<?xml version="1.0" encoding="utf-8"?>
<Session ID="/baanerp/cp/rpd/cprpd4120m000" xml:lang="en">
   <Header>
      <Title>Scenario - Periods (cprpd4120m000)</Title>
   </Header>
   <HelpTopic>
      <AimSection>
         <Paragraph>Use this session to define
		  and maintain <Link href="/baanerp/cp/glossary/glossary#000109" role="glossary">plan periods</Link> for the
		  specified <Link href="/baanerp/cp/glossary/glossary#000007" role="glossary">scenario</Link>.</Paragraph>
      </AimSection>
      <GeneralSection>
         <Paragraph>Define the plan
		  periods between the dates specified in the <GUIRef href="/baanerp/cp/rpd/cprpd4100m000#cprpd400.plsd" role="manual">Scenario Start Date</GUIRef> field and the <GUIRef href="/baanerp/cp/rpd/cprpd4100m000#cprpd400.plfd" role="manual">Scenario Finish Date</GUIRef> field in the <GUIRef href="/baanerp/cp/rpd/cprpd4100m000" role="session">Scenarios (cprpd4100m000)</GUIRef> session.</Paragraph>
         <Paragraph>Define plan periods
		  for every scenario, even if you only use <Link href="/baanerp/cp/glossary/glossary#000060" role="glossary">order planning</Link>.</Paragraph>
         <List>
            <ListIntro>The planning works best if you follow these
			 recommendations:</ListIntro>
            <ListItem>Do not define more
			 than 50 plan periods.</ListItem>
            <ListItem>If you define plan
			 periods of unequal size, the larger plan periods preferably should be an
			 integer multiple of the smaller plan periods. For example, plan periods of 3
			 days, 6 days, and 24 days work better than plan periods of 4 days, 7 days, and
			 30 days.</ListItem>
         </List>
         <Note>
            <SectionTitle>Note</SectionTitle>
            <Paragraph>Changes in the
			 plan-period definition take effect after you update the master plans by means
			 of the <GUIRef href="/baanerp/cp/rpd/cprpd4200m000" role="session">Initialize, Roll, and Update Scenario (cprpd4200m000)</GUIRef> session.</Paragraph>
         </Note>
      </GeneralSection>
      <RelatedTopics>
         <SectionTitle>Related topics</SectionTitle>
         <RelTopic>
            <Link href="/baanerp/cp/onlinemanual/000150" role="manual">To use a rolling scenario</Link>
         </RelTopic>
      </RelatedTopics>
   </HelpTopic>
   <Fields>
      <FieldHelp ID="cprpd420.plnc">
         <Header>
            <Title>Scenario</Title>
         </Header>
         <FuncDesc>The identification of an overall planning solution.</FuncDesc>
         <SimpleSection>
            <Paragraph>Each scenario represents one overall planning solution, and
		  involves particular settings for the planning of items and resources. You can
		  use scenarios to analyze and compare various planning options and to find the
		  best planning solution. For example, you can vary demand forecasts or sourcing
		  strategies.</Paragraph>
            <Paragraph>One of the scenarios is the actual scenario, which
		  corresponds with the actual planning situation. You can only transfer planned
		  orders and production plans from the actual scenario to the execution level of LN.</Paragraph>
         </SimpleSection>
      </FieldHelp>
      <FieldHelp ID="cprpd420.senr">
         <Header>
            <Title>Sequence Number</Title>
         </Header>
         <FuncDesc>The <Link href="/baanerp/tc/glossary/glossary#SequenNumber_tc" role="glossary">sequence number</Link> of the <Link href="/baanerp/cp/glossary/glossary#000109" role="glossary">plan period</Link> defined for the <Link href="/baanerp/cp/glossary/glossary#000007" role="glossary">scenario</Link>.</FuncDesc>
         <RelatedTopics>
            <SectionTitle>Related topics</SectionTitle>
            <RelTopic>
               <Link href="/baanerp/tc/glossary/glossary#SequenNumber_tc" role="glossary">sequence number</Link>
            </RelTopic>
         </RelatedTopics>
      </FieldHelp>
      <FieldHelp ID="cprpd420.pety">
         <Header>
            <Title>Period Type</Title>
         </Header>
         <FuncDesc>Select <Emphasis>Day</Emphasis>, <Emphasis>Week</Emphasis>, or <Emphasis>Month</Emphasis> from the pull-down menu as the unit of time for the
		  plan periods.</FuncDesc>
         <SimpleSection>
            <Paragraph>This is also the
			 value by which LN shifts the
			 plan periods,
			 if you select <GUIRef href="/baanerp/cp/domains/rpd.pest#rolling" role="option">Rolling</GUIRef> in the <GUIRef href="/baanerp/cp/rpd/cprpd4120m000#cprpd420.pest" role="manual">Period Start</GUIRef> field.</Paragraph>
         </SimpleSection>
      </FieldHelp>
      <FieldHelp ID="cprpd420.perl">
         <Header>
            <Title>Period Length</Title>
         </Header>
         <FuncDesc>If you selected <Emphasis>Days</Emphasis> in the <GUIRef href="/baanerp/cp/rpd/cprpd4120m000#cprpd420.pety" role="manual">Period Type</GUIRef> field, you must define the length of the <Link href="/baanerp/cp/glossary/glossary#000109" role="glossary">plan period</Link> in calendar days
		  in this field.</FuncDesc>
