Response Electronics CL6011B Spécifications télécharger pdf (Page 282)

AĆ6 Appendix A: Loading and Sizing Calculations

Original Ć June 1990CE4.2:CL6211

6. Multiply the number of FST steps defined in the FST section of

configuration by 6.6. Record the result.

7. Add the figures recorded in steps 1 through 6 to obtain the

approximate RAM usage. If the total does not exceed 1328 for a

computing controller, or 6848 for an interactive controller, the controller is

adequately sized. If the total exceeds these values, check your

calculations for correctness. If the calculations are correct, take one or

more of the following actions:

H If the total is only a little higher than the maximum (about 5 percent), the

configuration may still be acceptable. If possible, try it out by performing

configuration entry (see the system user manual) and then downloading

it into a controller of the same type for which the configuration is

intended.

H Delete any general register cross references and operating data cross

references that are not needed (subtract 2 from the total for each cross

reference that you delete).

H Delete any general registers (subtract 5 for each one deleted), general

or required.

H Reduce the number of steps in the FST or the number of any other

configuration items.

H If a computing controller is being sized, use a 2-wide interactive

controller instead.

H If an interactive controller is being sized, place part of the control strategy

into a computing controller, or into another interactive controller.

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Response Electronics CL6011B Spécifications Page 282