PILZ皮爾茲繼電器827260上?,F貨
PILZ安全繼電器一般由鐵芯、線圈、銜鐵、觸點片等組成的。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(qū)分:繼電器線圈未通電時處于斷開狀態(tài)的靜觸點,稱為“常開觸點”;處于接通狀態(tài)的靜觸點稱為“常閉觸點”。
皮爾茲安全繼電器主要有兩個作用:一是隔離作用;二是增加輔助接點。在實際應用中增加接點比較少,因為現在的接觸器可以另加很多對輔助接點,而且動作也可靠,所以沒有必要在一般控制日路中增加輔助繼電器。而隔離作用在目前的控制中用得是比較多的。筆者以為主要有兩個方面的隔離:一是將
一個控制回路分隔為兩個甚至更多的相對獨立的回路;二是將強電量的模擬信號通過中間繼電器轉化為開關量侑源或無源)。這里強調的不是這些繼電器的作用,而是要通過工程實例,對中間繼電器應用中的技術問題做出分析及提出解決的對策。
PILZ安全繼電器顧名思義要安全,它是一個安全回路中所必須的控制部分(安全回路包括安全輸入,控制器,安全輸出),安全繼電器接受了安全輸入(比方說安全光幕、安全門鎖)通過內部回路的判斷,確定性的輸出開關信號到設備的控制回路里。它的輸入輸出一般都是冗余的,并且觸點都是強制導向的開關。
熱敏干簧繼電器的工作原理和特性
熱敏干簧繼電器是一種利用熱敏磁性材料檢測和控制溫度的新型熱敏開關。它由感溫磁環(huán)、恒磁環(huán)、干簧管、導熱安裝片、塑料襯底及其他一些附件組成。熱敏干簧繼電器不用線圈勵磁,而由恒磁環(huán)產生的磁力驅動開關動作。恒磁環(huán)能否向干簧管提供磁力是由感溫磁環(huán)的溫控特性決定的。
其實安全繼電器說白了就是把2-4個繼電器混在了一起,各自的觸點很多是互鎖的,這樣就可以有效地監(jiān)控外部回路的觸點是否熔接,或者有沒有短路等現象。
PILZ皮爾茲繼電器827260上?,F貨
而PILZ安全繼電器可以監(jiān)控功率、電流、電壓、接地故障、相位序列;同時也可以用來控制急停、安全門、光柵、安全地毯、雙手控制等,而且PILZ安全繼電器操作簡便、產品部件符合標準與規(guī)范(如EN954-1)而且通過zui少一家以上的機構測試,并予以認證。帶有插入終端的單元,可確保更快的試運行,有zui小的空間,有zui高的安全等級,*的性價比,通用電源的低存儲成本。可用于所有安全功能,如監(jiān)控緊急停止,安全門,光柵等。
皮爾茲安全繼電器工作特性:
作為控制元件,繼電器有如下四個特點:皮爾茲安全繼電器工作原理及技術參數
1)擴大控制范圍。例如,多觸點繼電器控制信號達到某一定值時,可以按觸點組的不同形式,同時換接、開斷、接通多路電路。
2)放大。例如中間繼電器等,只用一個很微小的控制量,
就可以控制很大功率的電路。
3)綜合信號。例如,當多個控制信號按規(guī)定的形式輸入多繞組繼電器時,經過比較綜合,達到預定的控制效果。
4)自動、遙控、監(jiān)測。例如,自動裝置上的繼電器與其他電器一起,可以組成程序控制線路,從而實現自動化運行。皮爾茲安全繼電器工作原理及技術參數
4 皮爾茲安全繼電器應用實例:以膠帶機的自動控制為例,介紹中間繼電器的隔離作用
工作原理是將一個輸入信號變成一個或多個輸出信號的電子元件。它的輸入信號為線圈的通電或斷電。它的輸出是觸頭的動作(所帶常開點閉合,常閉點打開),它的觸點接在其他控制回路中,通過觸點的變化導致控制回路發(fā)生變化(例如導通或截止),從而實現既定的控制或保護的目的。在此過程中,繼電器主要起了傳遞信號的作用
PILZ皮爾茲繼電器827260上?,F貨
774726 PNOZ X6 230-240VAC 3n/o
774729 PNOZ X6 24VAC 24VDC 3n/o
774721 PNOZ X6 42VAC 3n/o
774053 PNOZ X7 110VAC 2n/o
774054 PNOZ X7 115VAC 2n/o
774055 PNOZ X7 120VAC 2n/o
774056 PNOZ X7 230VAC 2n/o
774057 PNOZ X7 240VAC 2n/o
774059 PNOZ X7 24VACDC 2n/o
774058 PNOZ X7 42VAC 2n/o
774049 PNOZ X7 48VAC 2n/o
774051 PNOZ X7.1 24VAC/DC 1n/o 1n/c
777053 PNOZ X7P 110-120VAC 2n/o
