PLCs get their process instructions from the Control Room.
Each PLC is responsible for an individual equipment group, and controls it independently of the Network.
PLC-SCADA Installation - Animation
2. PHYSICAL LAYOUT
The Industrial Network communicates between the Control Room and Distributed PLC Controllers
Partners in Industrial Control Technology:
Innovative Controls Corp. - USA Geovap-Teco-Proteco Group - Europe
click: John C. Crowther - Swystem Logic GmbH