Micromod Micro-DCI: 53SL5100A Single Loop Controller Manuale Utente Pagina 84

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Single Loop Process Controller Instruction Manual
76 Ratio PID Controller
As illustrated in Figure 7-2, Ratio (PID) Controller Block Diagram, when a 3 is loaded into System Module
datapoint B00 to indicate CS3, the signal designators are as follows:
1. ANI0 = Controlled Variable
2. ANI1 = Wild Variable
3. ANO0 = Controller Output
4. CCO0 = Process Alarm
Procedure
Note
To minimize sudden process changes, adjust the local setpoint
value to cause the setpoint pointer to cover the ratio tick bar before
switching to ratio control (Ratio).
Figure 7-2. Ratio (PID) Controller Block Diagram
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