      </FieldHelp>
      <FieldHelp ID="cprpd420.nope">
         <Header>
            <Title>Number of Periods</Title>
         </Header>
         <FuncDesc>The number of consecutive plan periods, the length of which is
		  defined by means of the <GUIRef href="/baanerp/cp/rpd/cprpd4120m000#cprpd420.perl" role="manual">Period Length</GUIRef> field.</FuncDesc>
      </FieldHelp>
      <FieldHelp ID="cprpd420.pest">
         <Header>
            <Title>Period Start</Title>
         </Header>
         <FuncDesc>Select one of the options from the pull-down menu to specify
		  how LN must determine the period start date.</FuncDesc>
         <SimpleSection>
            <Paragraph>The way LN determines the start date of the
			 plan period
			 not only depends on the setting of the <GUIRef href="/baanerp/cp/rpd/cprpd4120m000#cprpd420.pest" role="manual">Period Start</GUIRef> field, but also on whether or not the
			 scenario is a <Link href="/baanerp/cp/glossary/glossary#000006" role="glossary">rolling scenario</Link>.</Paragraph>
            <Paragraph>If you selected the <GUIRef href="/baanerp/cp/rpd/cprpd4100m000#cprpd400.ropl" role="manual">Rolling Scenario</GUIRef> check
			 box in the <GUIRef href="/baanerp/cp/rpd/cprpd4100m000" role="session">Scenarios (cprpd4100m000)</GUIRef> session, LN shifts the scenario forward in time when the value
			 of the current date is higher than the sum of the <Link href="/baanerp/cp/glossary/glossary#000022" role="glossary">reference date</Link> and the <Link href="/baanerp/cp/glossary/glossary#000021" role="glossary">rolling frequency</Link>. LN then shifts the scenario forward in time by the value of
			 the rolling
			 frequency.</Paragraph>
            <Paragraph>When LN rolls
			 the scenario, it
			 updates the dates of the <Link href="/baanerp/cp/glossary/glossary#000109" role="glossary">plan periods</Link> and
			 redistributes the master-plan quantities over the new <Link href="/baanerp/cp/glossary/glossary#000109" role="glossary">plan periods</Link>.</Paragraph>
            <Paragraph>The
			 rolling
			 scenario functionality applies to the entire
			 scenario, whereas
			 the setting of the <GUIRef href="/baanerp/cp/rpd/cprpd4120m000#cprpd420.pest" role="manual">Period Start</GUIRef> field only applies to the way that LN determines the start
			 date of a period with regard to the current date.</Paragraph>
            <Paragraph>If you select a day
			 of the week or a date of the month, LN only changes the master-plan
			 quantities of the first plan period, as the current date
			 advances. LN leaves the rest of the
			 plan periods
			 untouched.</Paragraph>
            <Paragraph>If you select <GUIRef href="/baanerp/cp/domains/rpd.pest#rolling" role="option">Rolling</GUIRef> in the <GUIRef href="/baanerp/cp/rpd/cprpd4120m000#cprpd420.pest" role="manual">Period Start</GUIRef> field, LN shifts the
			 plan periods
			 forward in time from the current date by the value of the <GUIRef href="/baanerp/cp/rpd/cprpd4120m000#cprpd420.pety" role="manual">Period Type</GUIRef> field, and redistributes the master-plan quantities over the
			 shifted plan
			 periods.</Paragraph>
            <List>
               <ListIntro>The options that you can select are determined by the
				value of the <GUIRef href="/baanerp/cp/rpd/cprpd4120m000#cprpd420.pety" role="manual">Period Type</GUIRef> field:</ListIntro>
               <ListItem>If you selected <GUIRef href="/baanerp/cp/domains/rpd.pety#day" role="option">Day</GUIRef>, LN defaults the <GUIRef href="/baanerp/cp/rpd/cprpd4120m000#cprpd420.pest" role="manual">Period Start</GUIRef> field to <GUIRef href="/baanerp/cp/domains/rpd.pest#rolling" role="option">Rolling</GUIRef>.</ListItem>
               <ListItem>If you select <GUIRef href="/baanerp/cp/domains/rpd.pety#week" role="option">Week</GUIRef>,
				you can select <GUIRef href="/baanerp/cp/domains/rpd.pest#rolling" role="option">Rolling</GUIRef> or a specific
				day of the week.</ListItem>
               <ListItem>If you select <GUIRef href="/baanerp/cp/domains/rpd.pety#month" role="option">Month</GUIRef>,
				you can select <GUIRef href="/baanerp/cp/domains/rpd.pest#rolling" role="option">Rolling</GUIRef> or a specific
				day of the month.</ListItem>
            </List>
         </SimpleSection>
         <RelatedTopics>
            <SectionTitle>Related topics</SectionTitle>
            <RelTopic>
               <Link href="/baanerp/cp/onlinemanual/000044" role="manual">Scenarios in Enterprise Planning</Link>
            </RelTopic>
            <RelTopic>
               <Link href="/baanerp/cp/onlinemanual/000302" role="manual">Plan periods in Enterprise Planning</Link>
            </RelTopic>
         </RelatedTopics>
      </FieldHelp>
   </Fields>
   <FormCommands>
      <CommandHelp ID="start.renumbering">
         <Header>
            <Title>Renumber</Title>
         </Header>
         <FuncDesc>Starts the renumbering.</FuncDesc>
      </CommandHelp>
   </FormCommands>
</Session>