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德(de)國皮爾(er)茲PILZ安全繼電(dian)(dian)(dian)器是由數個繼電(dian)(dian)(dian)器與(yu)(yu)電(dian)(dian)(dian)路組合而(er)成,為的(de)是要(yao)能(neng)(neng)互補彼此的(de)異(yi)常缺陷,達到正確且(qie)低(di)誤(wu)動作(zuo)的(de)繼電(dian)(dian)(dian)器完整功(gong)能(neng)(neng),使其失誤(wu)和失效值愈低(di),發生故(gu)障(zhang)時做出(chu)有規則的(de)動作(zuo)確保實現急(ji)停(ting)、光柵或安全門等(deng)(deng)安全功(gong)能(neng)(neng),比如基(ji)本型繼電(dian)(dian)(dian)器的(de)常開和常閉觸點(dian)通過機(ji)械聯鎖互連, 從而(er)防止(zhi)常開和常閉觸點(dian)同(tong)時閉合。連接(jie)(jie)到對應的(de)電(dian)(dian)(dian)路后(hou),繼電(dian)(dian)(dian)器可(ke)靠(kao)檢測到觸點(dian)故(gu)障(zhang), 從而(er)保護暴露(lu)於不同(tong)等(deng)(deng)級之危(wei)險性(xing)的(de)機(ji)械操作(zuo)人員。安全繼電(dian)(dian)(dian)器有效的(de)提供了(le)人與(yu)(yu)設備(bei)的(de)安方案。緊湊(cou)的(de)設計,靈活地應用,和可(ke)調整的(de)連接(jie)(jie)選(xuan)項,讓這個設備(bei)應對所(suo)有的(de)安全功(gong)能(neng)(neng),擁有了(le)決定性(xing)優勢(shi)。
安全(quan)(quan)(quan)繼電(dian)器(qi)具有(you)強制(zhi)導(dao)向接點結(jie)構,是(shi)一個安全(quan)(quan)(quan)回路中(zhong)所必須的(de)控制(zhi)部分,它(ta)接受安全(quan)(quan)(quan)輸入,通過(guo)內部回路的(de)判斷(duan)(duan),確定性的(de)輸出開(kai)關信(xin)號(hao)(hao)到(dao)設備的(de)控制(zhi)回路里。簡單地說(shuo),安全(quan)(quan)(quan)繼電(dian)器(qi)都(dou)是(shi)雙通道(dao)信(xin)號(hao)(hao)型,只有(you)兩個通道(dao)信(xin)號(hao)(hao)都(dou)正常(chang)(chang)時,安全(quan)(quan)(quan)繼電(dian)器(qi)才能正常(chang)(chang)工作;在工作過(guo)程(cheng)中(zhong),只要其中(zhong)任一通道(dao)信(xin)號(hao)(hao)斷(duan)(duan)開(kai),安全(quan)(quan)(quan)繼電(dian)器(qi)都(dou)會停(ting)止輸出,直到(dao)兩個通道(dao)信(xin)號(hao)(hao)都(dou)正常(chang)(chang)且復位后才能正常(chang)(chang)工作。
