
4.4
SEL-587Z Instruction Manual
Date Code 20020903
Control Logic
Optoisolated Inputs
EXAMPLE 4.4
Time Qualify Optoisolated Inputs
If an input needs to be debounced or time qualified more than the
built-in 0.25 cycle, assign the input to a SEL
OGIC
control equation
variables timer.
SV8 =
IN2
SEL
OGIC
Variable SV8
The output of the timer (Relay Word bit SV8T) can then be used in
place of Relay Word bit IN1; see
Summary of Contents for SEL-587Z
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