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Permissive circuits in PLC

2 minutes of reading

Introduction A practical application of switching and relay logic is in control systems where several process conditions must be met before a computer is allowed to boot.so in this session we are going to discuss about  Permissive circuits in PLC Permissive circuits in PLC A good example of this is the control of the burner for …

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FAIL SAFE LADDER LOGIC PROGRAM

3 minutes of reading

Fail-safe design In control systems, safety is (or at least should be) an important design priority. If there are multiple ways in which a digital control circuit can be designed to perform a task, and one of those ways happens to hold certain advantages in safety over the others, then that design is the better …

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