Batch Storage (Discrete, by Area): Oper. Conds Tab

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Variable Definitions, Ranges and Default Values

The following table shows a brief description of the variables appearing in this tab. The table also displays their default values and their generally acceptable range:

Variable

Default Value

Range

 

Setup Time (min)
The amount of time (per cycle) spent before each operation is carried in preparation for the actual execution of the operation. It may involve actions like cleaning, vacuuming, setting up of equipment, etc. which the user opted not to model explicitly.

0.0

Positive

Process Time (min)
The actual duration of the operation (per cycle).

60.0

Positive

Ignore Labor?
Check this box to ignore labor for this operation. This option is used only if the process time is set by a master-slave relationship.

Yes

Yes/No

Symbol Key: User-specified value (always input); Calculated value (always output); Sometimes input, sometimes output

Specification Choices / Comments

The following list describes the available specification choices in this tab; for more details on how these are implemented, see Batch Storage (Discrete, by Area): Modeling Calculations.

Duration Options...

In a storage operation, you have the option to either set the duration of the operation or allow the duration to match exactly the duration of another operation either in the same procedure or in another procedure.

If you choose to match the duration of this operation with the duration of another operation you introduce a master-slave relationship between the two operations. The program will match the setup-time, the process time and the turnaround time of this operation (the ‘slave’) with the corresponding times of the reference operation (the ‘master’ operation). For more on master-slave relationship, see The Scheduling Tab.