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皮爾茲繼電器

PILZ安全繼電器的電路要求及原理

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(fā)生故障時(shí)做出有規(guī)則的動(dòng)作，它具有強(qiáng)制導(dǎo)向接點(diǎn)結(jié)構(gòu)，萬(wàn)一發(fā)生接點(diǎn)熔結(jié)現(xiàn)象時(shí)也能確保安全，這一點(diǎn)同一般繼電器*不同。PILZ安全繼電器是由數(shù)個(gè)繼電器與電路組合而成，為的是要能互補(bǔ)彼此的異常缺陷，達(dá)到正確且低誤動(dòng)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(shè)計(jì)出多種安全繼電器以保護(hù)不同等級(jí)機(jī)械，主要目標(biāo)在保護(hù)暴露於不同等級(jí)之危險(xiǎn)性的機(jī)械操作人員。
對(duì)PILZ安全電路的要求:
1、在緊急停止解除時(shí)，機(jī)器不能出現(xiàn)突然再啟動(dòng)
2、萬(wàn)一機(jī)器安全電路發(fā)生故障時(shí)，可以停止機(jī)器動(dòng)力電源
3、安全電路發(fā)生故障時(shí)，機(jī)器不能再啟動(dòng)
像安全開關(guān)、光幕等確認(rèn)安全的輸入，無(wú)法做到上述功能，那么，怎樣才能做到安全電路呢？時(shí)候雙重電路就可以了？
A:單靠雙重化是不行的。
雙重化是必要的，但是除此之外，比備如下幾個(gè)條件，雙重化電路的互相檢查，確認(rèn)所有安全電路已經(jīng)斷開一次，必要時(shí)由作業(yè)者操作便可以啟動(dòng)等條件。還有從另一個(gè)角度來(lái)說(shuō)，輸入的開關(guān)接線短路或電線外皮破損而引起的接地的可能性時(shí)，必須預(yù)防因此而引起的機(jī)器突然啟動(dòng)。
實(shí)際上，為了方便安全電路的構(gòu)成，將安全繼電器和其他組件組合配套，把基本的緊急停止電路、安全電路組成電路模塊的產(chǎn)品稱為安全繼電器模塊。
PILZ安全繼電器的原理
PILZ安全繼電器一般由鐵芯、線圈、銜鐵、觸點(diǎn)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(huì)流過(guò)一定的電流，從而產(chǎn)生電磁效應(yīng)，銜鐵就會(huì)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(dòng)銜鐵的動(dòng)觸點(diǎn)與靜觸點(diǎn)（常開觸點(diǎn)）吸合。當(dāng)線圈斷電后，電磁的吸力也隨之消失，銜鐵就會(huì)在彈簧的反作用力返回原來(lái)的位置，使動(dòng)觸點(diǎn)與原來(lái)的靜觸點(diǎn)（常閉觸點(diǎn)）吸合。這樣吸合、釋放，從而達(dá)到了在電路中的導(dǎo)通、切斷的目的。對(duì)于繼電器的“常開、常閉”觸點(diǎn)，可以這樣來(lái)區(qū)分：繼電器線圈未通電時(shí)處于斷開狀態(tài)的靜觸點(diǎn)，稱為“常開觸點(diǎn)”；處于接通狀態(tài)的靜觸點(diǎn)稱為“常閉觸點(diǎn)”。

PNOZ X7 115VAC 2n/o
, PNOZ X7 120VAC 2n/o
, PNOZ X7 230VAC 2n/o
, PNOZ X7 240VAC 2n/o
, PNOZ X7 42VAC 2n/o
, PNOZ X7 24VACDC 2n/o
, PNOZ 16 24VAC 24VDC
, PNOZ 16 42VAC 24VDC
, PNOZ 16 48VAC 24VDC
, PNOZ 16 110VAC 24VDC
, PNOZ 16 115VAC 24VDC
, PNOZ 16 120VAC 24VDC
, PNOZ 16 230VAC 24VDC
, PNOZ 16 240VAC 24VDC
, PNOZ 16S 24VAC 24VDC
, PNOZ 16S 42VAC 24VDC
, PNOZ 16S 48VAC 24VDC
, PNOZ 16S 110VAC 24VD
, PNOZ 16S 115VAC 24VD
