Data Historians & ERP
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Transcript of Data Historians & ERP
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Data Historians vs. ERP Systems
See why both solutions play an integral role in manufacturing environmentsand areessential to optimizing process performance.
Its easy to be confused as to what roles an Enterprise Resource Planning (ERP) system and a Data
Historian play in a manufacturing environment. There are key features, functions, and benefits
associated with each, and together they not only complement each otherbut bring greater value to
today's process manufacturers.
The Flexibility of the Data
Historian
As shown in Figure 1, the International
Society of Automation (ISA) classifies the
different systems used across a
manufacturing organizationfrom the
enterprise level down to the plant level. Data
historians, like Aspen InfoPlus.21 (IP.21),
reside as part of Level 3, but also extend into
other areas due to their unique functionality.
While they can communicate with all
systems, the bulk of interaction is with Levels
1 and 2. Historians can be configured to
support either a single plant or the entire
enterprise.
ERP Functionality at the
Enterprise Level
Much like data historians, ERP systems vary in their
degree and depth of functionality, but most are
configured to support some or all of the key areas of
business shown in Figure 2. Originally developed
primarily to support Finance, ERP systems have
grown over time to include functionality that
supports Human Resources, Customer Orders,
Inventory, and, in a limited capacity, Manufacturing.
EnterpriseSystems
Data historians providecurrent and historicalmanufacturing informationto plant and enterprisepersonnel
PlantSystems
ERPLevel 4
Regulatory ControlSensors, Valves, DCS, PLC, SCADA
Level 0, 1, 2
ManufacturingExecution Systems
Level 3
Aspen IP.21
Enterprise
Systems
ERP A Closer LookLevel 4
CustomerOrders
InvoicingFinancials
HumanResources
AccountsPayable
CRM
InventoryPurchasing Work Order
Figure 1
Figure 2
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Closer Look at Historians
Manufacturing Execution Systems (MES) can be further defined as shown in Figure 3. While
some ERP software vendors claim to provide much of the MES functionality, it is not nearly as
comprehensive as the offerings of a true MES vendorand does not provide the level of
detail required by plant operations.
Within the MES at Level 3, historian functionality is uniquely tailored toward Production DataCollection and Production Performance Analysis, collecting information to form a complete
context of the manufacturing environment. (This is different than DCS or SCADA systems,
which only have a view of information within their own system.) Historians then present
actionable information back to the user in the form of trends, process graphics, and KPIs,
which can be used for analytical purposes.
Complementary Systems
The strengths of ERP systems and historians actually complement one another. Historians
gather data at the plant level so operators, engineers, and managers can effectively manage
the day-to-day and month-to-month operation of a plant.
ERPs pass the specific orders down to MES systems for processing. Historians then collect
the relevant information from the actual product run and pass that data back to the ERP
systemhelping the business make faster, smarter decisions.
About AspenTech
AspenTech is a leading supplier of
software that optimizes process
manufacturingfor energy,
chemicals, pharmaceuticals,
engineering and construction, and
other industries that manufacture
and produce products from a
chemical process. With integrated
aspenONE solutions, process
manufacturers can implement best
practices for optimizing their
engineering, manufacturing, and
supply chain operations. As a result,
AspenTech customers are better able
to increase capacity, improve
margins, reduce costs, and become
more energy efficient. To see how the
worlds leading process
manufacturers rely on AspenTech to
achieve their operational excellence
goals, visit www.aspentech.com .
ProductDefinition
ProductionCapability
ProductionSchedule
ProductionPerformance
Level 0, 1, 2 Process Control
Equipment & ProcessSpecific Production Rules
OperationalCommands
OperationalResponses
Equipment & ProcessSpecific Data
ProductionPerformance
Analysis
ProductionExecution
DetailedProductionScheduling
ProductionDispatching
ProductDefinition
Management
ProductResource
Management
ProductionData
Collection
ProductionTracking
MESLevel 3
Aspen IP.21
ERP HISTORIAN
FundamentalPurpose
Developed to support businesssystemsfinancial, sales, HR,
etc.with limited manufacturingfunctionality for high-levelplanning/reporting. Not tactical.
Developed to support plantmanagement. Collect information
from a variety of systems (DCS,PLC, SCADA, instruments) to forma complete context ofmanufacturing environment.
Architecture Geared toward "transactions" (e.g.,sale of products, payment ofinvoices). Typically structured as arelational database that handlestransactions well, but falls short insupporting real-time manufacturingprocesses.
Architected to rapidly andefficiently gather plant data (e.g.,temperature, pressure, flows) anddeliver that information to users inthe form of trends, processgraphics, and KPIs for accurateanalysis.
Figure 3
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