西门子 A5E02625805-H2
PLC的故障现象与查找处理
1、故障现象:PLC停止在某些输出被激励的地方(通常是处于中间状态)。查找与处理:查找引起下一步操作发生的信号(输入、定时器、线川、鼓轮控制器等),将编程器置于显示那个信号的ON/OFF状态。
2、故障现象:输入信号后编程器显示的状态与输入模块的LED指示结果不一致。查找与处理:更换输入模块;若发现在扩展架上有多个模块需更换则在更换前,应先检查I/O扩展电缆和她的连接情况。
3、故障现象:输入状态与输入模块的LED指示一致,而比较发光二极管与输入装置(按钮、限位开关等)的状态二者不同。查找与处理:测量一下输入模块,若发现问题则更换I/O装置、现场接线或电源;否则,要更换输入模块。
4、故障现象:信号是线川,而没有输出或输出与线川的状态不同。查找与处理:用编程器检查输出的驱动逻辑并检查程序清单。检查应按从左到右进行,找出个不接通的触点,没有通的那个若是输入则检查该输入点。***确认使主控继电器不影响逻辑操作。
5、故障现象:信号是定时器且停在小于999.9的非零值上。查找与处理:更换CPU模块。
6、故障现象:该信号控制在一个计数器。查找与处理:检查控制复位的逻辑,然后是计数器信号。
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Westinghouse Size 0?Relay
Westinghouse Thermal?Overload Relay
Westinghouse Thermal?Overload Relay
Westinghouse Size 1?Relay
Allen Bradley Starter
Allen Bradley Size 0
Badger Single Phase?Transformer
Badger Single Phase?Transformer
Badger Single Phase?Transformer
Cutler-Hammer NEMA Size 1 Starter
Cutler-Hammer Double?Starter w/ OverloadRelay
Square D Industrial?Control Relay
Square D Industrial?Control Relay w/ Latching Relay
Square D Industrial?Control Relay
Square D NEMA Size 0
Square D Contactor
Westinghouse Size 2?Relay
Westinghouse Size 1?Relay
Westinhouse Size 1 Relay
Westinghouse Size 2?Relay
Allen Bradley Card SPK#:117483
Allen Bradley Connected Starters
Allen Bradley Double?Relay
Allen Bradley 505-COD
Allen Bradley Size 3
Allen Bradley 705 Double Starter
Fanuc Transformer
General Electric Circuit Breaker
General Electric Circuit Breaker
General Electric Industrial Control Transformer
Fanuc Pulse Generator
Westinghouse Circuit?Breaker (125 Amp)
Westinghouse Circuit?Breaker (100 Amp)
Westinghouse Size 1?Relay
Danfoss Variable Speed Drive
Danfoss Variable Speed Drive
Dafoss Variable Speed Drive
Allen Bradley Card SPK#: 110996
Allen Bradley Card SPK#: 110996
Allen Bradley Card SPK#: 110996
Giddings & Lewis MPX?Triac 502-02824-00?Card
Giddings & Lewis MPX?Triac 502-02824-00?Card
Giddings & Lewis MPX?Triac 502-02824-00?Card
General Electric GE?1050 AXIS2G 44A399739-G01 Board
General Electric GE?1050 IO128A 44A297024-G01 Board
General Electric GE?1050 SINT3A 44A297027-G01 Board
Giddings & Lewis 800?Logic I/O an AnalogInterface Diagnostic Board 502-02796-01
Giddings And Lewis 800 Pulse Producer Board 502-02258-00
Giddings & Lewis 800?EIA Interface and Servo Interface Diagnostic 502-02844-01
Giddings & Lewis 800?Diode Board 502-02769-00
Giddings & Lewis 800?Diode Board 502-02769-00
Giddings and Lewis Digital I/O 502-03064-00 Board
Giddings and Lewis Digital I/O 502-03064-00 Board
Giddings and Lewis Digitizing Interface
Giddings and Lewis Digitizing Interface
Giddings and Lewis CMOS Memory Board
Giddings and Lewis ALU Board
Giddings and Lewis ALU Board
Giddings and Lewis CPU Control Board
Giddings and Lewis CPU Control Board
Giddings and Lewis Universal CRT Interface Board
Giddings and Lewis Address Generator Board
Giddings and Lewis Universal CRT Interface
Giddings and Lewis Analog Interface
Giddings and Lewis Console Interface
Giddings and Lewis CPU Control
Giddings and Lewis Memory Interface NO.?2
Giddings and Lewis Digitizing Interface
Giddings and Lewis Analog Interface
Allen Bradley 16 Slot I/O Chassis
Siemens Single Motor?Module; 30.00A
Giddings and Lewis Communication Board
Giddings and Lewis Communication Board
Giddings and Lewis Communication Board
General Electric GE?ROPS1B 44A397899-G01Board
Bandit Processor Board
Bandit POP/INTLK Board
Fanuc MDI CRT Unit
Giddings and Lewis A/D and Fast Input
Giddings and Lewis Communication Board
Giddings and Lewis A/D and Fast Input
Giddings and Lewis DC Output Board
Giddings and Lewis Servo Board
Giddings and Lewis Servo Board
Fanuc Servo Velocity?Control Unit
Bendix IP Memory 16K?Board 3732339
Bendix Monitor/ Memory Power Regulator 3733836
Bendix S5M Microface?Board 17-33100-2
Bendix S5M Microface?Board 17-33100-2
Bendix S5M Microface?Board 17-33100-2
Bendix S5M Interface?Board 17-33100