, PNOZ 16S 120VAC 24VD
, PNOZ 16S 230VAC 24VD
, PNOZ 16S 240VAC 24VD
, PNOZ 11 24VAC 24VDC
, PNOZ 11 42VAC 24VDC
, PNOZ 11 48VAC 24VDC
, PNOZ 11 110VAC 24VDC
, PNOZ 11 115VAC 24VDC
, PNOZ 11 120VAC 24VDC
, PNOZ 11 230VAC 24VDC
, PNOZ 11 240VAC 24VDC
, PNOZ EX 230VAC 3n/o
, PNOZ EX 42VAC 3n/o 1
, PNOZ EX 115VAC 3n/o
, PNOZ EX 120VAC 3n/o
, PNOZ EX 115VAC 3n/o
, PNOZ EX 120VAC 3n/o
, PNOZ EX 230VAC 3n/o
, PZE 9 24VAC 8n/o 1n/
, PZE 9 42VAC 8n/o 1n/
, PZE 9 48VAC 8n/o 1n/
, PZE 9 110VAC 8n/o 1n
, PZE 9 120VAC 8n/o 1n
, PZE 9 230VAC 8n/o 1n
, PZE 9 240VAC 8n/o 1n
, PZE 9 24VDC 8n/o 1n/
, PNOZ X1 24VAC/DC 3n/
, PNOZ X2 24VAC/DC 2n/
, PNOZ X2C 24VAC/DC 2n
, PNOZ X2.1C 24VAC/DC
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, PNOZ X3 24VAC 24VDC
, PNOZ X3 42VAC 24VAC/
, PNOZ X3 48VAC 24VAC/
, PNOZ X3 110VAC 24VDC
, PNOZ X3 115VAC 24VDC
, PNOZ X3 120VAC 24VDC
, PNOZ X3 230VAC 24VDC
, PNOZ X3 240VAC 24VDC
, PNOZ X3.1 230VAC 24V
, PNOZ X3.1 240VAC 24V
, PNOZ X5J 24VDC 2n/o
, PNOZ X5.1 24VDC 2n/o
, PNOZ X5 24VACDC 2n/o
, PNOZ X5 12VDC 2n/o
, P2HZ X1 24VAC 3n/o 1
, P2HZ X1 42VAC 3n/o 1
, P2HZ X1 48VAC 3n/o 1
, P2HZ X1 24VDC 3n/o 1
, P2HZ X1 26VDC 3n/o 1
, P2HZ X2 24VAC 2n/o
, P2HZ X3 24VDC 2n/o 1
, P1HZ X1 24VDC 2n/o
, PDZ 24VDC 2n/o 2n/c
, PAD/BO 512/6/5VDC
, PAD/SI 800/512I/5VDC
, PAD/SI 800/1024I/5VD
, PAD/SI 800/2048I/5VD
, PAD/SI 800/4096I/5VD
, PAD/SI 840/512I/5VDC
, PAD/SI 840/1024I/5VD
, PAD/SI 840/2048I/5VD
, PAD/SI 840/4096I/5VD
, PAD/SI 800/32I/5VDC
, PAD/SI 840/256I/5VDC
, PAD/SI 840/128I/5VDC
, PAD/SI 840/64I/5VDC
, PAD/SI 840/32I/5VDC
, PAD/SI 840/16I/5VDC
, PDZK WDP3-01 1000/20
, P2HZ X1 110VAC 3n/o
, P2HZ X1 115VAC 3n/o
, P2HZ X1 120VAC 3n/o
, P2HZ X1 230VAC 3n/o
, P2HZ X1 240VAC 3n/o
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, PNOZ XV2 0.5/24VDC 2
, PNOZ XV2 3/24VDC 2n/
, PNOZ XV2 10/24VDC 2n
, PNOZ XV2 300/24VDC 2
, PNOZ XV2.1 30/24VAC
, PNOZ XV2.1 30/48VAC
, PNOZ XV2.1 30/120VAC
, PNOZ XV2.1 30/230VAC
