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Control Systems in Classified Spaces
- Safety Logic and the Spray-Enable Chain
A modern finishing system is a chain of permissives: airflow proven, burner safe, doors closed, gas levels below alarm, each feeding the logic that enables spray and heat. A specialist reads this chain end to end and can say exactly what co...
- Intrinsically Safe Circuits and Barriers
Intrinsic safety is a protection technique that limits the energy in a circuit below what can ignite the gas group, so the circuit is safe even with a fault. It relies on barriers or isolators that cap voltage and current, and on careful lo...