The ASCO 141 series advanced redundant control system (ARCS) provides a redundant solution for a variety of emergency shutdown valve applications. It includes various redundant solenoid configurations to enhance the reliability of the process and meet specific safety or reliability requirements in automation processes. The single-inlet/single-outlet design provides a streamlined installation process while almost eliminating potential failure points. The system is designed for use as a component in safety instrumented systems. Using 1oo2, 2oo2 or 2oo3 voting solenoids to enhance the reliability of the circuit, it functions as a redundant pneumatics tripping device to control the pilot air signal to a process valve actuator.
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