Download Display - Service, Support

Goals. Identify the goals of the control system.
Goals

You want to design an efficient and effective means of
producing a product.
Manual draining not
required

The process needs to produce a variety of products.
Push-button operation
Automated transfer
to dryer

The design solution must be flexible.

The operator must be able to advance to the next process
step easily.

The operator must be able to abort a batch.
Clean clothes in less
than 1 hour
Model
Add water/soap
Clothes in
Clothes out
Agitate
Spin
Model. Develop and maintain an internal operations
oriented model of the system. Be able to state in simple
language what the system is supposed to do from the
viewpoint of process operation. If you are unable to explain it
easily to another person, you might ask yourself if you really
understand it. Keep in mind the next two steps, top-down
analysis and bottom-up implementation.
Drain
SIMATIC APT Applications Manual
Approach to APT Program Design
1-5