シナリオ
An impact crusher requires continuous rotor speed monitoring to protect the drive and ensure safe feeder operation. The feeder must only run when the crusher is on and speed is within limits.
この図に含まれるもの
図の背後にある意思決定を読み解く。
01
Seal-in circuit for crusher run command with feedback contact
02
Timer-based speed low detection to avoid nuisance trips
03
Feeder enable depends on both run status and speed OK, not just start
This pattern applies to any crusher, grinder, or conveyor interlock where downstream equipment must verify upstream process conditions before enabling.