Math Function Block - Honeywell UMC800 Reference Manual

2.34 MATH Function Block

Description
The MATH label stands for Free Form Math. This block is part of the Math category. It looks like this
graphically on the Control Builder.
Function
Read inputs A through H and calculates the output based on specified general purpose calculation. OUT is
calculated from an equation entered here.
Offers the following general purpose calculation functions:
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• A maximum of either 50 tokens(note 1) per equation or 100 characters per line is allowed,
whichever is first exceeded.
Note 1: A token is an operation, variable, or pair of parenthesis; the end of an equation counts as one
token.
Inputs
IN A – block input 1
IN B – block input 2
IN C – block input 3
IN D – block input 4
IN E – block input 5
IN F – block input 6
IN G – block input 7
IN H – block input 8
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abs =
EXP =
Ln =
Log 10 =
neg(Unary) - =
sqrt =
+ =
- =
* =
/ =
^ =
( =
) =
Function Block Reference Guide
addition,
exponential (ln -1 ),
natural log (log base e),
log base 10,
negation,
Square Root,
addition,
subtraction,
multiplication,
division,
raised to power of (x y )
left parenthesis,
right parenthesis, and
Function Blocks
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