IFM易福門故障安全式電感式接近開關
- 型 號(hao):
- 價(jia) 格:88
IFM易福門故障安全式電感式接近開關IFM易福門接近開關怎么分辨PNP還是NPN:P表(biao)示(shi)正、N表(biao)示(shi)負(fu)。PNP表(biao)示(shi)平時(shi)(shi)為(wei)高電(dian)位(wei),信(xin)號(hao)到來(lai)時(shi)(shi)信(xin)號(hao)為(wei)負(fu)。NPN表(biao)示(shi)平時(shi)(shi)為(wei)低電(dian)位(wei),信(xin)號(hao)到來(lai)時(shi)(shi)信(xin)號(hao)為(wei)高電(dian)位(wei)輸(shu)出.接(jie)近開(kai)關和(he)光電(dian)開(kai)關只是(shi)檢測電(dian)路不同輸(shu)出相同。至(zhi)于(yu)PLC接(jie)線,一般用NPN的較多。
IFM易福門故障安全式電感式接近開關
IFM易福門接近開關(guan)怎么(me)分辨PNP還(huan)是NPN:
P表(biao)示(shi)正(zheng)(zheng)、N表(biao)示(shi)負。PNP表(biao)示(shi)平時為(wei)高(gao)電(dian)(dian)(dian)位,信(xin)(xin)號(hao)到(dao)來時信(xin)(xin)號(hao)為(wei)負。NPN表(biao)示(shi)平時為(wei)低(di)電(dian)(dian)(dian)位,信(xin)(xin)號(hao)到(dao)來時信(xin)(xin)號(hao)為(wei)高(gao)電(dian)(dian)(dian)位輸(shu)(shu)出(chu)(chu).接近開(kai)關(guan)和(he)(he)光(guang)電(dian)(dian)(dian)開(kai)關(guan)只是(shi)檢測電(dian)(dian)(dian)路不同(tong)輸(shu)(shu)出(chu)(chu)相同(tong)。至于PLC接線,一般用(yong)(yong)NPN的(de)(de)(de)(de)較多(duo)(duo)。但多(duo)(duo)數的(de)(de)(de)(de)日本(ben)的(de)(de)(de)(de)PLC有(you)日本(ben)型(xing)、世界(jie)型(xing)、和(he)(he)通(tong)用(yong)(yong)型(xing)。進入(ru)中國的(de)(de)(de)(de)多(duo)(duo)數為(wei)世界(jie)型(xing)和(he)(he)通(tong)用(yong)(yong)型(xing)。可直(zhi)接用(yong)(yong)NPN型(xing)。接近開(kai)關(guan)和(he)(he)光(guang)電(dian)(dian)(dian)開(kai)關(guan)的(de)(de)(de)(de)電(dian)(dian)(dian)源正(zheng)(zheng)端接電(dian)(dian)(dian)源正(zheng)(zheng)、負接公(gong)共端、輸(shu)(shu)出(chu)(chu)接PLC的(de)(de)(de)(de)輸(shu)(shu)入(ru)端。 PLC的(de)(de)(de)(de)輸(shu)(shu)入(ru)類型(xing)是(shi)分漏式和(he)(he)源式的(de)(de)(de)(de),前者指(zhi)的(de)(de)(de)(de)是(shi)正(zheng)(zheng)信(xin)(xin)號(hao)輸(shu)(shu)入(ru)(可直(zhi)接用(yong)(yong)PNP),后(hou)(hou)者指(zhi)的(de)(de)(de)(de)是(shi)負信(xin)(xin)號(hao)輸(shu)(shu)入(ru)(可直(zhi)接用(yong)(yong)NPN),否(fou)則必須用(yong)(yong)繼電(dian)(dian)(dian)器轉換后(hou)(hou)輸(shu)(shu)入(ru)。
傳感(gan)器(qi)的型(xing)式不一而足,不過(guo)一般(ban)用得多的是兩線(xian)跟三(san)線(xian)的,兩線(xian)的跟負(fu)載串(chuan)聯。三(san)線(xian)的多為(wei)開(kai)集(ji)極(ji)(ji)輸(shu)(shu)出,三(san)根(gen)線(xian)分別為(wei)正負(fu)電(dian)(dian)源和輸(shu)(shu)出晶體(ti)管的集(ji)電(dian)(dian)極(ji)(ji)。傳感(gan)器(qi)的NPN和PNP是根(gen)據輸(shu)(shu)出晶體(ti)管的型(xing)號(hao)來(lai)的。NPN的負(fu)載是接(jie)在正電(dian)(dian)源與集(ji)電(dian)(dian)極(ji)(ji)之間,而PNP是接(jie)在集(ji)電(dian)(dian)極(ji)(ji)與負(fu)電(dian)(dian)源之間的。要(yao)(yao)用萬用表來(lai)判斷傳感(gan)器(qi)的型(xing)號(hao),需要(yao)(yao)先給它(ta)(ta)一個負(fu)載,再根(gen)據它(ta)(ta)的輸(shu)(shu)出電(dian)(dian)壓來(lai)判斷。
- 機電(dian)控制(zhi)設備獲 EN 60947-5-3 認證
- 確保操作員和(he)機器的安全(quan)
- 電子自動防(fang)故障傳感器(qi)無需特別執行器(qi)
- 將傳感(gan)器與(yu)安全 PLC 或(huo)安全 AS-i 模塊連接
- 可將傳(chuan)感器和觸點(dian)串聯
- PNP與NPN型(xing)傳(chuan)感器(開關型(xing))分為六類:
1、NPN-NO(常開型(xing))
2、NPN-NC(常閉型)
3、NPN-NC+NO(常(chang)開(kai)、常(chang)閉(bi)共有型)
4、PNP-NO(常(chang)開型)
5、PNP-NC(常閉型)
6、PNP-NC+NO(常(chang)開、常(chang)閉(bi)共(gong)有型)
IFM易福門故障安全式電感式接近開關?