Automationdirect.com prosense PPC5 Series - Correcting Input Value

5-7
PPC Manual Revision 1
Chapter 5: Input Setting Functions
5.1.4 Correcting Input Value
(1) Setting Bias and Filter
Description
PV Input Bias
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


PV input value + =PV input bias PV value inside the controller
Temperature sensed
by thermocouple
Compensation
value
Estimated material
temperature
PV Input Filter

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



Actual input With a small time constant With a large time constant
Input
Filtering for 2 sec
Filtering for 10 sec