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<ManualTopic ID="/baanerp/cp/onlinemanual/000085" xml:lang="en">
	<Header>
		<Title xmlns:ssa="http://www.ssaglobal.com" xmlns:HTML="http://www.w3.org/TR/REC-html40">Channel ATP periods</Title>
		<Keyword><Level1>Channel ATP periods</Level1>
		</Keyword>
	</Header>
	<GeneralSection><Paragraph>You can enter the <Link href="/baanerp/cp/glossary/glossary#000025" role="glossary">allowed demand</Link> per <Link href="/baanerp/cp/glossary/glossary#000109" role="glossary">plan period</Link> for an item in the <GUIRef href="/baanerp/cp/dsp/cpdsp5130m000" role="session">Channel Master Plan (cpdsp5130m000)</GUIRef> session, but SSA ERP checks the <Link href="/baanerp/cp/glossary/glossary#000037" role="glossary">channel ATP</Link> per channel ATP period.</Paragraph>
		<Paragraph>You can define the channel ATP periods in the <GUIRef href="/baanerp/cp/dsp/cpdsp5100m000" role="session">Plan Item - Channels (cpdsp5100m000)</GUIRef> session.</Paragraph>
		<GeneralSection><SectionTitle>Channel ATP period length</SectionTitle>
			<Paragraph>Enter the channel-ATP-period length in the <GUIRef href="/baanerp/cp/dsp/cpdsp5100m000#cpdsp500.perl" role="formfield">ATP Period Length</GUIRef> field of the <GUIRef href="/baanerp/cp/dsp/cpdsp5100m000" role="session">Plan Item - Channels (cpdsp5100m000)</GUIRef> session. A channel ATP period is defined in calendar days. The channel ATP periods have a fixed length over the total planning horizon.</Paragraph>
			<Paragraph>As a rule, a channel ATP period comprises several plan periods.</Paragraph>
		</GeneralSection>
		<GeneralSection><SectionTitle>Reference date</SectionTitle>
			<Paragraph>You can specify a reference date in the <GUIRef href="/baanerp/cp/dsp/cpdsp5100m000#cpdsp500.rfdt" role="formfield">Reference Date</GUIRef> field of the <GUIRef href="/baanerp/cp/dsp/cpdsp5100m000" role="session">Plan Item - Channels (cpdsp5100m000)</GUIRef> session. This reference date indicates when the first channel ATP period must start. If you do not specify a reference date, the first channel ATP period starts on the start date of the <Link href="/baanerp/cp/glossary/glossary#000007" role="glossary">scenario</Link>.</Paragraph>
		</GeneralSection>
		<ExampleSection><SectionTitle>Example</SectionTitle>
			<List><ListIntro>You use the following settings:</ListIntro>
				<ListItem>Reference date: Jan. 1</ListItem>
				<ListItem>Channel ATP period length: 28 days. As a result, the first ATP period is: Jan. 1 - Jan. 28.</ListItem>
			</List>
		</ExampleSection>
		<GeneralSection><SectionTitle>Channel ATP</SectionTitle>
			<Paragraph>SSA ERP accumulates the allowed demand of all plan periods with a start date in the same channel ATP period. Customer orders can be accepted for a channel, until all of the channel ATP in a channel ATP period has been used up.</Paragraph>
		</GeneralSection>
	</GeneralSection>
	<RelatedTopics><SectionTitle>Related topics</SectionTitle>
		<RelTopic><Link href="/baanerp/cp/onlinemanual/000080" role="manual">Channels in Enterprise Planning</Link>
		</RelTopic>
		<RelTopic><Link href="/baanerp/cp/onlinemanual/000125" role="manual">Channel ATP</Link>
		</RelTopic>
	</RelatedTopics>
</ManualTopic>
