Rockwell Automation 1771-PD PID MODULE (+DU) - Manual (Page 186)

Application Example 2, Periodic Block
Transfer
Appendix C
CĆ2
In this program example, there are four circumstances when a load/enter
sequence must be initiated. In two circumstances, the load/enter sequence
is initiated automatically by user program. In the other two, the sequence
is initiated manually.
Figure C.1
2ĆLoop Temperature/Flow Control
Heat
Exchanger Material or Fluid
PC
Processor
Block Transfer
Energy
PID
Module
Auto/Manual
Analog Input 1
Tieback Input 1
Analog Output 1
Control Lines 1
TT
11147
FT
Control Station 1
Auto/Manual
Control Station 2
Control Lines 2
Analog Input 2
Tieback Input 2
Analog Output 2