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6 • THE FLOW PROCESS PANEL<br />

PROMPTS<br />

Prompt<br />

Description<br />

Name<br />

Maximum Rate Assignments:<br />

Regulator Type<br />

Regulator Name<br />

Regulator Set Name<br />

Set Index<br />

Attribute Name<br />

Expression<br />

New Maximum Rate<br />

Units<br />

The module description.<br />

Indicates how the regulator will be specified; defined as<br />

Regulator, Regulator Set, Attribute, or Expression.<br />

Name of the regulator.<br />

Name of the regulator set that contains the regulator.<br />

Index into the regulator set.<br />

Name of the attribute that stores the regulator name.<br />

Expression that evaluates to the regulator name.<br />

The new maximum rate.<br />

Time units of new maximum rate.<br />

Seize Regulator module<br />

DESCRIPTION<br />

A tank regulator may be used for only one flow operation at any given time.<br />

The Seize Regulator module allocates one or more regulators to an entity. When an<br />

entity enters this module, it waits in a queue until all specified regulators are available<br />

simultaneously. An allocated regulator is released by an entity using the Release<br />

Regulator module.<br />

TYPICAL USES<br />

• Controls ownership of regulators and avoids multiple entities trying to use the<br />

same regulator in a Flow module simultaneously<br />

• Chooses from a set of alternative regulators using a selection rule<br />

115

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