777056 PNOZ X7P 230-240VAC 2n/o
777059 PNOZ X7P 24VAC/DC 2n/o
787053 PNOZ X7P C 110-120VAC 2n/o
787056 PNOZ X7P C 230-240VAC 2n/o
787059 PNOZ X7P C 24VAC/DC 2n/o
777764 PNOZ X8P 110VAC 3n/o 2n/c 2so
777765 PNOZ X8P 115VAC 3n/o 2n/c 2so
777766 PNOZ X8P 120VAC 3n/o 2n/c 2so
777768 PNOZ X8P 230VAC 3n/o 2n/c 2so
777760 PNOZ X8P 24 VDC 3n/o 2n/c 2so
777770 PNOZ X8P 24VAC 3n/o 2n/c 2so
787764 PNOZ X8P C 110VAC 3n/o 2n/c 2so
787765 PNOZ X8P C 115VAC 3n/o 2n/c 2so
787766 PNOZ X8P C 120VAC 3n/o 2n/c 2so
787768 PNOZ X8P C 230VAC 3n/o 2n/c 2so
787760 PNOZ X8P C 24 VDC 3n/o 2n/c 2so
787770 PNOZ X8P C 24VAC 3n/o 2n/c 2so
774605 PNOZ X9 100-120VAC 24VDC 7n/o 2n/c 2so
774606 PNOZ X9 200-230VAC 24VDC 7n/o 2n/c 2so
774608 PNOZ X9 200VAC 24VDC -774606
774609 PNOZ X9 24VAC 24VDC 7n/o 2 n/c 2so
774601 PNOZ X9 42VAC 24VDC 7n/o 2n/c 2so
777607 PNOZ X9P 12VDC 7n/o 2n/c 2so
777606 PNOZ X9P 24VDC 100-240VACDC 7no 2nc 2so
777609 PNOZ X9P 24VDC 7n/o 2n/c 2so
787606 PNOZ X9P C 24VDC 100-240VACDC 7no 2nc2so
787609 PNOZ X9P C 24VDC 7n/o 2n/c 2so
774560 PNOZ XHCV 0,7/24VDC 2N/O FIX
774600 PNOZ XM1 24VDC 4n/o 1n/c 2so
777601 PNOZ XV1P 3/24VDC 2n/o 1n/o t
777602 PNOZ XV1P 30/24VDC 2n/o 1n/o t
787601 PNOZ XV1P C 3/24VDC 2n/o 1n/o t
787602 PNOZ XV1P C 30/24VDC 2n/o 1n/o t
774504 PNOZ XV2 0.5/24VDC 2n/o 2n/o fix
774506 PNOZ XV2 10/24VDC 2n/o 2n/o fix
774505 PNOZ XV2 3/24VDC 2n/o 2n/o fix
774502 PNOZ XV2 3/24VDC 2n/o 2n/o t
774500 PNOZ XV2 30/24VDC 2n/o 2n/o t
774508 PNOZ XV2 300/24VDC 2n/o 2n/o t
774536 PNOZ XV2.1 0.5/230 Vac 24 Vdc 2n/o 2n/o f
774554 PNOZ XV2.1 0.5/24-240 VacDC 2n/o 2n/o fix
774524 PNOZ XV2.1 3/115VAC 24VDC 2n/o 2n/o t
774525 PNOZ XV2.1 3/120VAC 24VDC 2n/o 2n/o t
774546 PNOZ XV2.1 3/230 Vac/24 Vdc 2n/o 2n/o fix
774526 PNOZ XV2.1 3/230VAC 24VDC 2n/o 2n/o t
774552 PNOZ XV2.1 3/24-240VACDC 2n/o 2n/o t
774520 PNOZ XV2.1 3/24VAC 24VDC 2n/o 2n/o t
774515 PNOZ XV2.1 30/120VAC 24VDC 2n/o 2n/o t
774516 PNOZ XV2.1 30/230VAC 24VDC 2n/o 2n/o t
