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Manual
00809-0500-4881
Figure 8-27: Arithmetic Function Block Diagram Example
A. Tank level
B. Liquid temperature
C. Air temperature
D. In
E. In_1
F. In_2
G. Arithmetic block
H. Out
I. Arithmetic type = flow comp-linear
This application can be applied to very large storage tanks whose contents are subject to
thermal expansion and contraction during seasonal changes in temperature.
8.11
Advanced topics
8.11.1
Arithmetic types
The parameter ARITH_TYPE determines how PV and the compensation terms (t) are
combined. You may select from nine commonly used math functions depected below.
COMP_HI and COMP_LO are compensation limits.
Rosemount OCX8800C
F
Fieldbus
™
OUNDATION
April 2023
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