Variables Guide

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1 • VARIABLES StnVATime(Station Name)— Total Value-Added Time. This variable returns the total value added time accrued for the activity area associated with the specified station. StnNVATime(Station Name)—Total Non-Value Added Time. This variable returns the total non-value added time accrued for the activity area associated with the specified station. StnTranTime(Station Name)—Total Transfer Time. This variable returns the total transfer time accrued for the activity area associated with the specified station. StnOtherTime(Station Name)—Total Other Time. This variable returns the total time categorized as “Other” accrued for the activity area associated with the specified station. StnWaitTime(Station Name)—Total Wait Time. This variable returns the total wait time accrued for the activity area associated with the specified station. StnTotalTime(Station Name)—Total Time. This variable returns the total time (the sum of all 5 time categories) accrued for the activity area associated with the specified station. StnVACost(Station Name)—Total Value Added Cost. This variable returns the total value-added cost accrued for the activity area associated with the specified station. StnNVACost(Station Name)—Total Non-Value Added Cost. This variable returns the total non-value added cost accrued for the activity area associated with the specified station. StnTranCost(Station Name)—Total Transfer Cost. This variable returns the total transfer cost accrued for the activity area associated with the specified station. StnOtherCost(Station Name)—Total Other Cost. This variable returns the total cost categorized as “Other” accrued for the activity area associated with the specified station. StnWaitCost(Station Name)—Total Wait Cost. This variable returns the total wait cost accrued for the activity area associated with the specified station. StnTotalCost(Station Name)—Total Cost. This variable returns the total cost (the sum of all 5 cost categories) accrued for the activity area associated with the specified station. 35
ARENA VARIABLES USER’S GUIDE Storage variable NSTO ( Storage ID )—Number of entities in storage. NSTO records the number of entities that are stored in the specified Storage ID. It is changed by the Store and Unstore modules and by Delay, Request, and Move modules that specify storages. NSTO is not user-assignable. Stack variables The following variables are used in conjunction with the Stack module. When a Stack Save operation is performed, the full set of internal time attributes and cost attributes is saved. (See “Attributes and entity-related variables ” on page 43.) The variables below are used to access those saved values. Diff.StartTime—Difference in saved start time. This returns the current start time (Entity.StartTime) minus the saved start time. This is commonly used for time in process. Diff.VATime—Difference in value-added time. This returns the amount of valueadded time that has accrued since the last Stack Save operation. Its value is the entity’s current value-added time minus the saved value-added time. Diff.VACost—Difference in value-added cost. This returns the amount of value-added cost that has accrued since the last Stack Save operation. Its value is the entity’s current value-added cost minus the saved value-added cost. Diff.NVATime—Difference in non-value-added time. This returns the amount of nonvalue-added time that has accrued since the last Stack Save operation. Its value is the entity’s current non-value-added time minus the saved non-value-added time. Diff.NVACost—Difference in non-value-added cost. This returns the amount of nonvalue-added cost that has accrued since the last Stack Save operation. Its value is the entity’s current non-value-added cost minus the saved non-value-added cost. Diff.WaitTime—Difference in waiting time. This returns the amount of waiting time that has accrued since the last Stack Save operation. Its value is the entity’s current waiting time minus the saved waiting time. Diff.WaitCost—Difference in waiting cost. This returns the amount of waiting cost that has accrued since the last Stack Save operation. Its value is the entity’s current waiting cost minus the saved waiting cost. Diff.TranTime—Difference in transfer time. This returns the amount of transfer time that has accrued since the last Stack Save operation. Its value is the entity’s current transfer time minus the saved transfer time. 36
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Variables Guide

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