Preface
MicroLogix 1000 Programmable Controllers User Manual
7–2
About the Comparison Instructions
Comparison
instructions are used to test pairs of values to condition the logical
continuity of a rung. As an example, suppose a LES instruction is presented with
two values. If the first value is less than the second, then the comparison instruction
is true.
To learn more about the compare instructions, we suggest that you read the
Compare Instructions Overview that follows.
Comparison Instructions Overview
The following general information applies to comparison instructions.
Indexed Word Addresses
When using comparison instructions, you have the option of using indexed word
addresses for instruction parameters specifying word addresses. Indexed addressing
is discussed in chapter 5.
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