Technical Specifications

213
Function Block Links
Foundation Fieldbus
Function Block Links
Each of the control functions is represented in the Control configuration as Foundation
Fieldbus function blocks. All the blocks in the temperature cascade are shown in
Figure 176.
Figure 176 Temperature Cascade Block Diagram
They are grouped according to the physical device containing them and they are shown
with the links between the blocks, soft wiring for data flow. Similarly, the level loop
function blocks are shown in Figure 177.