![](http://pdfasset.owneriq.net/7/7d/77d18124-55a6-4679-a90a-b99efd3eccb4/77d18124-55a6-4679-a90a-b99efd3eccb4-bg6e.png)
Monitoring and Operating the Controller
96 UDC2500 Universal Digital Controller Product Manual 4/07
XXXX
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