774550 PNOZ XV2.1 30/24-240VACDC 2n/o 2n/o t
774510 PNOZ XV2.1 30/24VAC 24VDC 2n/o 2n/o t
774558 PNOZ XV2.1 300/24-240VACDC 2n/o 2n/o t
777544 PNOZ XV2.1P 0.5/24-240 VacDC 2n/o 2n/o fix
777547 PNOZ XV2.1P 10/24-240 VacDC 2n/o 2n/o fix
777545 PNOZ XV2.1P 3/24-240 VacDC 2n/o 2n/o fix
777542 PNOZ XV2.1P 3/24-240VACDC 2n/o 2n/o t
777540 PNOZ XV2.1P 30/24-240VACDC 2n/o 2n/o t
777548 PNOZ XV2.1P 300/24-240VACDC 2n/o 2n/o t
787542 PNOZ XV2.1P C 3/24-240VACDC 2n/o 2n/o t
787540 PNOZ XV2.1P C 30/24-240VACDC 2n/o 2n/o t
787548 PNOZ XV2.1P C 300/24-240VACDC 2n/o 2n/o
777504 PNOZ XV2P 0.5/24VDC 2n/o 2n/o fix
777503 PNOZ XV2P 1/24VDC 2n/o 2n/o fix
777502 PNOZ XV2P 3/24VDC 2n/o 2n/o t
777500 PNOZ XV2P 30/24VDC 2n/o 2n/o t
787504 PNOZ XV2P C 0.5/24VDC 2n/o 2n/o fix
787503 PNOZ XV2P C 1/24VDC 2n/o 2n/o fix
787502 PNOZ XV2P C 3/24VDC 2n/o 2n/o t
787500 PNOZ XV2P C 30/24VDC 2n/o 2n/o t
774544 PNOZ XV3 0.5/24VDC 3n/o 2n/o t fix
774547 PNOZ XV3 10/24VDC 3n/o 2n/o t fix
774542 PNOZ XV3 3/24VDC 3n/o 2n/o t
774545 PNOZ XV3 3/24VDC 3n/o 2n/o t fix
774540 PNOZ XV3 30/24VDC 3n/o 2n/o t
774541 PNOZ XV3 300/24VAC 3n/o 2n/o t
774548 PNOZ XV3 300/24VDC 3n/o 2n/o t
774534 PNOZ XV3.1 0.5/24 Vdc 3n/o 1n/c 2n/o fix
774612 PNOZ XV3.1 3/24-240VACDC 3nc 2no t
774532 PNOZ XV3.1 3/24VDC 3n/o 1n/c 2n/o t
774610 PNOZ XV3.1 30/24-240VACDC 3nc 2no t
774530 PNOZ XV3.1 30/24VDC 3n/o 1n/c 2n/o t
774618 PNOZ XV3.1 300/24-240VACDC 3nc 2no t
774538 PNOZ XV3.1 300/24VDC 3n/o 1n/c 2n/o t
777532 PNOZ XV3.1P 3/24-240VACDC 3nc 2no t
777522 PNOZ XV3.1P 3/24VDC 3n/o 1n/c 2n/o t
777525 PNOZ XV3.1P 3/24VDC 3n/o 1n/c 2n/o t fix
777530 PNOZ XV3.1P 30/24-240VACDC 3nc 2no t
777520 PNOZ XV3.1P 30/24VDC 3n/o 1n/c 2n/o t
777538 PNOZ XV3.1P 300/24-240VACDC 3nc 2no
787532 PNOZ XV3.1P C 3/24-240VACDC 3nc 2no
787522 PNOZ XV3.1P C 3/24VDC 3n/o 1n/c 2n/o t
787530 PNOZ XV3.1P C 30/24-240VACDC 3nc 2no
787520 PNOZ XV3.1P C 30/24VDC 3n/o 1n/c 2n/o t
787538 PNOZ XV3.1P C300/24-240VACDC 3nc 2no