774076 PNOZ 16S 230VAC 24VDC 2n/o 2so
774077 PNOZ 16S 240VAC 24VDC 2n/o 2so
774080 PNOZ 11 24VAC 24VDC 7n/o 1n/c
774081 PNOZ 11 42VAC 24VDC 7n/o 1n/c
774082 PNOZ 11 48VAC 24VDC 7n/o 1n/c
774085 PNOZ 11 110-120VAC 24VDC 7n/o 1n/c
774086 PNOZ 11 230-240VAC 24VDC 7n/o 1n/c
774090 SCHUTZKAPPE P-93 (VE 20 St.)
774100 PNOZ EX 230VAC 3n/o 1n/c
774104 PNOZ EX 115VAC 3n/o 1n/c
774105 PNOZ EX 120VAC 3n/o 1n/c
774120 PNOZ K2.1 24VDC 2n/o
774130 PNOZ e1p 24VDC 2so
774131 PNOZ e1vp 10/24VDC 1so 1so t
774132 PNOZ e1vp 300/24VDC 1so 1so t
774133 PNOZ e1.1p 24VDC 2so
774135 PNOZ e2.2p 24VDC 2so
774136 PNOZ e2.1p 24VDC 2so
774137 PNOZ e3vp 10/24VDC 1so 1so t
774138 PNOZ e3vp 300/24VDC 1so 1so t
PNOZ X4 24VAC 3n/o 1n/c
PNOZ X4 24 Vdc 3n/o 1n/c
PNOZ X4 110VAC 3n/o 1n/c
PNOZ X4 115VAC 3n/o 1n/c
PNOZ X4 120VAC 3n/o 1n/c
PNOZ X4 230VAC 3n/o 1n/c
PNOZ X4 240VAC 3n/o 1n/c
PNOZ X10.1 24 VAC 6n/o 4n/c 6LED
PNOZ X10.1 42 VAC 6n/o 4n/c 6LED
使用要點說明如下:
電(dian)源的接(jie)法。 圖中A1和(he)A2為(wei)電(dian)源端子,A1 接(jie)24V+;A2接(jie)0V。
在(zai)控制輸入電路中,正常使用(yong)時,需要(yao)在(zai)S11和(he)S12 以及 S11和(he)S22之間接入所需要(yao)的開關條件(jian)。一般(ban)為觸點或者按鈕接點。
在復(fu)位電(dian)路中(zhong),S33和S34之(zhi)間需(xu)要接入相應的(de)(de)復(fu)位條(tiao)件。與此(ci)同(tong)時,Y1和Y2之(zhi)間的(de)(de)條(tiao)件也是(shi)復(fu)位電(dian)路的(de)(de)一部(bu)分,兩者條(tiao)件必(bi)須同(tong)時成立(li)
德國PILZ安(an)全繼電器原理(li)
電(dian)磁(ci)(ci)(ci)式繼電(dian)器一般(ban)由鐵芯、線(xian)(xian)圈(quan)(quan)、銜鐵、觸(chu)點(dian)(dian)(dian)簧片(pian)等組成的(de)(de)(de)(de)。只要(yao)在線(xian)(xian)圈(quan)(quan)兩端加上(shang)一定的(de)(de)(de)(de)電(dian)壓,線(xian)(xian)圈(quan)(quan)中就會流(liu)過一定的(de)(de)(de)(de)電(dian)流(liu),從而產生電(dian)磁(ci)(ci)(ci)效應,銜鐵就會在電(dian)磁(ci)(ci)(ci)力吸引的(de)(de)(de)(de)作用(yong)下克服返回(hui)(hui)彈(dan)簧的(de)(de)(de)(de)拉(la)力吸向鐵芯,從而帶(dai)動(dong)銜鐵的(de)(de)(de)(de)動(dong)觸(chu)點(dian)(dian)(dian)(常開(kai)觸(chu)點(dian)(dian)(dian))與靜觸(chu)點(dian)(dian)(dian)(常閉(bi)觸(chu)點(dian)(dian)(dian))吸合。當線(xian)(xian)圈(quan)(quan)斷(duan)電(dian)后(hou),電(dian)磁(ci)(ci)(ci)的(de)(de)(de)(de)吸力也隨之消失(shi),銜鐵就會在彈(dan)簧的(de)(de)(de)(de)反作用(yong)力返回(hui)(hui)原來(lai)的(de)(de)(de)(de)位置,使動(dong)觸(chu)點(dian)(dian)(dian)與原來(lai)的(de)(de)(de)(de)靜觸(chu)點(dian)(dian)(dian)釋(shi)放(fang)。這樣吸合、釋(shi)放(fang),從而達到了(le)在電(dian)路中的(de)(de)(de)(de)導通、切斷(duan)的(de)(de)(de)(de)目的(de)(de)(de)(de)。對于(yu)繼電(dian)器的(de)(de)(de)(de)“常開(kai)、常閉(bi)"觸(chu)點(dian)(dian)(dian),可以這樣來(lai)區分(fen):繼電(dian)器線(xian)(xian)圈(quan)(quan)未通電(dian)時(shi)處(chu)于(yu)斷(duan)開(kai)狀(zhuang)態的(de)(de)(de)(de)靜觸(chu)點(dian)(dian)(dian),稱(cheng)為
“常(chang)開觸點(dian)";處于接通(tong)狀態的靜觸點(dian)稱為“常(chang)閉觸點(dian)"