Inputs that accept on/off signals form limit switches, push buttons, and other types of switches or contact closures. On/off outputs that can operate medium power loads (e.g., solenoids, power relays, starters, lights).
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Inputs that accept on/off signals form limit switches, push buttons, and other types of switches or contact closures. On/off outputs that can operate medium power loads (e.g., solenoids, power relays, starters, lights).
Go to Process Safety Glossary