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详细内容:1761-NET-DNI 如何查找PLC数字量信号的故障 1、检查PLC供电电源、控制电源。 2、根据故障现象和中控室提供的故障信息综合分析,重点检查该设备启停条件和软、硬连锁条件是否已经此伏具备。 3、检查PLC控制柜内元件的触点、接点等接触是否完好,逻辑控制回路是否完好,接线有无松动。 4、控制站内的I/O端子线有无松动,控制信号能否发出,信号保险有无熔断。 5、对压力、温度或流量开关,要核实现场真实数值是否已达到动作要求。 6、对现场智能设备或仪表,检查故障、报警信息臁各项参数设置的正确性。 7、检查现场设备的故障来源,如属信号指令有误,势必导致保护装置的动作异常。 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
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