777511 PNOZ XV3.3P 30/24VDC 3n/o 2n/o t
787511 PNOZ XV3.3P C 30/24VDC 3n/o 2n/o t
777514 PNOZ XV3P 0.5/24VDC 3n/o 2n/o t fix
777517 PNOZ XV3P 10/24 Vdc 3n/o 2n/o t fix
777512 PNOZ XV3P 3/24 VDC 3n/o 2n/o t
777515 PNOZ XV3P 3/24 Vdc 3n/o 2n/o t fix
777510 PNOZ XV3P 30/24 VDC 3n/o 2n/o t
777518 PNOZ XV3P 300/24VDC 3n/o 2n/o t
787512 PNOZ XV3P C 3/24 VDC 3n/o 2n/o t
787510 PNOZ XV3P C 30/24 VDC 3n/o 2n/o t
787518 PNOZ XV3P C 300/24VDC 3n/o 2n/o t
773050 PNOZmulti Systemhandbuch D
779110 PNOZmulti Bus-Terminator
779112 PNOZmulti Bus-Terminator coated
779211 PNOZmulti Chipcard 1 piece 32kB
779201 PNOZmulti Chipcard 1 piece 8kB
779240 PNOZmulti Chipcard Holder (Sparepart)
779200 PNOZmulti Chipcard Set 10 pieces 8kB
779212 PNOZmulti Chipcard Set 10 pieces 32kB
779250 PNOZmulti Seal 10 pieces
779000 PNOZmulti Tool-Kit
779120 PNOZpower Bus-Terminator
774578 PPS 100-240VAC / 24VDC
720308 PST 4 110 V AC 6S4?
720309 PST 4 230 V AC 6S4?
720301 PST 4 24 V AC 6S4?
720300 PST 4 24 V DC 6S4?
720310 PST 4 240VAC 6S 4?
720303 PST 4 42 V AC 6S4?
777951 PSWZ X1P 0,0075-0,5V/24-240VACDC
777949 PSWZ X1P 0,5V /24-240VACDC 2N/O 1N/C 2SO
777950 PSWZ X1P 3V /24-240VACDC 2n/o 1n/c 2so
787951 PSWZ X1P C 0,0075-0,5V/24-240VACDC
787949 PSWZ X1P C 0,5V/24-240VACDC 2N/O 1N/C2SO
787950 PSWZ X1P C 3V/24-240VACDC 2n/o 1n/c2so
775505 PU3Z 120-240VAC 3n/o 1n/c 6so
775510 PU3Z 24VDC 3n/o 1n/c 6so
774038 PZA 3/230VAC 1n/o 2n/c
774041 PZA 3/24VDC 1n/o 2n/c
774035 PZA 30/110-120VAC 1n/o 2n/c
774040 PZA 30/230VAC 1n/o 2 n/c
774031 PZA 30/24VAC 1n/o 2n/c
774030 PZA 30/24VDC 1n/o 2n/c
774023 PZA 300/110-120VAC 1n/o 2n/c
774026 PZA 300/230VAC 1n/o 2n/c
774020 PZA 300/24VAC 1n/o 2n/c
774029 PZA 300/24VDC 1n/o 2n/c
774021 PZA 300/42VAC 1n/o 2n/c
774028 PZA 600/24VDC 1n/o 2n/c
774143 PZE 9 110-120VAC 8n/o 1n/c
774144 PZE 9 120 Vac 8n/o 1n/c
774148 PZE 9 230-240VAC 8n/o 1n/c
774140 PZE 9 24VAC 8n/o 1n/c
774150 PZE 9 24VDC 8n/o 1n/c