GE燃機(jī)渦輪控制IS200VTURH1BAC GE燃機(jī)渦輪控制IS200VTURH1BAC
對(duì)于PLC輸出點(diǎn)(這里僅談繼電器輸出型),若動(dòng)作對(duì)象所對(duì)應(yīng)的指示燈不亮,在確定PL C在運(yùn)行狀態(tài)下,那么說(shuō)明此動(dòng)作對(duì)象的PLC輸入輸出邏輯功能沒(méi)有滿(mǎn)足,也就是說(shuō)輸入回路 出故障,按前面講的,檢查輸入回路。若所對(duì)應(yīng)的指示燈亮,但所對(duì)應(yīng)的執(zhí)行元件如電磁閥 、接觸器不動(dòng)作,先查電磁閥控制電源及保險(xiǎn)器,用電筆去量所對(duì)應(yīng)PLC輸 出點(diǎn)的公共端子。電筆不亮,可能對(duì)應(yīng)保險(xiǎn)絲熔斷等電源故障。電筆亮,說(shuō)明電源是好的, 所對(duì)應(yīng)的電磁閥、接觸器、線路出故障。排除電磁閥、接觸器、線路等故障后,仍不正常, 就利用萬(wàn)用表一只表筆,一頭接對(duì)應(yīng)的輸出公共端子,另一頭接觸所對(duì)應(yīng)的PLC輸出點(diǎn),這 時(shí)電磁閥等仍不動(dòng)作,說(shuō)明輸出線路出故障。如果這時(shí)電磁閥動(dòng)作,那么問(wèn)題在PLC輸出點(diǎn) 上。由于電筆有時(shí)會(huì)虛報(bào),可用另一種方法分析,用萬(wàn)用表電壓檔量PLC輸出點(diǎn)與公共端的 電壓,電壓為零或接近零,說(shuō)明PLC輸出點(diǎn)正常,故障點(diǎn)在外圍。若電壓較高,說(shuō)明此觸點(diǎn) 接觸電阻太大,已損壞。另外,當(dāng)指示燈不亮,但對(duì)應(yīng)的電磁閥、接觸器等動(dòng)作,這可能此 輸出點(diǎn)因過(guò)載或短路燒牢。這時(shí)應(yīng)把此輸出點(diǎn)的外接線拆下來(lái),再用萬(wàn)用表電阻檔去量輸出 點(diǎn)與公共端的電阻,若電阻較小,說(shuō)明此觸點(diǎn)已壞,若電阻無(wú)窮大,說(shuō)明此觸點(diǎn)是好的,應(yīng) 是所對(duì)應(yīng)的輸出指示燈已壞。
KEB 13.F5.MDD-Y0P0
Rexroth 0532VAW20/3/FPM/140/D/Z/00
SEW EURODRIVE Movitrac 1130-403-4-00
VEGA SON74-1 SON74-1.XMDL1X 898410/001
SEW Eurodrive MFI33F/Z16F/AF0
Italweber Elettra OCM064080M918
KEB 09.F4.C1D-4M00
NUMATICS L50LG12
Sick MSL MSLE03-1401
NEUES ANGEBOT?Sick MSL MSLE03-14011
ANGEBOT?Sick 30-FGS FGSE1200-21
Cooper Power Tools STM 34 960.901
Cooper Power Tools TM 34 960.901
Cooper Power Tools TMH 960.902
GEMü Ventil 690 40D 7114-1
Telemecanique Schneider LC1 F 225
SITEMA Absturzsicherung KR 025 16 / KRP/T 25
VSE VS 004 GPO12