Understanding of the relevant ERP system terminology and concepts is important
if an ERP software package is to be sucessfully implemented within a business
and operated correctly such that it yields cost savings, better quality management
information and the other efficiencies and benefits that you are hoping for.
To aid with this understanding of ERP system terminology and concepts we
are compiling a list of ERP terms and their associated definitions which
is being made
available to companies with an interest in ERP - if you want to add to this
list of ERP concepts then please complete the form at the bottom of this
page.
The table below lists the main ERP system concepts that start with letter
P and their definitions - we hope you find them useful and wish
you every success with
your ERP software
system implementation! To learn about other ERP system concepts, terminology
and definitions click the relevant letter from the list below:
ERP
Software Concepts and Terms Starting with: P |
ERP Concept |
ERP Term Definition |
| Pareto analysis |
Synonym for ABC analysis. Classifies items into different categories depending on their annual usage. |
| Part family |
Set of parts that require similar machinery, tooling, machining operations, and jigs and fixtures. |
| Part master record |
Record for an item containing descriptive data, control values (lead times, order quantities etc.) and other information. Synonym: Item master record. |
| Part number |
A number which serves to uniquely identify a part. |
| Parts reference file |
Organises parts into families and contains interchangeability and upgradeability information |
| Parts requisition |
An authorisation that identifies the item and quantity required to carry out a task. |
| Pegged requirements |
A requirement which shows the next level parent item (or customer order) as the source of the demand, (i.e. by using the where-used capability from the BOM). |
| Pegging |
In MRP and MPS, the capability to identify for a given item the sources of its gross requirements and / or allocations. Pegging can be thought of as active where-used information. |
| Performance evaluation |
Process of measuring performance for the purposes of feedback and reporting. |
| Period order quantity |
A lot sizing technique under which the lot size is equal to the net requirements for a given number of periods. |
| Phantom BOM |
Subassemblies which are rarely stocked. MRP drives requirements straight through the phantom item to its components (blow-through). |
| Phase-in -out part |
Engineering changes result in old parts being substituted by new ones |
| Picking list |
A document used to pick manufacturing or shipping orders, listing the components and quantities required. |
| Planned cost |
The estimated cost of a particular product. |
| Planned orders |
A suggested order quantity, release date, and due date created by the planning system's logic when it encounters net requirements in processing MRP. |
| Planned queue time |
Is the expected time that an on-schedule order will wait in the work centre before processing |
| Planned receipts |
An anticipated receipt against an open purchase order or open production order. |
| Planning |
The consideration of actions to be taken in the event of some expected scenario or occurrence happening in the future. |
| Planning BOM |
An artificial grouping of items or events in BOM format which is used to facilitate master scheduling or material planning |
| Planning horizon |
The amount of time the master schedule extends into the future. |
| Planning yield |
An MRP / MPS planning parameter used to adjust requirements to take account of the expected yield (See Yield). |
| Potential future market |
An estimate of how the possible demand for a product (size, customers etc.) may develop in the medium to long term |
| Preventative maintenance |
Activities, including adjustments, replacements, and basic cleanliness, that forestall machine breakdowns. The purpose is to ensure that production quality is maintained and that delivery schedules are met. |
| Pricing |
Process of determining the sales price of a product line or a special. |
| Priority control |
The process of communicating start and completion dates to manufacturing departments in order to execute a plan. The dispatch list is the tool normally used to provide these dates and priorities based on the current plan and status of all open orders. |
| Process based layout |
"Conventional" style of plant layout, i.e. a facility configuration in which operations of a similar nature or function are grouped together. |
| Process manufacturing |
Continuous, dedicated production of large amounts of bulk product, for example, paint, chemicals etc. |
| Process planning |
Definition of production operations required to make an item from start to finish. |
| Process sheet |
Contains part information, routing information and operation detail information. |
| Product costing |
The activity of determining the cost associated with a particular product. |
| Product families |
A group of products with similar characteristics, often used in production planning. |
