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George Moroses
/ Categories: Infor LX & BPCS Tips, Manufacturing

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

For many businesses, a high-powered ERP can streamline processes, increase efficiency, and strengthen the bottom line—at least in theory. In reality, some companies miss out on the opportunity to achieve greater ROI by overlooking a few fundamental truths about ERPs.

1. Implementation takes longer than usually anticipated.

2. Company buy-in and sufficient training can predict success.

3. Implementing the full range of features can make the difference between success and failure.

Can your ERP move with you into your next growth phase? Can it scale and flex as your business expands? Is your business making the most of your investment?

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Optimize Your Manufacturing Today!

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The Notes Maintenance feature is made up note programs that are accessible from a central location. The Note Text Maintenance (SYS555), Note Type Maintenance (SYS553) and Multi Language Notes Maintenance (SYS556) programs are all available as menu options.

Instead of having to go into separate programs to maintain note settings, the user can set up print options, specify user documents and customize user security levels for specific notes.

The Notes Maintenance feature provides a way to create, revise, delete, and copy note text that are categorized by note types. The print options in Notes Maintenance permit a user to define documents for which the note is intended. This includes base LX documents and custom documents. 

Finally, the notes program provides a way to define notes by assigning document types. For example, a document type can be created named “Invoice.” A note can then be defined to print on all invoice programs without requiring individual entry.

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Tips: LN | Baan

All actions required for converting, validating, matching, and posting electronically received bank statements can be performed within a single session:

  • Bank Statement Workbench (tfcmg5610m100)
  • Bank Statement (tfcmg5610m000)

Alternatively, you can use the sequence of electronic bank statement sessions outlined below.

Steps to Process Electronic Bank Statements:

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