ABB C505 User Manual page 16

Control it 1/2 din advanced process controller, industrial it enabled

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...2 OPERATOR LEVEL

2.2 Single Loop Controller (Templates 1 and 2)

The single loop controller is a basic feedback control system using three-term PID or on/off control

with either a local set point (template 1) or remote set point (template 2).

Local Set Point

LSPt

Remote Set Point Input

•1

I/P2

I/P2 x rAtO + bIAS

Process Variable Input

I/P1

•1 Template 2 Only

L R

RSPt

CSPt

Control Loop

Fig. 2.2 Single Loop Controller

Manual Output

PID O/P

PID

Control

Output

OP1

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