詳細(xì)內(nèi)容：1761-NET-DNI 如何查找PLC數(shù)字量信號(hào)的故障 1、檢查PLC供電電源、控制電源。 2、根據(jù)故障現(xiàn)象和中控室提供的故障信息綜合分析，重點(diǎn)檢查該設(shè)備啟停條件和軟、硬連鎖條件是否已經(jīng)此伏具備。 3、檢查PLC控制柜內(nèi)元件的觸點(diǎn)、接點(diǎn)等接觸是否完好，邏輯控制回路是否完好，接線有無松動(dòng)。 4、控制站內(nèi)的Ｉ/Ｏ端子線有無松動(dòng)，控制信號(hào)能否發(fā)出，信號(hào)保險(xiǎn)有無熔斷。 5、對(duì)壓力、溫度或流量開關(guān)，要核實(shí)現(xiàn)場真實(shí)數(shù)值是否已達(dá)到動(dòng)作要求。 6、對(duì)現(xiàn)場智能設(shè)備或儀表，檢查故障、報(bào)警信息臁各項(xiàng)參數(shù)設(shè)置的正確性。 7、檢查現(xiàn)場設(shè)備的故障來源，如屬信號(hào)指令有誤，勢必導(dǎo)致保護(hù)裝置的動(dòng)作異常。 MATROX XPRO Y7116-04 OP413G1GSFL/03 63039621980 W/ PMC/ODYSSEY_CL Y 7027_0101 C Matrox Meteor II 752-02 REV A METEOR2-DIG/4/​L M082360 Matrox Solios eA/XA SOLM4AE SOL6M4AE PCIe Frame Grabber Matrox HELIOS eCL ODYSSEY FRAME GRABBER Y7249 Rev A Matrox MXO2 Mini with MAX for PC - Laptop Matrox MXO2 MINI with MAX Technology for MAC - Laptop Matrox MXO2 MINI with MAX Technology for MAC - Desktop Matrox MXO2 Mini with MAX for PC (Laptop) Matrox MXO2 MINI with MAX Technology for MAC (Laptop) Matrox MXO2 MINI with MAX Technology for MAC (Desktop) Matrox Genesis GEN/X/00/8/DAC 720-01 + Grab Mod. 762-03 Frame Grabber Processor NEW IN BOX MATROX GPG4N/500/256/​2 BOARD MATROX GPG4N5002562 USPP GPG4N5002562 Matrox Solios eA SOL6M4AE* Y7247-0101 PCIe Frame Grabber Guaranteed MATROX ODYSSEY XPRO Y7116-04 A OP413G1G/U 63039621714 30 DAY WARRANTY MATROX ODYSSEY XPRO Y7116-04 REV A OP413G1G 63039621427 30 DAY WARRANTY Matrox MXO2 MiniMAX/D HDMI/Analog Video Audio I/O H.264 FREE SHIPPING USA & CANADA - WE SHIP WITHIN 24 HOURS Enlarge Matrox MXO2 MiniMAX/L HDMI/Analog Video Audio I/O H.264 FREE SHIPPING USA & CANADA - WE SHIP WITHIN 24 HOURS Enlarge Matrox 159-C06-06 Circuit Board NEW Matrox METEOR2-MC/4 NEW Factory Sealed Matrox Vio Analog HD/SD VIO7IA0A* Y7231-03 Frame Grabber and adapter Matrox 15350-00050 MFG P/N 15350-00050 MATROX 4SIGHT II IMAGING F256C7F6HE000A MATROX HELIOS XCL/ODYSSEY XCL7108-03 REV A FRAME GRABBE Matrox MET2-MC-C/6U Matrox Axio SD XlnkSDI Breakout Box HD & SD Editing Expedited shipping available Matrox Genesis LC GEN/X/00/8/STD 568-0101 WARRANTY 1997 PCB, Matrox Video, LAM P/N 810-001984-002 Matrox G2+/MSDP/8B/20 844-00 REV A with 60 day warranty Matrox G4+MDH4A32G REV 405 MT02080 with 60 day warranty Matrox GS/RRUPG/N 763-04 REV A with 60 day warranty Matrox IM-CLD/AT/N REV 01 IM-CLD/AT 377-O101 REV A Matrox PIP-512B 239-06-02 PIP-Base 238-06-05 w/warranty