, PNOZ X2.4V 1/24VDC 4
, PNOZ X2.6V 1/24VDC 4
, PNOZ XV2.1 3/24VAC 2
, PNOZ XV2.1 3/42VAC 2
, PNOZ XV2.1 3/115VAC
, PNOZ XV2.1 3/120VAC
, PNOZ XV2.1 3/230VAC
, PNOZ XV3.1 30/24VDC
, PNOZ XV3 30/24VDC 3n
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, PNOZ XV3 0.5/24VDC 3
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, PNOZ XV3 10/24VDC 3n
, PNOZ XV3 300/24VDC 3
, PNOZ X13 24VDC 5n/o
, PNOZ XV2.1 30/24-240
, PNOZ XV2.1 3/24-240V
, PNOZ XV2.1 300/24-24
, PNOZ XHCV 0, 7/24VDC
, PPS 100-240VACDC / 2
, PZE X4V 0, 5/24VDC 4n
, PZE X4V 1/24VDC 4n/o
, PZE X4V 2/24VDC 4n/o
, PZE X4V 3/24VDC 4n/o
, PZE X4V 8/24VDC 4n/o
, PZE X4 24VDC 4n/o
, PZE X4V 0, 7/24VDC 4n
, PZE X5V 3/48VDC 5n/o
, PZE X5V 1.5/24VDC 5n
, PZE X5V 3/24VDC 5n/o
, PZE X5 24VDC 5n/o
, PNOZ X9 42VAC 24VDC
, PNOZ X9 100VAC 24VDC
, PNOZ X9 120VAC 24VDC
, PNOZ X9 230VAC 24VDC
, PNOZ X2.2 24VAC/DC 2
, PNOZ X9 200VAC 24VDC
, PNOZ X9 24VAC 24VDC
, PNOZ XV3.1 30/24-240
, PNOZ XV3.1 3/24-240V
, PNOZ XV3.1 300/24-24
, PNOZ X10 24VAC 6n/o
, PNOZ X10 42VAC 6n/o
, PNOZ X10 100VAC 6n/o
, PNOZ X10 110VAC 6n/o
, PNOZ X10 115VAC 6n/o
, PNOZ X10 120VAC 6n/o
, PNOZ X10 230VAC 6n/o
, PNOZ X10 240VAC 6n/o
, PNOZ X10 200VAC 6n/o
, PNOZ X10 24VDC 6n/o
, PNOZ X6 110-120VAC 3
, PNOZ X6 230-240VAC 3
, PNOZ X6 24VAC 24VDC
, PNOZ X4 24VDC 3n/o 1
, PNOZ X4 24VAC 3n/o 1
, PNOZ X4 24VDC 3n/o 1
, PNOZ X4 110VAC 3n/o
, PNOZ X4 115VAC 3n/o
, PNOZ X4 120VAC 3n/o
, PNOZ X4 230VAC 3n/o
, PNOZ X4 240VAC 3n/o
, PNOZ X10.1 24 VAC 6n
, PNOZ X10.1 42 VAC 6n
, PNOZ X10.1 100VAC 6n
, PNOZ X10.1 110VAC 6n
, PNOZ X10.1 115VAC 6n
, PNOZ X10.1 120VAC 6n
, PNOZ X10.1 230VAC 6n
, PNOZ X10.1 240VAC 6n
, PNOZ X10.1 200VAC 6n
, PNOZ X10.1 24VDC 6n/
, PU3Z 120VAC 3n/o 1n/
, PU3Z 230VAC 3n/o 1n/
, PU3Z 24VDC 3n/o 1n/c
, PNOZ 16SP 24VAC 24VD
, PNOZ 16SP 42VAC 24VD
, PNOZ 16SP 48VAC 24VD
, PNOZ 16SP 110VAC 24V
, PNOZ 16SP 115VAC 24V
, PNOZ 16SP 120VAC 24V
, PNOZ 16SP 230VAC 24V
, PNOZ 16SP 240VAC 2