available-to-promise (ATP) 和 capable-to-promise (CTP)

来源:百度知道 编辑:UC知道 时间:2024/05/12 17:41:20
请解释( 不是翻译)这两个概念

ATP
www.bpic.co.uk/jargon.htm

Stock or planned Stock not committed to a firm customer order. ATP is shown on the Master Schedule and is used to make delivery promises to customers. It is calculated by subtracting from each point of supply (master schedule receipt) actual customer's orders up to the next point of supply. The Quantity on Hand is added to or taken as a point of supply for the first time period. Negative quantities are carried back to earlier weeks. MRP Ltd. does not recommend accumulating available to promise.

CTP
http://help.sap.com/bp_scmv140/BBLibrary/HTML/CapabletoPromise.htm

The functions delivered with the building block Capable-to-Promise (CTP) enable you to perform a machine capacity check in SAP APO when a sal