Batch Forensics: The Case for Procedural Unit Tags
A Unit Tag is a class-based tag that identifies a characteristic of a unit.
The values of these tags are usually associated with information captured via the control systems analog and digital Input cards, signals like Temperature, Weight, Pressure, Level, Conductivity, pH, Level Switch, etc. Other unit tags can contain the status, state, material of construction, or any other user-defined attribute that can enhance the recipe editing capability and execution.
Batch Forensics: The Case for Link Groups – Class based Unit Synchronization
To coordinate activities between units, take advantage of product functionality to greatly reduce controller code. Programing and unit coordination are used during activities such as material transfer from one unit to another and may be used to coordinate recipe pause points in a unit while the recipe of another unit reaches the desired step, or may be used to transfer process data from one unit to another for further evaluation, etc.
Using product functionality to create a class-based solution while minimizing programming greatly simplifies the complexity of the code. The product functionality consists of link groups and Phase logic phase requests (PXRQ for phase manager phases and RQ for classic OPC phases).
To better understand its usability, we will use a sample process consisting of units capable of transfer material with each other, One to Many, Many to One, Many to Many. In any of these examples, keeping track of who the groups involved in a synchronization can be as simple as specifying the required pairs (more than two concurrent can be done as well) in the procedural (recipe) model.
Let’s look at several scenarios:
From Our Batch to Yours
We did not want to “Zoom” through the Holidays without wishing you and yours a very Merry Christmas and a Joyous Holiday Season!
In lieu of corporate gifts this year, ECS Solutions will make a donation on behalf of our clients to the Tri-State Food Bank in Evansville, Indiana in association with Feeding America.
Thank you for helping to end hunger this holiday season!
ECS Solutions & Swedish Match on Ignition Community Live
ECS President, Tim Matheny and Brad Logsdon, Business Analyst at Swedish Match joined Travis Cox, co-director of sales engineering for Inductive Automation for a recent interview about the journey to Ignition through business analysis.
Learn how Swedish Match North America arrived at using the Ignition platform to solve a real business need, and how their IT Department drove this initial investment at their Owensboro Factory, in this exciting video!