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皮爾茲*PILZ安全繼電器是由數個繼電器與電路組合而成，為的是要能互補彼此的異常缺陷，達到正確且低誤動作的繼電器完整功能，使其失誤和失效值愈低，安全因素則愈高，因此需設計出多種安全繼電器以保護不同等級機械，主要目標在保護暴露於不同等級之危險性的機械操作人員
皮爾茲*
PILZ安全繼電器是由數個繼電器與電路組合而成，為的是要能互補彼此的異常缺陷，達到正確且低誤動作的繼電器完整功能，使其失誤和失效值愈低，安全因素則愈高，因此需設計出多種安全繼電器以保護不同等級機械，主要目標在保護暴露於不同等級之危險性的機械操作人員。
PILZ安全繼電器一般由鐵芯、線圈、銜鐵、觸點簧片等組成的。只要在線圈兩端加上一定的電壓，線圈中就會流過一定的電流，從而產生電磁效應，銜鐵就會在電磁力吸引的作用下克服返回彈簧的拉力吸向鐵芯，從而帶動銜鐵的動觸點與靜觸點（常開觸點）吸合。當線圈斷電后，電磁的吸力也隨之消失，銜鐵就會在彈簧的反作用力返回原來的位置，使動觸點與原來的靜觸點（常閉觸點）吸合。這樣吸合、釋放，從而達到了在電路中的導通、切斷的目的。對于繼電器的“常開、常閉”觸點，可以這樣來區分：繼電器線圈未通電時處于斷開狀態的靜觸點，稱為“常開觸點”；處于接通狀態的靜觸點稱為“常閉觸點”。
PILZ安全繼電器與一般繼電器的主要差別在哪里? 所謂“PILZ安全繼電器”并不是“*的繼電器”，而是發生故障時做出有規則的動作，它具有強制導向接點結構，萬一發生接點熔結現象時也能確保安全，這一點同一般繼電器*不同。
安全繼電器的定義：所謂“安全繼電器”并不是“*的繼電器”，而是發生故障時做出有規則的動作，它具有強制導向接點結構，萬一發生接點熔結現象時也能確保安全，這一點同一般繼電器*不同
774638 END-XM 169
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774640 KOP-XEcoated 326
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皮爾茲*
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