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Kathy Barthelt

Infor LN & Baan Tips & Tricks for OPERATIONS: What is Statistical Inventory Control (SIC) and How Does It Work?

Statistical Inventory Control (SIC) is an inventory-controlled order system designed to maintain stock levels based on predefined thresholds, rather than being demand-driven like EP (Enterprise Planning). Since SIC relies on inventory levels, it may lead to higher stock levels. To minimize financial risks, SIC is best suited for:

  • Low-cost items.
  • Items with predictable demand or short lead times.


Applications of SIC

  • Low-Cost Items: Particularly effective for inexpensive goods.
  • Predictable Demand or Short Lead Time: Suitable when demand patterns are stable or lead times are minimal.
  • Warehouse-Specific Planning: Useful for planning by warehouse rather than across the supply chain.
  • Trading Industries: Commonly employed in sectors like supermarkets.
  • Immediate Demands: Effective for items required immediately by customers.
  • Ease of Use: Simple to implement and manage.


Limitations of SIC

  • Does not account for dependent demand from planned orders (e.g., MPS/MRP/INV).
  • Does not generate distribution orders.
  • Ignores time-phased planned orders.
  • Lacks forecast consumption techniques.
  • Uses both nettable and non-nettable warehouses.

How SIC Works

SIC operates based on the Reorder Point, Stock Levels, and Order Method.

Triggering SIC

When Economic Stocks (calculated as On-Hand Inventory + On-Order – Allocated Stocks) on the Horizon Date fall below the Reorder Point, SIC triggers the creation of:

  • Planned Purchase Advice.
  • Planned Production Advice.


Order Methods in SIC

The quantity for these advices is determined by the Order Method, which can be one of the following:

  • Replenish to Maximum Stock
  • Fixed Order Quantity
  • Economic Order Quantity (EOQ)
  • Lot-for-Lot

Example: SIC in a Supermarket

Scenario: Managing stock for Ice Cream (1 Kg Pack)

  • Current Stock: 10 PCs
  • Reorder Point: 5 PCs
  • Safety Stock: 2 PCs
  • Lead Time: 1 Day
  • Order Method: Replenish to Maximum (Maximum Stock: 20 PCs)
  • Maximum Anticipated Consumption: 3 PCs/Day

Process:

  1. Customer purchases reduce the stock.
  2. When stock reaches 5 PCs, SIC is triggered.
  3. A Purchase Advice is generated for 15 PCs to replenish stock to the maximum level (20 PCs).
  4. During the lead time (1 day), the remaining 3 PCs (excluding Safety Stock) meet customer demands.
  5. In emergencies, Safety Stock can also be utilized.

Statistical Inventory Control offers a practical approach for managing inventory levels, particularly in industries with predictable demand or fast-moving items. However, its limitations make it less ideal for complex or time-phased planning scenarios.

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Kathy Barthelt

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Tips:  LX | BPCS | M3

You can change your master schedule by specifying the type of master schedule update to perform. You can run a Net Change or Regenerative Schedule.

You also have the ability to clear the lower level requirements out of the Planned and Firm-Planned Order file.

This is a simple way to go from the customer order to making the order and shipping the order. It involves a few simple steps:

  1. Receive and enter the customer order
  2. Automatic credit review
  3. Automatic release of the shop order tied to the customer order
  4. Issue material, report labor to the production order receipt
  5. Pick the order, ship the order, invoice the customer

With lean, you can skip processing the demand through MRP. You can go directly from the customer order to the shop order creation.

FirstLast

Tips: LN | Baan

Users can personalize sessions and apply special formatting to the data displayed in sessions. The personalizations and formatting settings that are specified by the users are stored on the LN server. Administrators can maintain these settings.

  • Session personalizations

    Users can personalize sessions in various ways. users can, for example, hide fields, change labels, customize the toolbar, and move fields to another tab. Administrators can maintain the personalizations defined by the users. For example, an administrator can export personalizations to an XML file, import personalizations from an XML file, and copy personalizations to another user, to a DEM role, or to a company number.

  • Report personalizations

    You can use the Report Designer (ttstppersrep) to personalize the layouts and style of reports, without modifying the standard reports or using an external reporting solution. The changes are stored as personalizations.

    You can also generate new reports that are based on a selection of fields from the application data model. These reports are generated in the extensibility package. You can personalize these reports in the Report Designer (ttstppersrep), or modify them in Infor LN Studio.

    For details, see the Infor LN Report Designer Development Guide
     
  • Conditional formatting

    users can define conditions to apply special formatting to the data displayed in LN sessions. The users can define multiple conditions per session and different types of formatting, such as a specific color for particular fields or rows, and a warning symbol for particular rows. Administrators can maintain the formatting settings specified by the users and can define system-wide formatting settings.

  • If Finances is implemented, we recommend that you do not delete order data in a fiscal year that has not yet been fully closed. This is because the GRINYA process uses information that would be deleted by this action. For best results, check whether the logistical balance for non-invoiced receipts matches the balance of the GRINYA accounts for the periods up to which you want to delete purchase order data.
  • When a purchase order is canceled, you can only delete the purchase order and the related tables. If only a purchase order line is canceled, the line can be deleted and archived.

You cannot delete a purchase order (line) if:

  • The linked warehouse order is closed but cannot be removed.
  • The purchase order is linked to a PCS project that is not yet archived. When the PCS project is archived, the purchase data is also archived and you can delete the purchase order.
  • A consignment replenishment order is not yet consumed completely.
  • The invoice is yet to be completely matched and approved.
  • The invoice amount is not yet inserted as turnover history.
  • The sales order or service order that is linked to the purchase order line, and for which an internal invoice must be sent from the purchase office to the sales office or service office, is not yet invoiced. In this case, you cannot delete the purchase order line before the sales order or service order is invoiced.

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