode, you can only view the current file and step.

To change your program, you must be in the HOLD mode. To

stop your

program

any time, press HOLD. When returning to your program, the Series 920 asks if

you’d

like to RESUME? on the step you left off on. Trying to RESUME on a file that has

been changed, generates an

“ER2

0040”; this is a “Change File Error.” Advance to

the START prompt and begin the program again.

When in the PROGRAM menu, SP is programmed to the steps ending set point.

When in

the

RUN mode it shows the current set point. In the RUN mode, SE

shows

the steps ending set point. Refer to Pages

52 for definitions of other prompts.

Figure 8

RUN Key Flow

Diagram.

At the SYSTEM prompt,

pressm

to continue to PROGRAM mode.

Press

to enter the PROGRAM parameter values, or

press

to continue to SETUP.

Graphics Key

MODE Key

ENTER Key

aa=

UP/DOWN

One of the three step types will be displayed

depending on the type of step

PROGFMMmed.

JUMPLOOP, STOP, and LINK step types are immediate, and will not be visible.

NOTE:

Shaded parameters

may not

appear on

your control.

These

parameters are

dependent on how

your control is

configured. See

Chapter 6 for more

information.

Sample Program, Chapter 3

WATLOW

Series 920 User’s

ManuaI

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Watlow Series 920 Microprocessor-Based Ramping Control Manuel d'utilisateur Page 19

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