| Product features / options |
A distinctive characteristic of a product or service. |
| Product life cycles |
Introduction, growth, maturity, saturation and decline are the main phases in a product's life cycle. |
| Product line |
A group of products whose similarity in manufacturing procedures, marketing characteristics, or specifications allows them to be aggregated for planning, marketing or costing. |
| Product load profile |
A listing of the required capacity and key resources needed to manufacture one unit of a selected item or family. The resources requirements are further defined by a lead-time offset to predict the impact of the product on the load of the key resources b |
| Product specification |
A statement of acceptable characteristics that distinguish one product from another. |
| Product structure file |
Containing BOM data for products. |
| Production activity control |
System for utilising data from the shop floor to maintain status information on shop orders and work centres |
| Production classification |
Categorisation of production approaches, i.e. job shop, intermittent, repetitive and process are example production types. |
| Production kanbans |
Define the quantity of the specific part that the producing work centre should manufacture in order to replace those which have been removed by the downstream work centres |
| Production plan |
Derived from the detailed sales forecast, it balances market demand with company resources (developed by operating management). |
| Production planning |
The process of creating an overall production plan for the factory, over a specified time horizon |
| Production scheduling |
The allocation of resources to the manufacture of the parts to be produced. |
| Productivity |
Ratio of output to input. |
| Program evaluation and review technique (PERT) |
A network planning technique for the analysis of a project's completion time. |
| Progress reporting |
Reporting of the actual current state of an activity. |
| Project management |
The use of skills and knowledge for co-ordinating the organisation, planning, scheduling, directing, controlling, monitoring and evaluating of prescribed activities to ensure that the stated objectives of a project are achieved. |
| Projected available balance |
An inventory balance projected into the future. It is the running sum of on-hand inventory minus requirements plus scheduled receipts and planned orders. |
| Pseudo BOM |
An artificial grouping of items that facilitates planning. |
| Pull |
Material flow system whereby work centres are only authorised to produce when they have been signalled that there is a need for more parts in a downstream department. |
| Purchase order |
The purchaser's authorisation used to formalise a purchase transaction with a supplier. |
| Purchase requisition |
An authorisation to the purchasing department to purchase specified materials in specified quantities within a specified time. |
| Purchasing |
Activity responsible for acquiring purchased materials. |
| Purchasing service level |
Is a measure applied to assess the performance of the Purchasing function, i.e. in terms of on-time delivery, purchase-part quality, cost etc. |
| Push |
System whereby future forecasts of demand are used to generate the requirements for lower level items and work pushed through the shop floor in the expectation that it will be completed by the required due date. |
There are many factors that are deemed to be critical to the success of
an ERP software implementation. Ensuring that you have gone through an effective
ERP system selection process is one essential ingredient to success and other
ingreients would be issues such as data accuracy (BOMs, inventory records,
routings etc.) However, the 'softer' issues associated with ERP software
implementation process are often ignored by companies attempting an ERP implementation
often with disastrous consequences. Soft implementation issues include: the
people in the organisation, their fears, motivation (or lack of it!), resistance
to change and the prevailing culture within the organisation - all have their
parts to play in the ERP implementation process.
Communication and overt committment to the ERP implementation project by
senior management are crucial to ERP system implementation success. Similarly,
adequate and timely education and training of key personnel helps to reduce
fear, increase understanding and can be used to sway a critical mass of people
to being behind the ERP implementation and working to make the implementation
a success. The ERP system Concepts and Terms listed and defined on this page
can be used for reference to help ensure that people in companies attempting
an ERP package installation and implementation are conversant with the main
ERP ideas and terminology associated with ERP software systems and their
use.
If you would like to add an ERP concept and definition or you want to make
a general comment about this page of ERP system concepts and terms or have
any questions about ERP software selection or ERP system implementation then
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