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E1: 34: R3482 & R3483 MRP Manufacturing Planning FAQs (Doc ID 627285.1)

Last updated on AUGUST 23, 2021

Applies to:

JD Edwards EnterpriseOne Requirements Planning - Version XE and later
Information in this document applies to any platform.
System Code: 34-Requirements Planning
P3413 - MPS Time Series
P3109 - Enter/Change Rate Schedule
R3482 - MRP/MPS Requirements Planning and R3483 - Master Planning Schedule - Multiple Plant


This document provides answers to frequently asked questions about R3482 or R3483 MRP (Manufacturing or Requirements Planning), and supplements E1: 34: R3482/R3483 Understanding & Use of Material Requirements Planning (MRP) (Doc ID 2252184.2) and existing Implementation Guides from all releases Document 1109575.1.

For performance concerns see E1: 34: R3482 & R3483 Performance Checklist Document 626043.1.

Questions and Answers

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In this Document
Questions and Answers
 Question 1.  What causes the planning system to write the "Shop Floor Calendar Not Set Up" message for an item?
 Question 2.  When planning a process item, does the system create messages for all of the co-products?
 Question 3.  How does the planning system know what kind of rate to create (daily, weekly, monthly)?
 Question 4.  What do the letters next to the dates on the Time Series represent?
 Question 5.  Why do demand messages exist for items whose Stocking Types changed from M to P?
 Question 6.  Can negative on-hand quantity be treated as 0 (zero)?
 Question 7.  How does MRP use the LMFG or KBIT fields in the F4102?
 Question 8.  Does MRP run over BOM and Routing type different than M?
 Question 9.  Why does MRP not use all available quantities in Supply Branches before increasing an existing Purchase Order in the Demand Branch?
 Question 10.  Is there a way to exclude Sales Orders with a specific Order Hold from Planning (MRP)?
 Question 11.  Is is possible to have selective planning of components?  
 Question 12.  Does MRP Messages P3411 use Change Order Number (SFXO) to determine which line of a purchase order to update when the message is processed?
 Question 13.  Which date does MRP consider when there are two different dates on the Order Header and Detail of a Sales Order?
 Question 14.  Can MRP (R3483) be used to plan across several companies?

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