Section 2. Program: EDLOG
2-2
PC208W, Version 3.3 Instruction Manual
Expression Interpreter
Mathematical calculations can be written algebraically using Input Location
labels as variables. For example, the following expression could be used to
create a new location that holds the temperature in Fahrenheit (TempF) which
is calculated from the temperature in Celsius (TempC):
TempF=TempC*1.8+32
EDLOG will compile the expression into datalogger instructions, creating
locations for intermediate steps if necessary (Section 2.5).
Compiler
EDLOG compiles the program to check for errors and create the file that is
downloaded to the datalogger. The download file (*.DLD) excludes all
comments and incorporates the instructions required to calculate the
expressions. During the compile step, a Final Storage Label file (*.FSL) that
lists the labels used by the program and a Program Trace Information file
(*.PTI) are also created (Section 2.9).
Summary of Contents for PC208W
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