Chapter 5 Relay Ladder Logic Programming 99
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In the example below, Mode 4 is the selected function that compares the value of analog input A01 to a constant
value (N) of 2.50. Status coil G01 turns ON when A01 is not less than constant 2.50.
Example 2: Timer/Counter present value Compare
The Comparator instruction can be used to compare Timer, Counter, or other function values to a constant value or
each other. In this example below, Mode 5 is the selected function that compares the value of Counter (C01) with the value
of Timer (T01). Status coil G01 turns ON if present value of C01 isn’t less than present value of T01.
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