Skip to main content

OBJECT-ORIENTED PROGRAMMING METHODOLOGIES FOR HIGH PERFOMANCE LOW COST HMI/PLC SYSTEMS

The full text article is not available for purchase.

The publisher only permits individual articles to be downloaded by subscribers.

or click here to sign up for a free trial

Abstract:

This paper examines the use of an object–oriented programming methodology to develop PLC and HMI control system configurations. Additionally, it will address the use of database-driven tools and how they be used to configure, manage, and automate object-oriented software programming. An overview is provided for building reusable object libraries; using IEC 1131 object programming for PLCs allows these libraries to be applied to multiple vendor platforms.

The following diagram demonstrated the application of Object programming for a typical 2-pump lead/lag sequence:

The benefits of using object-based programming techniques will be examined as they pertain to the following:



Reduced cost of implementation


Reduced time for development


Standardization


Reduced startup and debugging time


Reduced training costs


Reduced O&M costs


Reduced support costs on delivered systems


How data-base driven development tools can be used to automate much of the HMI/PLC configuration will be demonstrated. These data-base driven tools utilize templates for the object models, which in-turn then provides the framework for generating the object tags, tag attributes and coordinated addressing between the HMI/PLC. This data-base tool and how it can be used to manage an integrated HMI/PLC system is shown in the following figure:

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864702784246685

Publication date: January 1, 2002

More about this publication?
  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access.
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • Ingenta Connect is not responsible for the content or availability of external websites
wef/wefproc/2002/00002002/00000016/art00033
dcterms_title,dcterms_description,pub_keyword
6
5
20
40
5

Access Key

Free Content
Free content
New Content
New content
Open Access Content
Open access content
Subscribed Content
Subscribed content
Free Trial Content
Free trial content
Cookie Policy
X
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more