Rockwell Automation FactoryTalk Scheduler Users Guide - Manual (Page 105)

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generated to produce components or subassemblies to-stock that are required for
manufacturing orders for finished products.
Manufacturing Order Plan—an actual plan for manufacturing an order in the facility.
The manufacturing order plan is comprised of a collection of operations that define
the detailed work for operations to be performed, as well as actual data on operations
that have been completed. The manufacturing order plan is an order-specific and
expanded version of the process plan for a product.
Manufacturing Resource Planning (MRPII)—an extension of MRP and consists of a
set of methods for effectively planning the requirements for all resources and
materials for manufacturing.
Master Production Schedule (MPS)—the anticipated build schedule for a company,
expressed in specific configurations, quantities, and dates. The MPS data drive the
MRP system.
Material—a changeable quantity of stock that represents finished product, raw material,
component parts, consumables, subassemblies, etc., that can be consumed or produced
at each phase of an operation. Material has an associated stock level that increases and
decreases with consumption and production and also increases with the external
purchase of material. Material can be manufactured or purchased; material that can be
manufactured has an associated process plan that defines the job segments required to
produce the material.
Material Actions—defined within the segment data for an operation, it specifies the
consumption or production of material at specific phases.
Material Arrivals—scheduled external arrivals of additional material.
Material Requirements Planning (MRP)—a set of techniques that uses bill of material
data, inventory data, and the master production schedule to calculate requirements for
material and to generate manufacturing orders for release to the factory.
Net Requirements—calculated by an MRP system as the net requirements for material,
parts, or assemblies and is computed as a result of combining gross requirements and
allocations against inventory on hand, scheduled receipts, and safety stock. Net
requirements are then consolidated into planned orders based on lead times and
economic order quantities.
Netting—the process within MRP of calculating net requirements.
Operation—work performed on a production lot at a work cell. An operation is defined
by an order-specific job step record that is created by making a copy of the informa-
tion in the job segment from the product’s process plan and augmenting it with addi-
tional parameters to maintain actual schedule information.