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Honeywell UDC2500 User Manual

Page 110

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Monitoring and Operating the Controller

96

UDC2500 Universal Digital Controller Product Manual

4/07

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IN 1

Ratio

Bias

IN 2

Ratio

Bias

PV

Source

RSP

Source

SP

Source

SP

PV

Remote SP

Local SP

SP

2SP

CONTROL

ALGORITHM

OUTPUT

To Final

Control

Element

CSP

Figure 4-2 Functional Overview Block Diagram of the UDC2500 Controller