The scenario
Controls a roll crusher with safety gate and E-stop, motor seal-in, gap adjustment via hydraulic valves with limit and interlock, and jam detection that stops the motor after a 2-second confirmation and latches an alarm.
What is in this drawing
Read the decisions behind it.
01
Using seal-in circuits for motor and alarm to maintain state
02
Interlocking gap open/close valves to prevent simultaneous activation
03
Debouncing jam signal to avoid nuisance stops
Applicable to any industrial crusher or processing equipment with motor control and jam detection.
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