West Control Solutions MRC 9000 User Manual

Page 113

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Edition 3

Rev G

Section 4

4-31

17.

CONVERT C TO F

INPUT 1:

A

PROMPT:

DVxx INPUT

°

C

ACTUATOR:

n/a

RESET:

n/a

OUTPUT:

= (A * 9/5) +32

18.

BTU

INPUT 1:

F

PROMPT:

DVxx FLOW

INPUT 2:

TEMPH

PROMPT:

DVxx HIGHER TEMP

INPUT 3:

TEMPL

PROMPT:

DVxx LOWER TEMP

INPUT 4:

C

PROMPT:

DVxx SCALING CONST.

ACTUATOR:

n/a

RESET:

n/a

OUTPUT:

= C*F* (TEMPH-TEMPL)

If INPUT 4 is "NOT USED", then C=1

NOTES:

F - Flow
TEMPH - Higher Temperature for DeltaT
TEMPL - Lower Temperature for DeltaT
C - Scaling Constant

The Temperatures can be degrees F or C, but the scaling constant must take this into
account.

19.

ADD

INPUT 1:

A

PROMPT:

DVxx INPUT 1

INPUT 2:

B

PROMPT:

DVxx INPUT 2

INPUT 3:

C

PROMPT:

DVxx INPUT 3

INPUT 4:

D

PROMPT:

DVxx INPUT 4

ACTUATOR:

n/a

RESET:

n/a

OUTPUT:

= A+B+C+D

20.

AVG

INPUT 1:

A

PROMPT:

DVxx INPUT 1

INPUT 2:

B

PROMPT:

DVxx INPUT 2

INPUT 3:

C

PROMPT:

DVxx INPUT 3

INPUT 4:

D

PROMPT:

DVxx INPUT 4

ACTUATOR:

n/a

RESET:

n/a

OUTPUT:

= (A+B+C+D)/E

Where E is the number of inputs that are CONFIGURED.

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