<?xml version="1.0" encoding="utf-8"?>
<ManualTopic ID="/baanerp/cp/onlinemanual/000025" xml:lang="en">
   <Header>
      <Title>Plan units in Enterprise Planning</Title>
      <Keyword type="header" order="d1e197251">
         <Level1>Plan units</Level1>
         <Level2>Enterprise Planning</Level2>
      </Keyword>
   </Header>
   <GeneralSection>
      <Paragraph> 
         <Link href="/baanerp/cp/glossary/glossary#000004" role="glossary">Plan units</Link> are used to manage interdependencies that exist
      in constraint-based production planning. A plan unit groups plan items that
      must be planned together because of capacity or material constraints.</Paragraph>
      <Paragraph>Plan units are only
      necessary for <Link href="/baanerp/cp/glossary/glossary#000013" role="glossary">workload control</Link>.</Paragraph>
      <GeneralSection>
         <SectionTitle>How to define plan units</SectionTitle>
         <ProcedureList>
            <ListItem>Identify the main planning entities in a manufacturing
          facility. A planning entity usually consists of items that share a particular
          (bottleneck) resource, or items that share a particular (critical) material.</ListItem>
            <ListItem>Define each planning entity as a plan unit in the <GUIRef href="/baanerp/cp/rpd/cprpd6100m000" role="session">Plan Unit (cprpd6100m000)</GUIRef> session. Select the appropriate master-planning engine
          for the plan unit.</ListItem>
            <ListItem>Assign each item involved to a particular plan unit (in the <GUIRef href="/baanerp/cp/rpd/cprpd1100m000" role="session">Items - Planning (cprpd1100m000)</GUIRef> session).</ListItem>
         </ProcedureList>
      </GeneralSection>
   </GeneralSection>
   <RelatedTopics>
      <SectionTitle>Related topics</SectionTitle>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000300" role="manual">Enterprise Planning, an Overview</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000157" role="manual">Rules for defining plan units</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000003" role="manual">Workload control</Link>
      </RelTopic>
   </RelatedTopics>
</ManualTopic>