Process Interlocks and Trips
Protective tripping systems provide a defence against excursions beyond the safe operating limits by detecting a excursions beyond set points related to the safe operating limits (i.e. the onset of...
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Setpoints and Alarms in Control System
Protective instruments and alarms in industrial plants are provided with adjustable setpoints where specific actions are either automatically initiated, prohibited, or alarmed. Setpoints and Alarms Image courtesy : iautomatyka For...
Process Switches and Alarms
Another type of instrument commonly seen in measurement and control systems is the process switches. The purpose of a switch is to turn on and off a device like heaters,...