AEA4D-05橫河 AEA4D-05橫河
故障檢測:plc本身有很完善的自診斷功能,但在工程實踐中,plc的i/o元件如限位開關(guān)、電磁閥、接觸器等的故障率遠遠高于plc的本身故障率,這些元件出現(xiàn)故障后,plc一般不會察覺出來,不會立即停機,這會導致多個故障相繼發(fā)生,嚴重時會造成人身設(shè)備事故,停機后查找故障也要花費大量時間[4]。為方便檢測故障可用梯形圖程序?qū)崿F(xiàn),這里介紹一種邏輯組合判斷法:系統(tǒng)正常運行時,plc的輸入和輸出信號之間存在著確定的關(guān)系,因此根據(jù)輸出信號的狀態(tài)與控制過程間的邏輯關(guān)系來判斷設(shè)備運行是否正常。
武漢路易達自動化設(shè)備有限公司
:李
:
:
:
地址:武漢市東西湖區(qū)走馬嶺匯通公路港信息交易中心3-035
HE697RTM701
HE697THM160
HE697THM260
HE700GEN100
HE700GEN200
6FC5210-0DF24-0AA0
6FC5210-0DF24-2AA0
6FC5210-0DF25-2AA0
6FC5210-0DF31-2AA0
6FC5210-0DF31-2AB0
6FC5210-0DF33-2AA0
6FC5210-0DF33-2AB0
6FC5220-0AA22-2AA0
6FC5247-0AA06-0AA1
6FC5247-0AA17-0AA1
6FC5247-0AA21-0AA0
6FC5247-0AA30-0AA0
6FC5247-0AA36-0AA1
6FC5247-0AF08-0AA0
6FC5247-0AF08-0AA1
6FC5247-0AF08-2AA0
6FC5247-0AF08-4AA0
6FC5247-0AF12-1AA0
6FC5247-0AF13-1AA0
6FC5253-6BX10-2AF0
6FC5253-6BX10-4AF0
6FC5303-0AF22-0AA1
6FC5503-0AY03-0AA0
6FC5503-0AY04-0AA0
6FC5611-0CA01-0AA0
6FC5611-0CA01-0AA1
6FC9301-0AE20
6FX2006-1BC01
6FX2006-1BH01
6FX2007-1AC01
6FX2007-1AC03
6FX2007-1AC04
IMFAI01
IMFBS01
IMFCS01
IMFEC11
IMFEC12
IMHSS02
IMHSS03
IMMFC03
IMMFC04
IMMFC05
IMMFP01
IMMFP02
IMMFP03
IMMFP03B
IMMFP11
IMMFP12
IMMPI01
IMMPI02
IMPCC01
IMQRS02
IMQRS22
IMRIO02
IMSED01
IMSET01
IMSPM01
INBIM02
INBTM01
INDDM01
INICT01
INICT03
INICT03A
INICT12
INICT13A
INIIT01
INIIT02
INIIT03
INIIT12
INIIT13
INIPT01
INIPT02
INLIM03
INNIS01