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George Moroses

Infor LX & BPCS Manufacturing Tip of the Week: Backward Scheduling

Operations are automatically backward scheduled at shop order release time. The backward scheduling algorithm starts with the shop order due date and schedules each operation based upon the standard move and queue times in the routings and the number of days the job is expected to run at standard. The system calculates and stores the operation scheduled start date. The dates may be modified by the shop order maintenance program. The number of days that a job is expected to run an operation is dependent upon the available capacity for that work center and the total hours scheduled for that operation.

The backward scheduling algorithm also considers the shop calendar for weekends, shutdowns, holidays, and partial days.

Backward Scheduling Process

The algorithm starts with the due date of the shop order or planned order. The system makes the following calculations for each operation in the reverse sequence:

  1. The number of move days is subtracted from the due date (or initial date of the previous operation) to get the due date for this operation. The move days are only used on valid shop calendar days.
  2. The system uses the following calculation for the number of clock hours for the operation: Standard run or machine hrs/No. of operators + setup hours
  3. The number of clock hours is spread over the available daily capacity of the work center for those given days. The system uses the following calculation for the daily capacity of the work center: Number of shifts x hours per shift x average efficiency/100
  4. Each day is checked against the shop calendar; the calculation bypasses inactive days or adjusts for any changes in the work center capacity for that day.
  5. Queue time days are subtracted in the same manner as move time days. The resulting date is the operation start date.

The algorithm then goes to the previous operation. When all operations have been included, the resulting date is the scheduled start date of the shop order. Note that MRP uses the item lead time to determine material requirement dates on planned orders.

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Tips:  LX | BPCS | M3

Orders that are on credit hold, customer hold, user hold, margin hold, credit card hold or pricing hold cannot be selected for Pick Release or Pick Confirm. The ORD952B, Orders Not Selected Report, can be requested at Pick Release or Pick Confirm to list any order that would normally qualify for selection, but has been excluded for other reasons, and to print that reason. ORD952B has been modified to validate the hold status of the original customer order, and to print a reference to the original customer order along with the reason.

Enterprise General Ledger (EGL) provides audit attributes to track journal entry changes and approvals.

To implement this enhancement, you can request and apply MR 81026.

This enhancement provides audit attributes for the last maintained user, date, time, and approval user, and date, and time on the Financial Journal Entry and Financial Journal Entry Lines. This audit function provides visibility to who and when the journal was last maintained and to who and when the journal was approved.

The programs or areas impacted include:

  • Financial Event
  • Financial Journal Entry
  • Financial Journal Entry Line
  • Financial Journal Entry Detail Line
  • Post Multiple Events
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Tips: LN | Baan

A serialized item is a physical occurrence of a standard item that is given a unique lifetime serial number. This enables tracking of the individual item throughout its lifetime, for example, through the design, production, testing, installation, and maintenance phases. A serialized item can consist of other serialized components.

In Service, a serialized item can be a customer-specific or owner-specific installation. Installation groups are a group of installations/serialized items such as photocopiers, computers, air conditioners, forklifts, lathe machines, and even aircraft.

A serialized item is identified by both the item code and serial number. You can set up the mask used to generate the serial numbers so the serial number includes some fields of the item data, such as the item group and the manufacturer.

In a multi-company structure, the companies can share the serialized item data. All the service departments in the various companies can refer to the same serialized items.

The serialized item can originate from a sales order or a project. The details of a serialized item indicate their origin, for example, by using specific sets of serial numbers for items that originate from sales orders and from projects. Serialized items can also originate from an as-built structure or directly from the production bill of material in Manufacturing.

In Service...

Are you striving to create shipping labels that cater to all your customers' needs? Do you require specific details on your shipping labels for particular items or product lines?

According to recent research, the global barcode label printer market was valued at $2.6 billion in 2022 and is estimated to reach $4.3 billion by 2032, exhibiting a CAGR of 5.2% from 2023 to 2032.

Crossroads RMC's RMClabel software automates the printing of customer-specific and item-specific labels...

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