Rockwell-automation 1761 MicroLogix 1000 Programmable Controllers Manual de usuario Pagina 129

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Using Comparison Instructions
7–7
If the Low Limit has a value greater than the High Limit, the instruction is false
when the Test value is between the limits. If the Test value is equal to either limit or
outside the limits, the instruction is true, as shown below
.
8 5 –32,768 through 5 and 8 through 32,767 6 and 7
Example, low limit greater than high limit:
Low
Limit
High
Limit
Instruction is True
when Test value is
Instruction is False
when Test value is
True False True
–32,768
High Limit
Low Limit
+ 32,767
Programming
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