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Micromod Micro-DCI: 53MC5000 Multi-Loop Process Controller Instruction Manual User Manual

Page 246

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Table 12-3. CS21 Two Loop Cascade Controller Datapoints

Data-

point

Table

Module

Title and Function

De-

fault

AI1 - Remote Setpoint Primary (Is affected by Setpoint Related Datapoints) (Cont)

L441

5-4

AI1

Square Root Signal - It is used if the Primary Remote
Setpoint is a squared signal value that must be linearized. 0
= input is already linear; 1 = square root to restore
linearization.

0

AI2 - Process Variable Secondary

C258

5-4

AI2

Engineering Span - Set to 100 by CS21; however, it can be
changed. Enter a value, that when added to the Engineering
Zero value, will produce an upper range value in engineering
units that represents the Secondary PV transducer upper
range signal value.

0

C278

5-4

AI2

Engineering Zero - Enter a value that represents in
engineering units the Secondary PV transducer lower range
signal value.

0

B271

5-4

AI2

Digital Filter Index - This is a first order filter that can be
applied to the Secondary PV signal. See Table 5-4 for input
values.

3

L418

5-4

AI2

0-5 V Input - Enter a value that matches the signal voltage
range of the Secondary PV signal. 1 = 0 - 5 V input range; 0
= 1 - 5 V input range.

0

L442

5-4

AI2

Square Root Signal - It is used if the Secondary PV input is a
squared signal value that must be linearized. 0 = input is
already linear; 1 = square root to restore linearization.

0

AI3 - Additive Feed Forward Secondary

C259

5-4

AI3

Engineering Span - Enter a value, that when added to
Engineering Zero, will produce an upper range value in
engineering units that represents the Additive Feed Forward
upper range signal value.

0

C279

5-4

AI3

Engineering Zero - Enter a value that represents in
engineering units the Additive Feed Forward lower range
signal value.

0

B272

5-4

AI3

Digital Filter Index - This is a first order filter that can be
applied to the Additive Feed Forward signal. See Table 5-4
for input values.

3

L419

5-4

AI3

0-5 V Input - Enter a value that matches the signal voltage
range of the Additive Feed Forward signal. 1 = 0 - 5 V input
range; 0 = 1 - 5 V input range.

0

L443

5-4

AI3

Square Root Signal - It is used if the Additive Feed Forward
input is a squared signal value that must be linearized. 0 =
input is already linear; 1 = square root to restore linearization.

0

AO0 - Control Output (Secondary)

L472

5-5

AO0

0-20 mA Output - 0 = 4-20 mA signal; 1 = 0-20 mA signal.
Enter a value to match the Secondary Control Output valve
requirements.

0

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Section 12. CS21 - Two Loop Cascade Controller

12-7